On Wed, 2010-10-06 at 20:37 +0800, Wu, Fengguang wrote: > [add CC to Alex: he is now in charge of kernel performance tests] > I got the code from git://git.kernel.org/pub/scm/linux/kernel/git/christoph/slab.git unified on branch "origin/unified" and do a patch base on 36-rc7 kernel. Then I tested the patch on our 2P/4P core2 machines and 2P NHM, 2P WSM machines. Most of benchmark have no clear improvement or regression. The testing benchmarks is listed here. http://kernel-perf.sourceforge.net/about_tests.php But the following results worth to care: 1, netperf loopback testing has a little improvement. 2, hackbench process testing has about 10% regression on both Core2 machine 3, fio testing has about 10~20% regression on mmap rand read testing. on our raw mode JBOD that attached on NHM and WSM machine. The JBOD use We use "numactl --interleave all " to do fio testing. one of testing file as below: ============= [global] direct=0 ioengine=mmap size=8G bs=4k numjobs=1 loops=5 runtime=600 group_reporting invalidate=0 directory=/mnt/stp/fiodata file_service_type=random:36 [job_sdb1_sub0] startdelay=0 rw=randread filename=data0/f1:data0/f2:data0/f3:data0/f4:data0/f5:data0/f6:data0/f7:data0/f8 [job_sdb1_sub1] startdelay=0 rw=randread filename=data0/f2:data0/f3:data0/f4:data0/f5:data0/f6:data0/f7:data0/f8:data0/f1 [job_sdb1_sub2] startdelay=0 rw=randread filename=data0/f3:data0/f4:data0/f5:data0/f6:data0/f7:data0/f8:data0/f1:data0/f2 [job_sdb1_sub3] startdelay=0 rw=randread filename=data0/f4:data0/f5:data0/f6:data0/f7:data0/f8:data0/f1:data0/f2:data0/f3 [job_sdb1_sub4] startdelay=0 rw=randread filename=data0/f5:data0/f6:data0/f7:data0/f8:data0/f1:data0/f2:data0/f3:data0/f4 [job_sdb1_sub5] startdelay=0 rw=randread filename=data0/f6:data0/f7:data0/f8:data0/f1:data0/f2:data0/f3:data0/f4:data0/f5 [job_sdb1_sub6] startdelay=0 rw=randread filename=data0/f7:data0/f8:data0/f1:data0/f2:data0/f3:data0/f4:data0/f5:data0/f6 [job_sdb1_sub7] startdelay=0 rw=randread filename=data0/f8:data0/f1:data0/f2:data0/f3:data0/f4:data0/f5:data0/f6:data0/f7 [job_sdb2_sub0] startdelay=0 rw=randread filename=data1/f1:data1/f2:data1/f3:data1/f4:data1/f5:data1/f6:data1/f7:data1/f8 [job_sdb2_sub1] startdelay=0 rw=randread filename=data1/f2:data1/f3:data1/f4:data1/f5:data1/f6:data1/f7:data1/f8:data1/f1 [job_sdb2_sub2] startdelay=0 rw=randread filename=data1/f3:data1/f4:data1/f5:data1/f6:data1/f7:data1/f8:data1/f1:data1/f2 [job_sdb2_sub3] startdelay=0 rw=randread filename=data1/f4:data1/f5:data1/f6:data1/f7:data1/f8:data1/f1:data1/f2:data1/f3 [job_sdb2_sub4] startdelay=0 rw=randread filename=data1/f5:data1/f6:data1/f7:data1/f8:data1/f1:data1/f2:data1/f3:data1/f4 [job_sdb2_sub5] startdelay=0 rw=randread filename=data1/f6:data1/f7:data1/f8:data1/f1:data1/f2:data1/f3:data1/f4:data1/f5 [job_sdb2_sub6] startdelay=0 rw=randread filename=data1/f7:data1/f8:data1/f1:data1/f2:data1/f3:data1/f4:data1/f5:data1/f6 [job_sdb2_sub7] startdelay=0 rw=randread filename=data1/f8:data1/f1:data1/f2:data1/f3:data1/f4:data1/f5:data1/f6:data1/f7 [job_sdc1_sub0] startdelay=0 rw=randread filename=data2/f1:data2/f2:data2/f3:data2/f4:data2/f5:data2/f6:data2/f7:data2/f8 [job_sdc1_sub1] startdelay=0 rw=randread filename=data2/f2:data2/f3:data2/f4:data2/f5:data2/f6:data2/f7:data2/f8:data2/f1 [job_sdc1_sub2] startdelay=0 rw=randread filename=data2/f3:data2/f4:data2/f5:data2/f6:data2/f7:data2/f8:data2/f1:data2/f2 [job_sdc1_sub3] startdelay=0 rw=randread filename=data2/f4:data2/f5:data2/f6:data2/f7:data2/f8:data2/f1:data2/f2:data2/f3 [job_sdc1_sub4] startdelay=0 rw=randread filename=data2/f5:data2/f6:data2/f7:data2/f8:data2/f1:data2/f2:data2/f3:data2/f4 [job_sdc1_sub5] startdelay=0 rw=randread filename=data2/f6:data2/f7:data2/f8:data2/f1:data2/f2:data2/f3:data2/f4:data2/f5 [job_sdc1_sub6] startdelay=0 rw=randread filename=data2/f7:data2/f8:data2/f1:data2/f2:data2/f3:data2/f4:data2/f5:data2/f6 [job_sdc1_sub7] startdelay=0 rw=randread filename=data2/f8:data2/f1:data2/f2:data2/f3:data2/f4:data2/f5:data2/f6:data2/f7 [job_sdc2_sub0] startdelay=0 rw=randread filename=data3/f1:data3/f2:data3/f3:data3/f4:data3/f5:data3/f6:data3/f7:data3/f8 [job_sdc2_sub1] startdelay=0 rw=randread filename=data3/f2:data3/f3:data3/f4:data3/f5:data3/f6:data3/f7:data3/f8:data3/f1 [job_sdc2_sub2] startdelay=0 rw=randread filename=data3/f3:data3/f4:data3/f5:data3/f6:data3/f7:data3/f8:data3/f1:data3/f2 [job_sdc2_sub3] startdelay=0 rw=randread filename=data3/f4:data3/f5:data3/f6:data3/f7:data3/f8:data3/f1:data3/f2:data3/f3 [job_sdc2_sub4] startdelay=0 rw=randread filename=data3/f5:data3/f6:data3/f7:data3/f8:data3/f1:data3/f2:data3/f3:data3/f4 [job_sdc2_sub5] startdelay=0 rw=randread filename=data3/f6:data3/f7:data3/f8:data3/f1:data3/f2:data3/f3:data3/f4:data3/f5 [job_sdc2_sub6] startdelay=0 rw=randread filename=data3/f7:data3/f8:data3/f1:data3/f2:data3/f3:data3/f4:data3/f5:data3/f6 [job_sdc2_sub7] startdelay=0 rw=randread filename=data3/f8:data3/f1:data3/f2:data3/f3:data3/f4:data3/f5:data3/f6:data3/f7 [job_sdd1_sub0] startdelay=0 rw=randread filename=data4/f1:data4/f2:data4/f3:data4/f4:data4/f5:data4/f6:data4/f7:data4/f8 [job_sdd1_sub1] startdelay=0 rw=randread filename=data4/f2:data4/f3:data4/f4:data4/f5:data4/f6:data4/f7:data4/f8:data4/f1 [job_sdd1_sub2] startdelay=0 rw=randread filename=data4/f3:data4/f4:data4/f5:data4/f6:data4/f7:data4/f8:data4/f1:data4/f2 [job_sdd1_sub3] startdelay=0 rw=randread filename=data4/f4:data4/f5:data4/f6:data4/f7:data4/f8:data4/f1:data4/f2:data4/f3 [job_sdd1_sub4] startdelay=0 rw=randread filename=data4/f5:data4/f6:data4/f7:data4/f8:data4/f1:data4/f2:data4/f3:data4/f4 [job_sdd1_sub5] startdelay=0 rw=randread filename=data4/f6:data4/f7:data4/f8:data4/f1:data4/f2:data4/f3:data4/f4:data4/f5 [job_sdd1_sub6] startdelay=0 rw=randread filename=data4/f7:data4/f8:data4/f1:data4/f2:data4/f3:data4/f4:data4/f5:data4/f6 [job_sdd1_sub7] startdelay=0 rw=randread filename=data4/f8:data4/f1:data4/f2:data4/f3:data4/f4:data4/f5:data4/f6:data4/f7 [job_sdd2_sub0] startdelay=0 rw=randread filename=data5/f1:data5/f2:data5/f3:data5/f4:data5/f5:data5/f6:data5/f7:data5/f8 [job_sdd2_sub1] startdelay=0 rw=randread filename=data5/f2:data5/f3:data5/f4:data5/f5:data5/f6:data5/f7:data5/f8:data5/f1 [job_sdd2_sub2] startdelay=0 rw=randread filename=data5/f3:data5/f4:data5/f5:data5/f6:data5/f7:data5/f8:data5/f1:data5/f2 [job_sdd2_sub3] startdelay=0 rw=randread filename=data5/f4:data5/f5:data5/f6:data5/f7:data5/f8:data5/f1:data5/f2:data5/f3 [job_sdd2_sub4] startdelay=0 rw=randread filename=data5/f5:data5/f6:data5/f7:data5/f8:data5/f1:data5/f2:data5/f3:data5/f4 [job_sdd2_sub5] startdelay=0 rw=randread filename=data5/f6:data5/f7:data5/f8:data5/f1:data5/f2:data5/f3:data5/f4:data5/f5 [job_sdd2_sub6] startdelay=0 rw=randread filename=data5/f7:data5/f8:data5/f1:data5/f2:data5/f3:data5/f4:data5/f5:data5/f6 [job_sdd2_sub7] startdelay=0 rw=randread filename=data5/f8:data5/f1:data5/f2:data5/f3:data5/f4:data5/f5:data5/f6:data5/f7 [job_sde1_sub0] startdelay=0 rw=randread filename=data6/f1:data6/f2:data6/f3:data6/f4:data6/f5:data6/f6:data6/f7:data6/f8 [job_sde1_sub1] startdelay=0 rw=randread filename=data6/f2:data6/f3:data6/f4:data6/f5:data6/f6:data6/f7:data6/f8:data6/f1 [job_sde1_sub2] startdelay=0 rw=randread filename=data6/f3:data6/f4:data6/f5:data6/f6:data6/f7:data6/f8:data6/f1:data6/f2 [job_sde1_sub3] startdelay=0 rw=randread filename=data6/f4:data6/f5:data6/f6:data6/f7:data6/f8:data6/f1:data6/f2:data6/f3 [job_sde1_sub4] startdelay=0 rw=randread filename=data6/f5:data6/f6:data6/f7:data6/f8:data6/f1:data6/f2:data6/f3:data6/f4 [job_sde1_sub5] startdelay=0 rw=randread filename=data6/f6:data6/f7:data6/f8:data6/f1:data6/f2:data6/f3:data6/f4:data6/f5 [job_sde1_sub6] startdelay=0 rw=randread filename=data6/f7:data6/f8:data6/f1:data6/f2:data6/f3:data6/f4:data6/f5:data6/f6 [job_sde1_sub7] startdelay=0 rw=randread filename=data6/f8:data6/f1:data6/f2:data6/f3:data6/f4:data6/f5:data6/f6:data6/f7 [job_sde2_sub0] startdelay=0 rw=randread filename=data7/f1:data7/f2:data7/f3:data7/f4:data7/f5:data7/f6:data7/f7:data7/f8 [job_sde2_sub1] startdelay=0 rw=randread filename=data7/f2:data7/f3:data7/f4:data7/f5:data7/f6:data7/f7:data7/f8:data7/f1 [job_sde2_sub2] startdelay=0 rw=randread filename=data7/f3:data7/f4:data7/f5:data7/f6:data7/f7:data7/f8:data7/f1:data7/f2 [job_sde2_sub3] startdelay=0 rw=randread filename=data7/f4:data7/f5:data7/f6:data7/f7:data7/f8:data7/f1:data7/f2:data7/f3 [job_sde2_sub4] startdelay=0 rw=randread filename=data7/f5:data7/f6:data7/f7:data7/f8:data7/f1:data7/f2:data7/f3:data7/f4 [job_sde2_sub5] startdelay=0 rw=randread filename=data7/f6:data7/f7:data7/f8:data7/f1:data7/f2:data7/f3:data7/f4:data7/f5 [job_sde2_sub6] startdelay=0 rw=randread filename=data7/f7:data7/f8:data7/f1:data7/f2:data7/f3:data7/f4:data7/f5:data7/f6 [job_sde2_sub7] startdelay=0 rw=randread filename=data7/f8:data7/f1:data7/f2:data7/f3:data7/f4:data7/f5:data7/f6:data7/f7 [job_sdf1_sub0] startdelay=0 rw=randread filename=data8/f1:data8/f2:data8/f3:data8/f4:data8/f5:data8/f6:data8/f7:data8/f8 [job_sdf1_sub1] startdelay=0 rw=randread filename=data8/f2:data8/f3:data8/f4:data8/f5:data8/f6:data8/f7:data8/f8:data8/f1 [job_sdf1_sub2] startdelay=0 rw=randread filename=data8/f3:data8/f4:data8/f5:data8/f6:data8/f7:data8/f8:data8/f1:data8/f2 [job_sdf1_sub3] startdelay=0 rw=randread filename=data8/f4:data8/f5:data8/f6:data8/f7:data8/f8:data8/f1:data8/f2:data8/f3 [job_sdf1_sub4] startdelay=0 rw=randread filename=data8/f5:data8/f6:data8/f7:data8/f8:data8/f1:data8/f2:data8/f3:data8/f4 [job_sdf1_sub5] startdelay=0 rw=randread filename=data8/f6:data8/f7:data8/f8:data8/f1:data8/f2:data8/f3:data8/f4:data8/f5 [job_sdf1_sub6] startdelay=0 rw=randread filename=data8/f7:data8/f8:data8/f1:data8/f2:data8/f3:data8/f4:data8/f5:data8/f6 [job_sdf1_sub7] startdelay=0 rw=randread filename=data8/f8:data8/f1:data8/f2:data8/f3:data8/f4:data8/f5:data8/f6:data8/f7 [job_sdf2_sub0] startdelay=0 rw=randread filename=data9/f1:data9/f2:data9/f3:data9/f4:data9/f5:data9/f6:data9/f7:data9/f8 [job_sdf2_sub1] startdelay=0 rw=randread filename=data9/f2:data9/f3:data9/f4:data9/f5:data9/f6:data9/f7:data9/f8:data9/f1 [job_sdf2_sub2] startdelay=0 rw=randread filename=data9/f3:data9/f4:data9/f5:data9/f6:data9/f7:data9/f8:data9/f1:data9/f2 [job_sdf2_sub3] startdelay=0 rw=randread filename=data9/f4:data9/f5:data9/f6:data9/f7:data9/f8:data9/f1:data9/f2:data9/f3 [job_sdf2_sub4] startdelay=0 rw=randread filename=data9/f5:data9/f6:data9/f7:data9/f8:data9/f1:data9/f2:data9/f3:data9/f4 [job_sdf2_sub5] startdelay=0 rw=randread filename=data9/f6:data9/f7:data9/f8:data9/f1:data9/f2:data9/f3:data9/f4:data9/f5 [job_sdf2_sub6] startdelay=0 rw=randread filename=data9/f7:data9/f8:data9/f1:data9/f2:data9/f3:data9/f4:data9/f5:data9/f6 [job_sdf2_sub7] startdelay=0 rw=randread filename=data9/f8:data9/f1:data9/f2:data9/f3:data9/f4:data9/f5:data9/f6:data9/f7 [job_sdg1_sub0] startdelay=0 rw=randread filename=data10/f1:data10/f2:data10/f3:data10/f4:data10/f5:data10/f6:data10/f7:data10/f8 [job_sdg1_sub1] startdelay=0 rw=randread filename=data10/f2:data10/f3:data10/f4:data10/f5:data10/f6:data10/f7:data10/f8:data10/f1 [job_sdg1_sub2] startdelay=0 rw=randread filename=data10/f3:data10/f4:data10/f5:data10/f6:data10/f7:data10/f8:data10/f1:data10/f2 [job_sdg1_sub3] startdelay=0 rw=randread filename=data10/f4:data10/f5:data10/f6:data10/f7:data10/f8:data10/f1:data10/f2:data10/f3 [job_sdg1_sub4] startdelay=0 rw=randread filename=data10/f5:data10/f6:data10/f7:data10/f8:data10/f1:data10/f2:data10/f3:data10/f4 [job_sdg1_sub5] startdelay=0 rw=randread filename=data10/f6:data10/f7:data10/f8:data10/f1:data10/f2:data10/f3:data10/f4:data10/f5 [job_sdg1_sub6] startdelay=0 rw=randread filename=data10/f7:data10/f8:data10/f1:data10/f2:data10/f3:data10/f4:data10/f5:data10/f6 [job_sdg1_sub7] startdelay=0 rw=randread filename=data10/f8:data10/f1:data10/f2:data10/f3:data10/f4:data10/f5:data10/f6:data10/f7 [job_sdg2_sub0] startdelay=0 rw=randread filename=data11/f1:data11/f2:data11/f3:data11/f4:data11/f5:data11/f6:data11/f7:data11/f8 [job_sdg2_sub1] startdelay=0 rw=randread filename=data11/f2:data11/f3:data11/f4:data11/f5:data11/f6:data11/f7:data11/f8:data11/f1 [job_sdg2_sub2] startdelay=0 rw=randread filename=data11/f3:data11/f4:data11/f5:data11/f6:data11/f7:data11/f8:data11/f1:data11/f2 [job_sdg2_sub3] startdelay=0 rw=randread filename=data11/f4:data11/f5:data11/f6:data11/f7:data11/f8:data11/f1:data11/f2:data11/f3 [job_sdg2_sub4] startdelay=0 rw=randread filename=data11/f5:data11/f6:data11/f7:data11/f8:data11/f1:data11/f2:data11/f3:data11/f4 [job_sdg2_sub5] startdelay=0 rw=randread filename=data11/f6:data11/f7:data11/f8:data11/f1:data11/f2:data11/f3:data11/f4:data11/f5 [job_sdg2_sub6] startdelay=0 rw=randread filename=data11/f7:data11/f8:data11/f1:data11/f2:data11/f3:data11/f4:data11/f5:data11/f6 [job_sdg2_sub7] startdelay=0 rw=randread filename=data11/f8:data11/f1:data11/f2:data11/f3:data11/f4:data11/f5:data11/f6:data11/f7 [job_sdh1_sub0] startdelay=0 rw=randread filename=data12/f1:data12/f2:data12/f3:data12/f4:data12/f5:data12/f6:data12/f7:data12/f8 [job_sdh1_sub1] startdelay=0 rw=randread filename=data12/f2:data12/f3:data12/f4:data12/f5:data12/f6:data12/f7:data12/f8:data12/f1 [job_sdh1_sub2] startdelay=0 rw=randread filename=data12/f3:data12/f4:data12/f5:data12/f6:data12/f7:data12/f8:data12/f1:data12/f2 [job_sdh1_sub3] startdelay=0 rw=randread filename=data12/f4:data12/f5:data12/f6:data12/f7:data12/f8:data12/f1:data12/f2:data12/f3 [job_sdh1_sub4] startdelay=0 rw=randread filename=data12/f5:data12/f6:data12/f7:data12/f8:data12/f1:data12/f2:data12/f3:data12/f4 [job_sdh1_sub5] startdelay=0 rw=randread filename=data12/f6:data12/f7:data12/f8:data12/f1:data12/f2:data12/f3:data12/f4:data12/f5 [job_sdh1_sub6] startdelay=0 rw=randread filename=data12/f7:data12/f8:data12/f1:data12/f2:data12/f3:data12/f4:data12/f5:data12/f6 [job_sdh1_sub7] startdelay=0 rw=randread filename=data12/f8:data12/f1:data12/f2:data12/f3:data12/f4:data12/f5:data12/f6:data12/f7 [job_sdh2_sub0] startdelay=0 rw=randread filename=data13/f1:data13/f2:data13/f3:data13/f4:data13/f5:data13/f6:data13/f7:data13/f8 [job_sdh2_sub1] startdelay=0 rw=randread filename=data13/f2:data13/f3:data13/f4:data13/f5:data13/f6:data13/f7:data13/f8:data13/f1 [job_sdh2_sub2] startdelay=0 rw=randread filename=data13/f3:data13/f4:data13/f5:data13/f6:data13/f7:data13/f8:data13/f1:data13/f2 [job_sdh2_sub3] startdelay=0 rw=randread filename=data13/f4:data13/f5:data13/f6:data13/f7:data13/f8:data13/f1:data13/f2:data13/f3 [job_sdh2_sub4] startdelay=0 rw=randread filename=data13/f5:data13/f6:data13/f7:data13/f8:data13/f1:data13/f2:data13/f3:data13/f4 [job_sdh2_sub5] startdelay=0 rw=randread filename=data13/f6:data13/f7:data13/f8:data13/f1:data13/f2:data13/f3:data13/f4:data13/f5 [job_sdh2_sub6] startdelay=0 rw=randread filename=data13/f7:data13/f8:data13/f1:data13/f2:data13/f3:data13/f4:data13/f5:data13/f6 [job_sdh2_sub7] startdelay=0 rw=randread filename=data13/f8:data13/f1:data13/f2:data13/f3:data13/f4:data13/f5:data13/f6:data13/f7 [job_sdi1_sub0] startdelay=0 rw=randread filename=data14/f1:data14/f2:data14/f3:data14/f4:data14/f5:data14/f6:data14/f7:data14/f8 [job_sdi1_sub1] startdelay=0 rw=randread filename=data14/f2:data14/f3:data14/f4:data14/f5:data14/f6:data14/f7:data14/f8:data14/f1 [job_sdi1_sub2] startdelay=0 rw=randread filename=data14/f3:data14/f4:data14/f5:data14/f6:data14/f7:data14/f8:data14/f1:data14/f2 [job_sdi1_sub3] startdelay=0 rw=randread filename=data14/f4:data14/f5:data14/f6:data14/f7:data14/f8:data14/f1:data14/f2:data14/f3 [job_sdi1_sub4] startdelay=0 rw=randread filename=data14/f5:data14/f6:data14/f7:data14/f8:data14/f1:data14/f2:data14/f3:data14/f4 [job_sdi1_sub5] startdelay=0 rw=randread filename=data14/f6:data14/f7:data14/f8:data14/f1:data14/f2:data14/f3:data14/f4:data14/f5 [job_sdi1_sub6] startdelay=0 rw=randread filename=data14/f7:data14/f8:data14/f1:data14/f2:data14/f3:data14/f4:data14/f5:data14/f6 [job_sdi1_sub7] startdelay=0 rw=randread filename=data14/f8:data14/f1:data14/f2:data14/f3:data14/f4:data14/f5:data14/f6:data14/f7 [job_sdi2_sub0] startdelay=0 rw=randread filename=data15/f1:data15/f2:data15/f3:data15/f4:data15/f5:data15/f6:data15/f7:data15/f8 [job_sdi2_sub1] startdelay=0 rw=randread filename=data15/f2:data15/f3:data15/f4:data15/f5:data15/f6:data15/f7:data15/f8:data15/f1 [job_sdi2_sub2] startdelay=0 rw=randread filename=data15/f3:data15/f4:data15/f5:data15/f6:data15/f7:data15/f8:data15/f1:data15/f2 [job_sdi2_sub3] startdelay=0 rw=randread filename=data15/f4:data15/f5:data15/f6:data15/f7:data15/f8:data15/f1:data15/f2:data15/f3 [job_sdi2_sub4] startdelay=0 rw=randread filename=data15/f5:data15/f6:data15/f7:data15/f8:data15/f1:data15/f2:data15/f3:data15/f4 [job_sdi2_sub5] startdelay=0 rw=randread filename=data15/f6:data15/f7:data15/f8:data15/f1:data15/f2:data15/f3:data15/f4:data15/f5 [job_sdi2_sub6] startdelay=0 rw=randread filename=data15/f7:data15/f8:data15/f1:data15/f2:data15/f3:data15/f4:data15/f5:data15/f6 [job_sdi2_sub7] startdelay=0 rw=randread filename=data15/f8:data15/f1:data15/f2:data15/f3:data15/f4:data15/f5:data15/f6:data15/f7 [job_sdj1_sub0] startdelay=0 rw=randread filename=data16/f1:data16/f2:data16/f3:data16/f4:data16/f5:data16/f6:data16/f7:data16/f8 [job_sdj1_sub1] startdelay=0 rw=randread filename=data16/f2:data16/f3:data16/f4:data16/f5:data16/f6:data16/f7:data16/f8:data16/f1 [job_sdj1_sub2] startdelay=0 rw=randread filename=data16/f3:data16/f4:data16/f5:data16/f6:data16/f7:data16/f8:data16/f1:data16/f2 [job_sdj1_sub3] startdelay=0 rw=randread filename=data16/f4:data16/f5:data16/f6:data16/f7:data16/f8:data16/f1:data16/f2:data16/f3 [job_sdj1_sub4] startdelay=0 rw=randread filename=data16/f5:data16/f6:data16/f7:data16/f8:data16/f1:data16/f2:data16/f3:data16/f4 [job_sdj1_sub5] startdelay=0 rw=randread filename=data16/f6:data16/f7:data16/f8:data16/f1:data16/f2:data16/f3:data16/f4:data16/f5 [job_sdj1_sub6] startdelay=0 rw=randread filename=data16/f7:data16/f8:data16/f1:data16/f2:data16/f3:data16/f4:data16/f5:data16/f6 [job_sdj1_sub7] startdelay=0 rw=randread filename=data16/f8:data16/f1:data16/f2:data16/f3:data16/f4:data16/f5:data16/f6:data16/f7 [job_sdj2_sub0] startdelay=0 rw=randread filename=data17/f1:data17/f2:data17/f3:data17/f4:data17/f5:data17/f6:data17/f7:data17/f8 [job_sdj2_sub1] startdelay=0 rw=randread filename=data17/f2:data17/f3:data17/f4:data17/f5:data17/f6:data17/f7:data17/f8:data17/f1 [job_sdj2_sub2] startdelay=0 rw=randread filename=data17/f3:data17/f4:data17/f5:data17/f6:data17/f7:data17/f8:data17/f1:data17/f2 [job_sdj2_sub3] startdelay=0 rw=randread filename=data17/f4:data17/f5:data17/f6:data17/f7:data17/f8:data17/f1:data17/f2:data17/f3 [job_sdj2_sub4] startdelay=0 rw=randread filename=data17/f5:data17/f6:data17/f7:data17/f8:data17/f1:data17/f2:data17/f3:data17/f4 [job_sdj2_sub5] startdelay=0 rw=randread filename=data17/f6:data17/f7:data17/f8:data17/f1:data17/f2:data17/f3:data17/f4:data17/f5 [job_sdj2_sub6] startdelay=0 rw=randread filename=data17/f7:data17/f8:data17/f1:data17/f2:data17/f3:data17/f4:data17/f5:data17/f6 [job_sdj2_sub7] startdelay=0 rw=randread filename=data17/f8:data17/f1:data17/f2:data17/f3:data17/f4:data17/f5:data17/f6:data17/f7 [job_sdk1_sub0] startdelay=0 rw=randread filename=data18/f1:data18/f2:data18/f3:data18/f4:data18/f5:data18/f6:data18/f7:data18/f8 [job_sdk1_sub1] startdelay=0 rw=randread filename=data18/f2:data18/f3:data18/f4:data18/f5:data18/f6:data18/f7:data18/f8:data18/f1 [job_sdk1_sub2] startdelay=0 rw=randread filename=data18/f3:data18/f4:data18/f5:data18/f6:data18/f7:data18/f8:data18/f1:data18/f2 [job_sdk1_sub3] startdelay=0 rw=randread filename=data18/f4:data18/f5:data18/f6:data18/f7:data18/f8:data18/f1:data18/f2:data18/f3 [job_sdk1_sub4] startdelay=0 rw=randread filename=data18/f5:data18/f6:data18/f7:data18/f8:data18/f1:data18/f2:data18/f3:data18/f4 [job_sdk1_sub5] startdelay=0 rw=randread filename=data18/f6:data18/f7:data18/f8:data18/f1:data18/f2:data18/f3:data18/f4:data18/f5 [job_sdk1_sub6] startdelay=0 rw=randread filename=data18/f7:data18/f8:data18/f1:data18/f2:data18/f3:data18/f4:data18/f5:data18/f6 [job_sdk1_sub7] startdelay=0 rw=randread filename=data18/f8:data18/f1:data18/f2:data18/f3:data18/f4:data18/f5:data18/f6:data18/f7 [job_sdk2_sub0] startdelay=0 rw=randread filename=data19/f1:data19/f2:data19/f3:data19/f4:data19/f5:data19/f6:data19/f7:data19/f8 [job_sdk2_sub1] startdelay=0 rw=randread filename=data19/f2:data19/f3:data19/f4:data19/f5:data19/f6:data19/f7:data19/f8:data19/f1 [job_sdk2_sub2] startdelay=0 rw=randread filename=data19/f3:data19/f4:data19/f5:data19/f6:data19/f7:data19/f8:data19/f1:data19/f2 [job_sdk2_sub3] startdelay=0 rw=randread filename=data19/f4:data19/f5:data19/f6:data19/f7:data19/f8:data19/f1:data19/f2:data19/f3 [job_sdk2_sub4] startdelay=0 rw=randread filename=data19/f5:data19/f6:data19/f7:data19/f8:data19/f1:data19/f2:data19/f3:data19/f4 [job_sdk2_sub5] startdelay=0 rw=randread filename=data19/f6:data19/f7:data19/f8:data19/f1:data19/f2:data19/f3:data19/f4:data19/f5 [job_sdk2_sub6] startdelay=0 rw=randread filename=data19/f7:data19/f8:data19/f1:data19/f2:data19/f3:data19/f4:data19/f5:data19/f6 [job_sdk2_sub7] startdelay=0 rw=randread filename=data19/f8:data19/f1:data19/f2:data19/f3:data19/f4:data19/f5:data19/f6:data19/f7 [job_sdl1_sub0] startdelay=0 rw=randread filename=data20/f1:data20/f2:data20/f3:data20/f4:data20/f5:data20/f6:data20/f7:data20/f8 [job_sdl1_sub1] startdelay=0 rw=randread filename=data20/f2:data20/f3:data20/f4:data20/f5:data20/f6:data20/f7:data20/f8:data20/f1 [job_sdl1_sub2] startdelay=0 rw=randread filename=data20/f3:data20/f4:data20/f5:data20/f6:data20/f7:data20/f8:data20/f1:data20/f2 [job_sdl1_sub3] startdelay=0 rw=randread filename=data20/f4:data20/f5:data20/f6:data20/f7:data20/f8:data20/f1:data20/f2:data20/f3 [job_sdl1_sub4] startdelay=0 rw=randread filename=data20/f5:data20/f6:data20/f7:data20/f8:data20/f1:data20/f2:data20/f3:data20/f4 [job_sdl1_sub5] startdelay=0 rw=randread filename=data20/f6:data20/f7:data20/f8:data20/f1:data20/f2:data20/f3:data20/f4:data20/f5 [job_sdl1_sub6] startdelay=0 rw=randread filename=data20/f7:data20/f8:data20/f1:data20/f2:data20/f3:data20/f4:data20/f5:data20/f6 [job_sdl1_sub7] startdelay=0 rw=randread filename=data20/f8:data20/f1:data20/f2:data20/f3:data20/f4:data20/f5:data20/f6:data20/f7 [job_sdl2_sub0] startdelay=0 rw=randread filename=data21/f1:data21/f2:data21/f3:data21/f4:data21/f5:data21/f6:data21/f7:data21/f8 [job_sdl2_sub1] startdelay=0 rw=randread filename=data21/f2:data21/f3:data21/f4:data21/f5:data21/f6:data21/f7:data21/f8:data21/f1 [job_sdl2_sub2] startdelay=0 rw=randread filename=data21/f3:data21/f4:data21/f5:data21/f6:data21/f7:data21/f8:data21/f1:data21/f2 [job_sdl2_sub3] startdelay=0 rw=randread filename=data21/f4:data21/f5:data21/f6:data21/f7:data21/f8:data21/f1:data21/f2:data21/f3 [job_sdl2_sub4] startdelay=0 rw=randread filename=data21/f5:data21/f6:data21/f7:data21/f8:data21/f1:data21/f2:data21/f3:data21/f4 [job_sdl2_sub5] startdelay=0 rw=randread filename=data21/f6:data21/f7:data21/f8:data21/f1:data21/f2:data21/f3:data21/f4:data21/f5 [job_sdl2_sub6] startdelay=0 rw=randread filename=data21/f7:data21/f8:data21/f1:data21/f2:data21/f3:data21/f4:data21/f5:data21/f6 [job_sdl2_sub7] startdelay=0 rw=randread filename=data21/f8:data21/f1:data21/f2:data21/f3:data21/f4:data21/f5:data21/f6:data21/f7 [job_sdm1_sub0] startdelay=0 rw=randread filename=data22/f1:data22/f2:data22/f3:data22/f4:data22/f5:data22/f6:data22/f7:data22/f8 [job_sdm1_sub1] startdelay=0 rw=randread filename=data22/f2:data22/f3:data22/f4:data22/f5:data22/f6:data22/f7:data22/f8:data22/f1 [job_sdm1_sub2] startdelay=0 rw=randread filename=data22/f3:data22/f4:data22/f5:data22/f6:data22/f7:data22/f8:data22/f1:data22/f2 [job_sdm1_sub3] startdelay=0 rw=randread filename=data22/f4:data22/f5:data22/f6:data22/f7:data22/f8:data22/f1:data22/f2:data22/f3 [job_sdm1_sub4] startdelay=0 rw=randread filename=data22/f5:data22/f6:data22/f7:data22/f8:data22/f1:data22/f2:data22/f3:data22/f4 [job_sdm1_sub5] startdelay=0 rw=randread filename=data22/f6:data22/f7:data22/f8:data22/f1:data22/f2:data22/f3:data22/f4:data22/f5 [job_sdm1_sub6] startdelay=0 rw=randread filename=data22/f7:data22/f8:data22/f1:data22/f2:data22/f3:data22/f4:data22/f5:data22/f6 [job_sdm1_sub7] startdelay=0 rw=randread filename=data22/f8:data22/f1:data22/f2:data22/f3:data22/f4:data22/f5:data22/f6:data22/f7 [job_sdm2_sub0] startdelay=0 rw=randread filename=data23/f1:data23/f2:data23/f3:data23/f4:data23/f5:data23/f6:data23/f7:data23/f8 [job_sdm2_sub1] startdelay=0 rw=randread filename=data23/f2:data23/f3:data23/f4:data23/f5:data23/f6:data23/f7:data23/f8:data23/f1 [job_sdm2_sub2] startdelay=0 rw=randread filename=data23/f3:data23/f4:data23/f5:data23/f6:data23/f7:data23/f8:data23/f1:data23/f2 [job_sdm2_sub3] startdelay=0 rw=randread filename=data23/f4:data23/f5:data23/f6:data23/f7:data23/f8:data23/f1:data23/f2:data23/f3 [job_sdm2_sub4] startdelay=0 rw=randread filename=data23/f5:data23/f6:data23/f7:data23/f8:data23/f1:data23/f2:data23/f3:data23/f4 [job_sdm2_sub5] startdelay=0 rw=randread filename=data23/f6:data23/f7:data23/f8:data23/f1:data23/f2:data23/f3:data23/f4:data23/f5 [job_sdm2_sub6] startdelay=0 rw=randread filename=data23/f7:data23/f8:data23/f1:data23/f2:data23/f3:data23/f4:data23/f5:data23/f6 [job_sdm2_sub7] startdelay=0 rw=randread filename=data23/f8:data23/f1:data23/f2:data23/f3:data23/f4:data23/f5:data23/f6:data23/f7 BTW, I save several time kernel panic in fio testing: =================== > Pid: 776, comm: kswapd0 Not tainted 2.6.36-rc7-unified #1 X8DTN/X8DTN > > RIP: 0010:[<ffffffff810cc21c>] [<ffffffff810cc21c>] slab_alloc > > +0x562/0x6f2 > > RSP: 0000:ffff88023dbebbc0 EFLAGS: 00010002 > > RAX: 0000000000000000 RBX: ffff88023fc02600 RCX: 0000000000000000 > > RDX: ffff88023e4746a0 RSI: 0000000000000046 RDI: ffffffff81d8f294 > > RBP: 0000000000000000 R08: 0000000000000012 R09: 0000000000000006 > > R10: 0000000000000000 R11: 0000000000000000 R12: ffff880002076880 > > R13: 0000000000000000 R14: ffff88023fc012c0 R15: 0000000000000010 > > FS: 0000000000000000(0000) GS:ffff880002060000(0000) > > knlGS:0000000000000000 > > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > > CR2: 0000000000000000 CR3: 0000000375d3c000 CR4: 00000000000006e0 > > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > > Process kswapd0 (pid: 776, threadinfo ffff88023dbea000, task > > ffff88023e4746a0) > > Stack: > > 0000000000000000 000000d000000e00 ffff88000000003c 0000000000000282 > > <0> ffff88023e4746a0 000080d03e4746a0 ffff880002076888 0000000000000286 > > <0> ffff88023e4746a0 0000005a3dbebfd8 ffff88023e474cb8 ffff88023fc012d0 > > Call Trace: > > [<ffffffff810cd97c>] ? shared_caches+0x2e/0xd6 > > [<ffffffff810cd4f7>] ? __kmalloc+0xb4/0x108 > > [<ffffffff810cd97c>] ? shared_caches+0x2e/0xd6 > > [<ffffffff810cda39>] ? expire_alien_caches+0x15/0x8a > > [<ffffffff810c984f>] ? __kmem_cache_expire_all+0x27/0x65 > > [<ffffffff810cd249>] ? kmem_cache_expire_all+0x86/0x9c > > [<ffffffff810a61f0>] ? balance_pgdat+0x2eb/0x4dc > > [<ffffffff810a6612>] ? kswapd+0x231/0x247 > > [<ffffffff81055513>] ? autoremove_wake_function+0x0/0x2a > > [<ffffffff810a63e1>] ? kswapd+0x0/0x247 > > [<ffffffff810a63e1>] ? kswapd+0x0/0x247 > > [<ffffffff810550c0>] ? kthread+0x7a/0x82 > > [<ffffffff810036d4>] ? kernel_thread_helper+0x4/0x10 > > [<ffffffff81055046>] ? kthread+0x0/0x82 > > [<ffffffff810036d0>] ? kernel_thread_helper+0x0/0x10 > > > > kswapd0: page allocation failure. order:0, mode:0xd0 Pid: 714, comm: kswapd0 Not tainted 2.6.36-rc7-unified #1 Call Trace: [<ffffffff8109fcf4>] ? __alloc_pages_nodemask+0x63f/0x6c7 [<ffffffff8100328e>] ? apic_timer_interrupt+0xe/0x20 [<ffffffff810cc6f7>] ? new_slab+0xac/0x277 [<ffffffff810cce1e>] ? slab_alloc+0x55c/0x6e8 [<ffffffff810ce58b>] ? shared_caches+0x31/0xd9 [<ffffffff810ce110>] ? __kmalloc+0xb0/0xff [<ffffffff810ce58b>] ? shared_caches+0x31/0xd9 [<ffffffff810ce649>] ? expire_alien_caches+0x16/0x8d [<ffffffff810cde25>] ? kmem_cache_expire_all+0xf6/0x14d [<ffffffff810a6aaf>] ? kswapd+0x5c2/0x7ea [<ffffffff810556aa>] ? autoremove_wake_function+0x0/0x2e [<ffffffff810a64ed>] ? kswapd+0x0/0x7ea [<ffffffff81055269>] ? kthread+0x7e/0x86 [<ffffffff810036d4>] ? kernel_thread_helper+0x4/0x10 [<ffffffff810551eb>] ? kthread+0x0/0x86 [<ffffffff810036d0>] ? kernel_thread_helper+0x0/0x10 Mem-Info: Node 0 DMA per-cpu: CPU 0: hi: 0, btch: 1 usd: 0 CPU 1: hi: 0, btch: 1 usd: 0 CPU 2: hi: 0, btch: 1 usd: 0 CPU 3: hi: 0, btch: 1 usd: 0 CPU 4: hi: 0, btch: 1 usd: 0 CPU 5: hi: 0, btch: 1 usd: 0 CPU 6: hi: 0, btch: 1 usd: 0 CPU 7: hi: 0, btch: 1 usd: 0 CPU 8: hi: 0, btch: 1 usd: 0 CPU 9: hi: 0, btch: 1 usd: 0 CPU 10: hi: 0, btch: 1 usd: 0 CPU 11: hi: 0, btch: 1 usd: 0 CPU 12: hi: 0, btch: 1 usd: 0 CPU 13: hi: 0, btch: 1 usd: 0 CPU 14: hi: 0, btch: 1 usd: 0 CPU 15: hi: 0, btch: 1 usd: 0 Node 0 DMA32 per-cpu: CPU 0: hi: 186, btch: 31 usd: 0 CPU 1: hi: 186, btch: 31 usd: 0 CPU 2: hi: 186, btch: 31 usd: 0 CPU 3: hi: 186, btch: 31 usd: 0 CPU 4: hi: 186, btch: 31 usd: 0 CPU 5: hi: 186, btch: 31 usd: 0 CPU 6: hi: 186, btch: 31 usd: 0 CPU 7: hi: 186, btch: 31 usd: 0 CPU 8: hi: 186, btch: 31 usd: 0 CPU 9: hi: 186, btch: 31 usd: 0 CPU 10: hi: 186, btch: 31 usd: 0 CPU 11: hi: 186, btch: 31 usd: 0 CPU 12: hi: 186, btch: 31 usd: 0 CPU 13: hi: 186, btch: 31 usd: 0 CPU 14: hi: 186, btch: 31 usd: 0 CPU 15: hi: 186, btch: 31 usd: 0 Node 1 Normal per-cpu: CPU 0: hi: 186, btch: 31 usd: 0 CPU 1: hi: 186, btch: 31 usd: 0 CPU 2: hi: 186, btch: 31 usd: 0 CPU 3: hi: 186, btch: 31 usd: 0 CPU 4: hi: 186, btch: 31 usd: 0 CPU 5: hi: 186, btch: 31 usd: 0 CPU 6: hi: 186, btch: 31 usd: 0 CPU 7: hi: 186, btch: 31 usd: 0 CPU 8: hi: 186, btch: 31 usd: 0 CPU 9: hi: 186, btch: 31 usd: 0 CPU 10: hi: 186, btch: 31 usd: 0 CPU 11: hi: 186, btch: 31 usd: 0 CPU 12: hi: 186, btch: 31 usd: 0 CPU 13: hi: 186, btch: 31 usd: 0 CPU 14: hi: 186, btch: 31 usd: 0 CPU 15: hi: 186, btch: 31 usd: 0 active_anon:864 inactive_anon:1237 isolated_anon:0 active_file:178 inactive_file:60 isolated_file:32 unevictable:0 dirty:0 writeback:0 unstable:0 free:9 slab_reclaimable:2410 slab_unreclaimable:1513417 mapped:1 shmem:64 pagetables:346 bounce:0 Node 0 DMA free:0kB min:24kB low:28kB high:36kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15700kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:192kB slab_unreclaimable:15636kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3003 3003 3003 Node 0 DMA32 free:0kB min:4940kB low:6172kB high:7408kB active_anon:604kB inactive_anon:3292kB active_file:0kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3075164kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:152kB slab_reclaimable:5840kB slab_unreclaimable:2963060kB kernel_stack:1016kB pagetables:656kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 Node 1 Normal free:24kB min:4984kB low:6228kB high:7476kB active_anon:2852kB inactive_anon:1656kB active_file:712kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):128kB present:3102720kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:104kB slab_reclaimable:3608kB slab_unreclaimable:3074972kB kernel_stack:312kB pagetables:728kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:1272 all_unreclaimable? yes lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 0 DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 305 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1570800 pages RAM 42204 pages reserved 509 pages shared 1527199 pages non-shared BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff810cce27>] slab_alloc+0x565/0x6e8 PGD 0 Oops: 0000 [#1] SMP last sysfs file: /sys/block/sdm/stat CPU 2 Modules linked in: igb ixgbe mdio Pid: 714, comm: kswapd0 Not tainted 2.6.36-rc7-unified #1 X8DTN/X8DTN RIP: 0010:[<ffffffff810cce27>] [<ffffffff810cce27>] slab_alloc +0x565/0x6e8 RSP: 0018:ffff8800bd377c00 EFLAGS: 00010002 RAX: 0000000000000000 RBX: ffff8800bd2f0408 RCX: 0000000000020000 RDX: ffff8800be328000 RSI: ffff8801030ff000 RDI: 000000000000005a RBP: ffff8800bd2f0400 R08: 0000000000000012 R09: 0000000000000004 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8800bec012d0 R14: 0000000000000010 R15: ffff8800bec02600 FS: 0000000000000000(0000) GS:ffff880002080000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000000 CR3: 0000000001c53000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process kswapd0 (pid: 714, threadinfo ffff8800bd376000, task ffff8800be328000) Stack: ffff8800be328000 ffff8800be328618 ffff8800be328000 ffff8800bd377fd8 <0> 0000000000000000 ffffffff810ce58b ffff880000000000 000000d0810a57a3 <0> 0000000000000001 000080d002097a88 ffff8800bec012d0 ffff880002096888 Call Trace: [<ffffffff810ce58b>] ? shared_caches+0x31/0xd9 [<ffffffff810ce110>] ? __kmalloc+0xb0/0xff [<ffffffff810ce58b>] ? shared_caches+0x31/0xd9 [<ffffffff810ce649>] ? expire_alien_caches+0x16/0x8d [<ffffffff810cde25>] ? kmem_cache_expire_all+0xf6/0x14d [<ffffffff810a6aaf>] ? kswapd+0x5c2/0x7ea [<ffffffff810556aa>] ? autoremove_wake_function+0x0/0x2e [<ffffffff810a64ed>] ? kswapd+0x0/0x7ea [<ffffffff81055269>] ? kthread+0x7e/0x86 [<ffffffff810036d4>] ? kernel_thread_helper+0x4/0x10 [<ffffffff810551eb>] ? kthread+0x0/0x86 [<ffffffff810036d0>] ? kernel_thread_helper+0x0/0x10 Code: 74 24 4c 41 83 e6 10 e9 46 01 00 00 45 85 f6 74 01 fb 8b 54 24 30 8b 74 24 4c 4c 89 ff e8 2d f8 ff ff 45 85 f6 49 89 c4 74 01 fa <49> 8b 04 24 65 48 8b 14 25 18 d4 00 00 48 c1 e8 3a 89 44 24 30 RIP [<ffffffff810cce27>] slab_alloc+0x565/0x6e8 RSP <ffff8800bd377c00> CR2: 0000000000000000 ---[ end trace dd9ddd336d3f686a ]--- Another panic: Kernel panic - not syncing: Fatal exception in interrupt Pid: 0, comm: swapper Tainted: G D 2.6.36-rc7-unified #1 Call Trace: <IRQ> [<ffffffff816139c0>] ? panic+0x92/0x198 [<ffffffff8161701f>] ? oops_end+0x9f/0xac [<ffffffff81021da5>] ? no_context+0x1f2/0x201 [<ffffffff8103c05d>] ? __call_console_drivers+0x64/0x75 [<ffffffff81021f60>] ? __bad_area_nosemaphore+0x1ac/0x1d0 [<ffffffff81618f1e>] ? do_page_fault+0x1cb/0x3c0 [<ffffffff81613b06>] ? printk+0x40/0x45 [<ffffffff812d2f32>] ? show_mem+0x13a/0x17c [<ffffffff8109fcf9>] ? __alloc_pages_nodemask+0x644/0x6c7 [<ffffffff8161651f>] ? page_fault+0x1f/0x30 [<ffffffff810cce27>] ? slab_alloc+0x565/0x6e8 [<ffffffff81520390>] ? sk_prot_alloc+0x29/0xe1 [<ffffffff8153de4b>] ? sch_direct_xmit+0x80/0x182 [<ffffffff810ce7bb>] ? kmem_cache_alloc+0x21/0x75 [<ffffffff81520390>] ? sk_prot_alloc+0x29/0xe1 [<ffffffff815204cb>] ? sk_clone+0x16/0x246 [<ffffffff8154f06b>] ? inet_csk_clone+0xf/0x7f [<ffffffff81562e12>] ? tcp_create_openreq_child+0x23/0x476 [<ffffffff815618e1>] ? tcp_v4_syn_recv_sock+0x4e/0x18e [<ffffffff81562c92>] ? tcp_check_req+0x21e/0x37b [<ffffffff81561035>] ? tcp_v4_do_rcv+0xf7/0x22f [<ffffffff815615b8>] ? tcp_v4_rcv+0x44b/0x726 [<ffffffff815b2cf9>] ? packet_rcv+0x2ea/0x2fd [<ffffffff815473bb>] ? ip_local_deliver+0xd6/0x161 [<ffffffff815472bf>] ? ip_rcv+0x487/0x4ad [<ffffffff8152aac2>] ? netif_receive_skb+0x67/0x6d [<ffffffff8143cba0>] ? e100_poll+0x208/0x534 [<ffffffff8152ac29>] ? net_rx_action+0x72/0x1a3 [<ffffffff810587ff>] ? hrtimer_get_next_event+0x8b/0xa2 [<ffffffff8104192d>] ? __do_softirq+0xdb/0x19e [<ffffffff810037cc>] ? call_softirq+0x1c/0x28 [<ffffffff81004bdd>] ? do_softirq+0x31/0x63 [<ffffffff810417b9>] ? irq_exit+0x36/0x78 [<ffffffff810042dd>] ? do_IRQ+0xa7/0xbd [<ffffffff81616313>] ? ret_from_intr+0x0/0xa <EOI> [<ffffffff81336c02>] ? acpi_idle_enter_c1+0x8c/0xf5 [<ffffffff81336bca>] ? acpi_idle_enter_c1+0x54/0xf5 [<ffffffff815012ce>] ? cpuidle_idle_call+0xa5/0x10b [<ffffffff81001cf9>] ? cpu_idle+0x5c/0xc9 [<ffffffff81cf2c72>] ? start_kernel+0x355/0x361 [<ffffffff81d071f5>] ? __reserve_early+0xa4/0xba [<ffffffff81cf2388>] ? x86_64_start_kernel+0xe8/0xee -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . 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