On Wed, 07 Aug 2013 00:11:32 +0530 Vijay Bellur <vbellur at redhat.com> wrote: > On 08/06/2013 05:09 PM, haiwei.xie-soulinfo wrote: > > Hi, > > > > Unfortunately, add the two params into smb.conf, nfs client OS will core dump with dd testing. > > I reconfigure gluster vol, without any new params in smb.conf, performance looks good. Maybe > > former low performance result from error config. > > > > [root at infi131 cifs]# dd if=/dev/zero of=t1 bs=64k count=100000 > > ???100000+0 ??? > > ???100000+0 ??? > > 6553600000??(6.6 GB)????21.3123 ??308 MB/? > > > > > > bugs: > > 1, dd bs > 128K, glusterfs brick log shows client disconnect, I guess api caller crash. > > in /var/log/samba/cores, may core files. > > Can you please provide backtrace from any of the cores if possible? Core was generated by `smbd -D'. Program terminated with signal 6, Aborted. #0 0x00007fca7bb888a5 in ?? () Missing separate debuginfos, use: debuginfo-install samba-3.6.9-151.el6.x86_64 (gdb) where #0 0x00007fca7bb888a5 in ?? () Cannot access memory at address 0x7ffff76d1668 (gdb) bt #0 0x00007fca7bb888a5 in ?? () Cannot access memory at address 0x7ffff76d1668 gdb core files, but miss debug info, debuginfo-install reports not found debuginfo pkg. Maybe I need update yum resp? > > > > > 2, some times, nfs client OS core dump. > > > > crash kernel log like: > > Aug 6 11:06:36 infi131 kernel: INFO: task dd:3146 blocked for more than 120 seconds. > > Aug 6 11:06:36 infi131 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > > Aug 6 11:06:36 infi131 kernel: dd D 0000000000000000 0 3146 2754 0x00000084 > > Aug 6 11:06:36 infi131 kernel: ffff880125b55cd8 0000000000000082 0000000000000000 fff880123fc0<>ff802b5f ffff065fff802117 ff813fc3<>ff803c4f ff8155f8000000f8 ff819b58<>alTae > > Aug 6 11:10:36 infi131 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > > Aug 6 11:10:36 infi131 kernel: dd D 0000000000000000 0 3146 2754 0x00000084 > > Aug 6 11:10:36 infi131 kernel: ffff880125b55cd8 0000000000000082 0000000000000000 ffff8801231f1c10 > > Aug 6 11:10:36 infi131 kernel: ffff880125b55cf8 ffffffffa046c50f ffff8801231f1c72 ffff8801231f1c73 > > Aug 6 11:10:36 infi131 kernel: ffff880139cb45f8 ffff880125b55fd8 000000000000fb88 ffff880139cb45f8 > > Aug 6 11:10:36 infi131 kernel: Call Trace: > > Aug 6 11:10:36 infi131 kernel: [<ffffffffa046c50f>]? ciswieae+x2/x8 cf]<>[ffff819d> ycpg+x/x0<>[ffff85d7> oshdl+x30c > > Aug 6 11:14:21 infi131 kernel: ipmi device interface > > > > Is this a nfs client mounting gluster nfs server? A linux client, CentOS6.4, mount samba-glusterfs-vfs patched samba server. thx. terrs. > > Thanks, > Vijay >
