Perhaps its time to back to a stable (2.6.17.13 kernel)? Anyway, when I run a cp 18gb_file 18gb_file.2 on a dual raptor sw raid1 partition, the OOM killer goes into effect and kills almost all my processes. Completely 100% reproducible. Does 2.6.19.2 have some of memory allocation bug as well? System Events =-=-=-=-=-=-= Jan 20 15:13:13 p34 kernel: [ 8204.430917] top invoked oom-killer: gfp_mask=0xd0, order=0, oomkilladj=0 Jan 20 15:13:15 p34 kernel: [ 8204.430929] [<c013cce3>] out_of_memory+0x189/0x1b6 Jan 20 15:13:15 p34 kernel: [ 8204.430939] [<c013e577>] __alloc_pages+0x27b/0x2db Jan 20 15:13:15 p34 kernel: [ 8204.430949] [<c013e619>] __get_free_pages+0x42/0x4d Jan 20 15:13:15 p34 kernel: [ 8204.430955] [<c018bc99>] proc_file_read+0x72/0x28e Jan 20 15:13:15 p34 kernel: [ 8204.430962] [<c027bec9>] _atomic_dec_and_lock+0x2d/0x54 Jan 20 15:13:15 p34 kernel: [ 8204.430968] [<c016cb53>] mntput_no_expire+0x1c/0x7d Jan 20 15:13:15 p34 kernel: [ 8204.430975] [<c0158141>] vfs_read+0x9d/0x17b Jan 20 15:13:15 p34 kernel: [ 8204.430983] [<c0158644>] sys_read+0x4b/0x74 Jan 20 15:13:15 p34 kernel: [ 8204.430988] [<c0103013>] syscall_call+0x7/0xb Jan 20 15:13:15 p34 kernel: [ 8204.430994] ======================= Jan 20 15:13:15 p34 kernel: [ 8204.430997] Mem-info: Jan 20 15:13:15 p34 kernel: [ 8204.430999] DMA per-cpu: Jan 20 15:13:15 p34 squid[2515]: Squid Parent: child process 2517 exited due to signal 9 Jan 20 15:13:15 p34 kernel: [ 8204.431003] CPU 0: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0 Jan 20 15:13:15 p34 kernel: [ 8204.431007] CPU 1: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0 Jan 20 15:13:15 p34 kernel: [ 8204.431010] Normal per-cpu: Jan 20 15:13:15 p34 kernel: [ 8204.431013] CPU 0: Hot: hi: 186, btch: 31 usd: 166 Cold: hi: 62, btch: 15 usd: 50 Jan 20 15:13:15 p34 kernel: [ 8204.431017] CPU 1: Hot: hi: 186, btch: 31 usd: 30 Cold: hi: 62, btch: 15 usd: 60 Jan 20 15:13:15 p34 kernel: [ 8204.431021] HighMem per-cpu: Jan 20 15:13:15 p34 kernel: [ 8204.431024] CPU 0: Hot: hi: 186, btch: 31 usd: 13 Cold: hi: 62, btch: 15 usd: 3 Jan 20 15:13:15 p34 kernel: [ 8204.431028] CPU 1: Hot: hi: 186, btch: 31 usd: 23 Cold: hi: 62, btch: 15 usd: 14 Jan 20 15:13:15 p34 kernel: [ 8204.431033] Active:8356 inactive:247241 dirty:58126 writeback:146669 unstable:0 free:41510 slab:61581 mapped:5339 pagetables:470 Jan 20 15:13:15 p34 kernel: [ 8204.431038] DMA free:3544kB min:68kB low:84kB high:100kB active:0kB inactive:0kB present:16256kB pages_scanned:0 all_unreclaimable? yes Jan 20 15:13:15 p34 kernel: [ 8204.431055] lowmem_reserve[]: 0 873 1991 Jan 20 15:13:15 p34 kernel: [ 8204.431064] Normal free:2788kB min:3744kB low:4680kB high:5616kB active:4kB inactive:30496kB present:894080kB pages_scanned:47944 all_unreclaimable? yes Jan 20 15:13:15 p34 kernel: [ 8204.431068] lowmem_reserve[]: 0 0 8945 Jan 20 15:13:15 p34 kernel: [ 8204.431077] HighMem free:159708kB min:512kB low:1708kB high:2908kB active:33420kB inactive:958468kB present:1145032kB pages_scanned:224 all_unreclaimable? no Jan 20 15:13:15 p34 kernel: [ 8204.431080] lowmem_reserve[]: 0 0 0 Jan 20 15:13:15 p34 kernel: [ 8204.431097] DMA: 0*4kB 1*8kB 1*16kB 0*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 3544kB Jan 20 15:13:15 p34 kernel: [ 8204.431114] Normal: 1*4kB 0*8kB 0*16kB 3*32kB 0*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 2788kB Jan 20 15:13:15 p34 kernel: [ 8204.431132] HighMem: 1*4kB 1*8kB 3997*16kB 2194*32kB 353*64kB 17*128kB 3*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 159708kB Jan 20 15:13:15 p34 kernel: [ 8204.431150] Swap cache: add 2551, delete 2533, find 11/16, race 0+0 Jan 20 15:13:15 p34 kernel: [ 8204.431153] Free swap = 2190716kB Jan 20 15:13:15 p34 kernel: [ 8204.431155] Total swap = 2200760kB Jan 20 15:13:15 p34 kernel: [ 8204.431157] Free swap: 2190716kB Jan 20 15:13:15 p34 kernel: [ 8204.436274] 517888 pages of RAM Jan 20 15:13:15 p34 kernel: [ 8204.436279] 288512 pages of HIGHMEM Jan 20 15:13:15 p34 kernel: [ 8204.436281] 5662 reserved pages Jan 20 15:13:15 p34 kernel: [ 8204.436283] 246964 pages shared Jan 20 15:13:15 p34 kernel: [ 8204.436285] 18 pages swap cached Jan 20 15:13:15 p34 kernel: [ 8204.436288] 58126 pages dirty Jan 20 15:13:15 p34 kernel: [ 8204.436290] 146669 pages writeback Jan 20 15:13:15 p34 kernel: [ 8204.436292] 5339 pages mapped Jan 20 15:13:15 p34 kernel: [ 8204.436294] 61581 pages slab Jan 20 15:13:15 p34 kernel: [ 8204.436296] 470 pages pagetables Jan 20 15:13:15 p34 kernel: [ 8204.436391] Out of Memory: Kill process 1848 (named) score 12591 and children. Jan 20 15:13:15 p34 kernel: [ 8204.436395] Out of memory: Killed process 1848 (named). Jan 20 15:13:15 p34 kernel: [ 8204.437143] bash invoked oom-killer: gfp_mask=0xd0, order=0, oomkilladj=0 Jan 20 15:13:15 p34 kernel: [ 8204.437151] [<c013cce3>] out_of_memory+0x189/0x1b6 Jan 20 15:13:15 p34 kernel: [ 8204.437160] [<c013e577>] __alloc_pages+0x27b/0x2db Jan 20 15:13:15 p34 kernel: [ 8204.437166] [<c0154855>] cache_alloc_refill+0x2e9/0x540 Jan 20 15:13:15 p34 kernel: [ 8204.437172] [<c015456a>] kmem_cache_alloc+0x40/0x42 Jan 20 15:13:15 p34 kernel: [ 8204.437177] [<c011231d>] pgd_alloc+0x18/0x1c Jan 20 15:13:15 p34 kernel: [ 8204.437183] [<c0118c27>] mm_init+0xbc/0xe9 Jan 20 15:13:15 p34 kernel: [ 8204.437188] [<c015ce45>] do_execve+0x6c/0x1dc Jan 20 15:13:15 p34 kernel: [ 8204.437193] [<c010135b>] sys_execve+0x3c/0x97 Jan 20 15:13:15 p34 kernel: [ 8204.437198] [<c0103013>] syscall_call+0x7/0xb Jan 20 15:13:15 p34 kernel: [ 8204.437202] [<c042007b>] schedule+0x34b/0x8cd Jan 20 15:13:15 p34 kernel: [ 8204.437208] ======================= Jan 20 15:13:15 p34 kernel: [ 8204.437211] Mem-info: Jan 20 15:13:15 p34 kernel: [ 8204.437213] DMA per-cpu: Jan 20 15:13:15 p34 kernel: [ 8204.437216] CPU 0: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0 Jan 20 15:13:15 p34 kernel: [ 8204.437220] CPU 1: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0 Jan 20 15:13:15 p34 kernel: [ 8204.437223] Normal per-cpu: Jan 20 15:13:15 p34 kernel: [ 8204.437227] CPU 0: Hot: hi: 186, btch: 31 usd: 177 Cold: hi: 62, btch: 15 usd: 50 Jan 20 15:13:15 p34 kernel: [ 8204.437237] CPU 1: Hot: hi: 186, btch: 31 usd: 30 Cold: hi: 62, btch: 15 usd: 60 Jan 20 15:13:15 p34 kernel: [ 8204.437244] HighMem per-cpu: Jan 20 15:13:15 p34 kernel: [ 8204.437249] CPU 0: Hot: hi: 186, btch: 31 usd: 176 Cold: hi: 62, btch: 15 usd: 3 Jan 20 15:13:15 p34 kernel: [ 8204.437256] CPU 1: Hot: hi: 186, btch: 31 usd: 22 Cold: hi: 62, btch: 15 usd: 14 Jan 20 15:13:15 p34 kernel: [ 8204.437264] Active:8072 inactive:245472 dirty:58126 writeback:146669 unstable:0 free:43401 slab:61581 mapped:4967 pagetables:470 Jan 20 15:13:15 p34 kernel: [ 8204.437272] DMA free:3544kB min:68kB low:84kB high:100kB active:0kB inactive:0kB present:16256kB pages_scanned:0 all_unreclaimable? yes Jan 20 15:13:15 p34 kernel: [ 8204.437275] lowmem_reserve[]: 0 873 1991 Jan 20 15:13:15 p34 kernel: [ 8204.437284] Normal free:2788kB min:3744kB low:4680kB high:5616kB active:4kB inactive:30496kB present:894080kB pages_scanned:47944 - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
