On 06/09/10 02:43 PM, Rafael J. Wysocki wrote: > On Monday, September 06, 2010, M. Vefa Bicakci wrote: >> [snip] >> >> Patch 1: >> http://lkml.org/lkml/2010/9/5/86 >> >> Patch 2: >> http://kerneltrap.org/mailarchive/linux-kernel/2010/9/4/4615426 >> >> The first of these was prepared by Minchan Kim, and it fixes >> the issue; i.e. no hangs during hibernation with a full tmpfs. > > We've already agreed that this patch should be applied. > >> However, the second patch, prepared by Rafael Wysocki, does *not* >> fix the problem. I still experience hangs with a full tmpfs upon >> hibernation. > > So we still manage to trigger OOM with this approach. > >> As always, I am willing to test newer patches and help in debugging >> this issue. > > What happens if you apply them both at the same time? Hello, When I apply both of the patches, then I don't get any hangs with hibernation. However, I do get another problem, which I am not sure is related or not. I should note that I haven't experienced this with only the vmscan.c patch, but maybe I haven't repeated my test enough times. One test consists of an automated run of 7 hibernate/thaw cycles. Here's what I got in dmesg in two of the iterations in one test. Sorry for the long e-mail and the long lines. === 8< === [ 166.512085] PM: Hibernation mode set to 'reboot' [ 166.516503] PM: Marking nosave pages: 000000000009f000 - 0000000000100000 [ 166.517654] PM: Basic memory bitmaps created [ 166.518781] PM: Syncing filesystems ... done. [ 166.546308] Freezing user space processes ... (elapsed 0.01 seconds) done. [ 166.559596] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done. [ 166.571649] PM: Preallocating image memory... [ 185.712457] iwl3945: page allocation failure. order:0, mode:0xd0 [ 185.714564] Pid: 1225, comm: iwl3945 Not tainted 2.6.35.4-test-mm5v2-vmscan+snapshot-dirty #7 [ 185.715741] Call Trace: [ 185.716853] [<c019aa67>] ? __alloc_pages_nodemask+0x577/0x630 [ 185.718126] [<f8a562c5>] ? iwl3945_rx_allocate+0x75/0x240 [iwl3945] [ 185.719379] [<c03f0516>] ? schedule+0x356/0x730 [ 185.720556] [<f8a56d50>] ? iwl3945_rx_replenish+0x20/0x50 [iwl3945] [ 185.721914] [<f8a56dbc>] ? iwl3945_bg_rx_replenish+0x3c/0x50 [iwl3945] [ 185.723929] [<c014b167>] ? worker_thread+0x117/0x1f0 [ 185.725745] [<f8a56d80>] ? iwl3945_bg_rx_replenish+0x0/0x50 [iwl3945] [ 185.727097] [<c014ebd0>] ? autoremove_wake_function+0x0/0x40 [ 185.728468] [<c014b050>] ? worker_thread+0x0/0x1f0 [ 185.730235] [<c014e854>] ? kthread+0x74/0x80 [ 185.731601] [<c014e7e0>] ? kthread+0x0/0x80 [ 185.732919] [<c0103cb6>] ? kernel_thread_helper+0x6/0x10 [ 185.734851] Mem-Info: [ 185.736144] DMA per-cpu: [ 185.737439] CPU 0: hi: 0, btch: 1 usd: 0 [ 185.738635] CPU 1: hi: 0, btch: 1 usd: 0 [ 185.740296] Normal per-cpu: [ 185.741560] CPU 0: hi: 186, btch: 31 usd: 173 [ 185.742752] CPU 1: hi: 186, btch: 31 usd: 49 [ 185.744092] HighMem per-cpu: [ 185.745897] CPU 0: hi: 186, btch: 31 usd: 159 [ 185.747239] CPU 1: hi: 186, btch: 31 usd: 170 [ 185.748547] active_anon:136410 inactive_anon:34149 isolated_anon:0 [ 185.748549] active_file:689 inactive_file:344 isolated_file:0 [ 185.748550] unevictable:0 dirty:0 writeback:392 unstable:0 [ 185.748551] free:1928 slab_reclaimable:933 slab_unreclaimable:1680 [ 185.748552] mapped:952 shmem:168120 pagetables:304 bounce:0 [ 185.755444] DMA free:3516kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15804kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [ 185.759708] lowmem_reserve[]: 0 865 3022 3022 [ 185.761135] Normal free:3444kB min:3728kB low:4660kB high:5592kB active_anon:0kB inactive_anon:0kB active_file:52kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:885944kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:0kB slab_reclaimable:3732kB slab_unreclaimable:6712kB kernel_stack:1480kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:96 all_unreclaimable? no [ 185.765935] lowmem_reserve[]: 0 0 17259 17259 [ 185.767626] HighMem free:628kB min:512kB low:2836kB high:5160kB active_anon:545256kB inactive_anon:136444kB active_file:2704kB inactive_file:1376kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:2209236kB mlocked:0kB dirty:0kB writeback:1416kB mapped:3804kB shmem:671948kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:1216kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:32 all_unreclaimable? no [ 185.773232] lowmem_reserve[]: 0 0 0 0 [ 185.775142] DMA: 1*4kB 1*8kB 1*16kB 1*32kB 0*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 3516kB [ 185.777152] Normal: 1*4kB 0*8kB 1*16kB 1*32kB 1*64kB 0*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 3444kB [ 185.779420] HighMem: 151*4kB 14*8kB 6*16kB 2*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 876kB [ 185.781487] 170219 total pagecache pages [ 185.783662] 1273 pages in swap cache [ 185.785764] Swap cache stats: add 295103, delete 293899, find 177724/191474 [ 185.787782] Free swap = 8072684kB [ 185.789940] Total swap = 8385376kB [ 185.802225] 783968 pages RAM [ 185.804258] 556658 pages HighMem [ 185.806241] 7853 pages reserved [ 185.808263] 14784 pages shared [ 185.810237] 764178 pages non-shared [ 185.812216] iwl3945 0000:05:00.0: Failed to allocate SKB buffer with GFP_KERNEL. Only 5 free buffers remaining. [ 185.871861] iwl3945: page allocation failure. order:0, mode:0xd0 [ 185.873847] Pid: 1225, comm: iwl3945 Not tainted 2.6.35.4-test-mm5v2-vmscan+snapshot-dirty #7 [ 185.876345] Call Trace: [ 185.878416] [<c019aa67>] ? __alloc_pages_nodemask+0x577/0x630 [ 185.880493] [<f8a562c5>] ? iwl3945_rx_allocate+0x75/0x240 [iwl3945] [ 185.882558] [<f8a56d50>] ? iwl3945_rx_replenish+0x20/0x50 [iwl3945] [ 185.884651] [<f8a56dbc>] ? iwl3945_bg_rx_replenish+0x3c/0x50 [iwl3945] [ 185.886753] [<c014b167>] ? worker_thread+0x117/0x1f0 [ 185.888831] [<f8a56d80>] ? iwl3945_bg_rx_replenish+0x0/0x50 [iwl3945] [ 185.890856] [<c014ebd0>] ? autoremove_wake_function+0x0/0x40 [ 185.892984] [<c014b050>] ? worker_thread+0x0/0x1f0 [ 185.895116] [<c014e854>] ? kthread+0x74/0x80 [ 185.897249] [<c014e7e0>] ? kthread+0x0/0x80 [ 185.899367] [<c0103cb6>] ? kernel_thread_helper+0x6/0x10 [ 185.901465] Mem-Info: [ 185.903580] DMA per-cpu: [ 185.905697] CPU 0: hi: 0, btch: 1 usd: 0 [ 185.907801] CPU 1: hi: 0, btch: 1 usd: 0 [ 185.909915] Normal per-cpu: [ 185.912014] CPU 0: hi: 186, btch: 31 usd: 184 [ 185.914144] CPU 1: hi: 186, btch: 31 usd: 71 [ 185.916228] HighMem per-cpu: [ 185.918285] CPU 0: hi: 186, btch: 31 usd: 164 [ 185.920370] CPU 1: hi: 186, btch: 31 usd: 156 [ 185.922390] active_anon:134202 inactive_anon:33609 isolated_anon:0 [ 185.922391] active_file:689 inactive_file:344 isolated_file:0 [ 185.922393] unevictable:0 dirty:0 writeback:409 unstable:0 [ 185.922394] free:1897 slab_reclaimable:933 slab_unreclaimable:1678 [ 185.922395] mapped:952 shmem:165367 pagetables:304 bounce:0 [ 185.931250] DMA free:3516kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15804kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [ 185.936496] lowmem_reserve[]: 0 865 3022 3022 [ 185.938184] Normal free:3568kB min:3728kB low:4660kB high:5592kB active_anon:0kB inactive_anon:0kB active_file:52kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:885944kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:0kB slab_reclaimable:3732kB slab_unreclaimable:6772kB kernel_stack:1480kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [ 185.943403] lowmem_reserve[]: 0 0 17259 17259 [ 185.945089] HighMem free:1000kB min:512kB low:2836kB high:5160kB active_anon:536552kB inactive_anon:134300kB active_file:2704kB inactive_file:1376kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:2209236kB mlocked:0kB dirty:0kB writeback:1620kB mapped:3804kB shmem:660876kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:1216kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [ 185.950324] lowmem_reserve[]: 0 0 0 0 [ 185.952105] DMA: 1*4kB 1*8kB 1*16kB 1*32kB 0*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 3516kB [ 185.953979] Normal: 20*4kB 4*8kB 2*16kB 1*32kB 1*64kB 0*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 3568kB [ 185.955929] HighMem: 176*4kB 23*8kB 3*16kB 2*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1000kB [ 185.957877] 167673 total pagecache pages [ 185.959787] 1391 pages in swap cache [ 185.961686] Swap cache stats: add 297661, delete 296270, find 177724/191474 [ 185.963640] Free swap = 8062924kB [ 185.965591] Total swap = 8385376kB [ 185.975363] 783968 pages RAM [ 185.977245] 556658 pages HighMem [ 185.979082] 7853 pages reserved [ 185.980889] 14760 pages shared [ 185.982676] 764093 pages non-shared [ 185.984478] iwl3945 0000:05:00.0: Failed to allocate SKB buffer with GFP_KERNEL. Only 4 free buffers remaining. ... ... [ 245.712056] usb usb3: __pm_runtime_suspend() from workqueue! [ 245.712088] usb usb3: __pm_runtime_suspend() returns 0! [ 245.712093] usb usb5: __pm_runtime_suspend() from workqueue! [ 245.712114] usb usb5: __pm_runtime_suspend() returns 0! [ 245.712119] usb usb1: __pm_runtime_suspend() from workqueue! [ 245.712165] usb usb1: __pm_runtime_suspend() returns 0! [ 265.583404] PM: Hibernation mode set to 'reboot' [ 265.584286] PM: Marking nosave pages: 000000000009f000 - 0000000000100000 [ 265.584291] PM: Basic memory bitmaps created [ 265.584292] PM: Syncing filesystems ... done. [ 265.630328] Freezing user space processes ... (elapsed 0.01 seconds) done. [ 265.644327] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done. [ 265.657301] PM: Preallocating image memory... [ 277.545121] iwl3945: page allocation failure. order:0, mode:0xd0 [ 277.547985] Pid: 1144, comm: iwl3945 Not tainted 2.6.35.4-test-mm5v2-vmscan+snapshot-dirty #7 [ 277.547988] Call Trace: [ 277.548001] [<c019aa67>] ? __alloc_pages_nodemask+0x577/0x630 [ 277.548015] [<f897d2c5>] ? iwl3945_rx_allocate+0x75/0x240 [iwl3945] [ 277.548019] [<c03f0516>] ? schedule+0x356/0x730 [ 277.548024] [<f897dd50>] ? iwl3945_rx_replenish+0x20/0x50 [iwl3945] [ 277.548029] [<f897ddbc>] ? iwl3945_bg_rx_replenish+0x3c/0x50 [iwl3945] [ 277.548033] [<c014b167>] ? worker_thread+0x117/0x1f0 [ 277.548038] [<f897dd80>] ? iwl3945_bg_rx_replenish+0x0/0x50 [iwl3945] [ 277.548042] [<c014ebd0>] ? autoremove_wake_function+0x0/0x40 [ 277.548045] [<c014b050>] ? worker_thread+0x0/0x1f0 [ 277.548048] [<c014e854>] ? kthread+0x74/0x80 [ 277.548050] [<c014e7e0>] ? kthread+0x0/0x80 [ 277.548054] [<c0103cb6>] ? kernel_thread_helper+0x6/0x10 [ 277.548056] Mem-Info: [ 277.548059] DMA per-cpu: [ 277.548061] CPU 0: hi: 0, btch: 1 usd: 0 [ 277.548063] CPU 1: hi: 0, btch: 1 usd: 0 [ 277.548065] Normal per-cpu: [ 277.548067] CPU 0: hi: 186, btch: 31 usd: 158 [ 277.548069] CPU 1: hi: 186, btch: 31 usd: 81 [ 277.548070] HighMem per-cpu: [ 277.548072] CPU 0: hi: 186, btch: 31 usd: 194 [ 277.548074] CPU 1: hi: 186, btch: 31 usd: 185 [ 277.548079] active_anon:132061 inactive_anon:33051 isolated_anon:0 [ 277.548080] active_file:890 inactive_file:320 isolated_file:0 [ 277.548081] unevictable:0 dirty:0 writeback:282 unstable:0 [ 277.548082] free:1884 slab_reclaimable:880 slab_unreclaimable:1633 [ 277.548084] mapped:991 shmem:164563 pagetables:306 bounce:0 [ 277.548090] DMA free:3520kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15804kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [ 277.548094] lowmem_reserve[]: 0 865 3022 3022 [ 277.548102] Normal free:3608kB min:3728kB low:4660kB high:5592kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:885944kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:0kB slab_reclaimable:3520kB slab_unreclaimable:6524kB kernel_stack:1480kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:122 all_unreclaimable? no [ 277.548106] lowmem_reserve[]: 0 0 17259 17259 [ 277.548114] HighMem free:408kB min:512kB low:2836kB high:5160kB active_anon:528244kB inactive_anon:132204kB active_file:3560kB inactive_file:1204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:2209236kB mlocked:0kB dirty:0kB writeback:1128kB mapped:3960kB shmem:658252kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:1224kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:4384 all_unreclaimable? no [ 277.548118] lowmem_reserve[]: 0 0 0 0 [ 277.548121] DMA: 0*4kB 0*8kB 0*16kB 0*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 3520kB [ 277.548129] Normal: 0*4kB 1*8kB 1*16kB 0*32kB 0*64kB 0*128kB 0*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 3608kB [ 277.548136] HighMem: 100*4kB 1*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 408kB [ 277.548143] 166232 total pagecache pages [ 277.548145] 460 pages in swap cache [ 277.548147] Swap cache stats: add 947081, delete 946621, find 437341/491917 [ 277.548148] Free swap = 2665828kB [ 277.548150] Total swap = 2996084kB [ 277.560847] 783968 pages RAM [ 277.560849] 556658 pages HighMem [ 277.560851] 7853 pages reserved [ 277.560852] 14928 pages shared [ 277.560854] 764721 pages non-shared [ 277.560860] iwl3945 0000:05:00.0: Failed to allocate SKB buffer with GFP_KERNEL. Only 8 free buffers remaining. [ 277.560897] iwl3945: page allocation failure. order:0, mode:0xd0 [ 277.560901] Pid: 1144, comm: iwl3945 Not tainted 2.6.35.4-test-mm5v2-vmscan+snapshot-dirty #7 [ 277.560903] Call Trace: [ 277.560912] [<c019aa67>] ? __alloc_pages_nodemask+0x577/0x630 [ 277.560925] [<f897d2c5>] ? iwl3945_rx_allocate+0x75/0x240 [iwl3945] [ 277.560930] [<c014b815>] ? __queue_work+0x25/0x40 [ 277.560933] [<c014b908>] ? queue_work_on+0x38/0x60 [ 277.560937] [<f897dd50>] ? iwl3945_rx_replenish+0x20/0x50 [iwl3945] [ 277.560942] [<f897ddbc>] ? iwl3945_bg_rx_replenish+0x3c/0x50 [iwl3945] [ 277.560945] [<c014b167>] ? worker_thread+0x117/0x1f0 [ 277.560949] [<f897dd80>] ? iwl3945_bg_rx_replenish+0x0/0x50 [iwl3945] [ 277.560953] [<c014ebd0>] ? autoremove_wake_function+0x0/0x40 [ 277.560956] [<c014b050>] ? worker_thread+0x0/0x1f0 [ 277.560959] [<c014e854>] ? kthread+0x74/0x80 [ 277.560962] [<c014e7e0>] ? kthread+0x0/0x80 [ 277.560966] [<c0103cb6>] ? kernel_thread_helper+0x6/0x10 [ 277.560968] Mem-Info: [ 277.560970] DMA per-cpu: [ 277.560972] CPU 0: hi: 0, btch: 1 usd: 0 [ 277.560975] CPU 1: hi: 0, btch: 1 usd: 0 [ 277.560976] Normal per-cpu: [ 277.560978] CPU 0: hi: 186, btch: 31 usd: 159 [ 277.560980] CPU 1: hi: 186, btch: 31 usd: 81 [ 277.560982] HighMem per-cpu: [ 277.560984] CPU 0: hi: 186, btch: 31 usd: 194 [ 277.560986] CPU 1: hi: 186, btch: 31 usd: 185 [ 277.560991] active_anon:132061 inactive_anon:33051 isolated_anon:0 [ 277.560992] active_file:890 inactive_file:320 isolated_file:0 [ 277.560994] unevictable:0 dirty:0 writeback:168 unstable:0 [ 277.560995] free:1884 slab_reclaimable:880 slab_unreclaimable:1633 [ 277.560996] mapped:991 shmem:164563 pagetables:306 bounce:0 [ 277.561003] DMA free:3520kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15804kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [ 277.561007] lowmem_reserve[]: 0 865 3022 3022 [ 277.561014] Normal free:3608kB min:3728kB low:4660kB high:5592kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:885944kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:0kB slab_reclaimable:3520kB slab_unreclaimable:6524kB kernel_stack:1480kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:122 all_unreclaimable? no [ 277.561019] lowmem_reserve[]: 0 0 17259 17259 [ 277.561027] HighMem free:408kB min:512kB low:2836kB high:5160kB active_anon:528244kB inactive_anon:132204kB active_file:3560kB inactive_file:1204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:2209236kB mlocked:0kB dirty:0kB writeback:672kB mapped:3960kB shmem:658252kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:1224kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:4384 all_unreclaimable? no [ 277.561031] lowmem_reserve[]: 0 0 0 0 [ 277.561034] DMA: 0*4kB 0*8kB 0*16kB 0*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 3520kB [ 277.561042] Normal: 0*4kB 1*8kB 1*16kB 0*32kB 0*64kB 0*128kB 0*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 3608kB [ 277.561049] HighMem: 100*4kB 1*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 408kB [ 277.561057] 166232 total pagecache pages [ 277.561059] 460 pages in swap cache [ 277.561061] Swap cache stats: add 947081, delete 946621, find 437341/491917 [ 277.561063] Free swap = 2665828kB [ 277.561065] Total swap = 2996084kB [ 277.573331] 783968 pages RAM [ 277.573333] 556658 pages HighMem [ 277.573334] 7853 pages reserved [ 277.573335] 14928 pages shared [ 277.573336] 764720 pages non-shared [ 277.573341] iwl3945 0000:05:00.0: Failed to allocate SKB buffer with GFP_KERNEL. Only 8 free buffers remaining. === >8 === _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
