reassign 401006 linux-2.6 severity 401006 grave retitle 401006 mm/msync leading to filesystem corruption thanks
Seems other people see problems with mm/msync too. * [EMAIL PROTECTED] <[EMAIL PROTECTED]> [2006-12-16 13:32]: > I think something got wrong with this change, regarding mmap/msync on > somewhat-slow? filesystem, resulting in sporadic data loss. > For my case it occures during running rtorrent on cifs (ok I know it's > too bad idea anyway), sometime with tons of strange log (see below), > sometime just gets corrupted silently. > Please see #401006 and its upstream ml, reportedly regression on > linux-image-2.6.18-3 and 2.6.19. This is not cifs specific (same > problem reported on local reiserfs and so on). > > kernel at that time is home-built one from linux-source-2.6.18-6. > Dec 3 18:26:16 x kernel: Linux version 2.6.18 (Version: m0) ([EMAIL > PROTECTED]) > (gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-20)) #1 Sat Dec > 2 14:22:41 JST 2006 > Dec 11 09:15:16 x kernel: printk: 536 messages suppressed. > Dec 11 09:15:16 x kernel: swapper: page allocation failure. order:0, > mode:0x20 > Dec 11 09:15:16 x kernel: [<c012b8d5>] [<c013e7b9>] [<c013ea03>] > [<c0230223>] [<c01ddc39>] [<c01de97d>] [<c010c6e4>] [<c0116151>] > [<c0236068>] [<c0114372>] [<c01143e6>] [<c01041d3>] [<c01041d3>] > [<c0102976>] [<c0102976>] [<c0101561>] [<c01015c9>] [<c02c66d9>] > [<c02c6230>] <6>Mem-info: > Dec 11 09:15:16 x kernel: DMA per-cpu: > Dec 11 09:15:16 x kernel: cpu 0 hot: high 0, batch 1 used:0 > Dec 11 09:15:16 x kernel: cpu 0 cold: high 0, batch 1 used:0 > Dec 11 09:15:16 x kernel: DMA32 per-cpu: empty > Dec 11 09:15:16 x kernel: Normal per-cpu: > Dec 11 09:15:16 x kernel: cpu 0 hot: high 90, batch 15 used:18 > Dec 11 09:15:16 x kernel: cpu 0 cold: high 30, batch 7 used:23 > Dec 11 09:15:16 x kernel: HighMem per-cpu: empty > Dec 11 09:15:16 x kernel: Free pages: 1668kB (0kB HighMem) > Dec 11 09:15:16 x kernel: Active:37320 inactive:24391 dirty:6568 > writeback:0 unstable:0 free:417 slab:1872 mapped:11210 pagetables:86 > Dec 11 09:15:16 x kernel: DMA free:1004kB min:124kB low:152kB > high:184kB active:8016kB inactive:4404kB present:16384kB > pages_scanned:0 all_unreclaimable? no > Dec 11 09:15:16 x kernel: lowmem_reserve[]: 0 0 239 239 > Dec 11 09:15:16 x kernel: DMA32 free:0kB min:0kB low:0kB high:0kB > active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? > no > Dec 11 09:15:16 x kernel: lowmem_reserve[]: 0 0 239 239 > Dec 11 09:15:16 x kernel: Normal free:664kB min:1916kB low:2392kB > high:2872kB active:141264kB inactive:93160kB present:245696kB > pages_scanned:192 all_unreclaimable? no > Dec 11 09:15:16 x kernel: lowmem_reserve[]: 0 0 0 0 > Dec 11 09:15:16 x kernel: HighMem free:0kB min:128kB low:128kB > high:128kB active:0kB inactive:0kB present:0kB pages_scanned:0 > all_unreclaimable? no > Dec 11 09:15:16 x kernel: lowmem_reserve[]: 0 0 0 0 > Dec 11 09:15:16 x kernel: DMA: 3*4kB 0*8kB 0*16kB 1*32kB 1*64kB > 1*128kB 1*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 1004kB > Dec 11 09:15:16 x kernel: DMA32: empty > Dec 11 09:15:16 x kernel: Normal: 0*4kB 1*8kB 1*16kB 0*32kB 0*64kB > 1*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 664kB > Dec 11 09:15:16 x kernel: HighMem: empty > Dec 11 09:15:16 x kernel: Swap cache: add 14520, delete 14520, find > 218/354, race 0+0 > Dec 11 09:15:16 x kernel: Free swap = 249712kB > Dec 11 09:15:16 x kernel: Total swap = 249944kB > Dec 11 09:15:16 x kernel: Free swap: 249712kB > Dec 11 09:15:16 x kernel: 65520 pages of RAM > Dec 11 09:15:16 x kernel: 0 pages of HIGHMEM > Dec 11 09:15:16 x kernel: 1147 reserved pages > Dec 11 09:15:16 x kernel: 14274 pages shared > Dec 11 09:15:16 x kernel: 0 pages swap cached > Dec 11 09:15:16 x kernel: 6568 pages dirty > Dec 11 09:15:16 x kernel: 0 pages writeback > Dec 11 09:15:16 x kernel: 11210 pages mapped > Dec 11 09:15:16 x kernel: 1872 pages slab > Dec 11 09:15:16 x kernel: 86 pages pagetables > > On my box swap is local dedicated partition. I can't test with > official linux-image because my box won't boot due to buggy usb-legacy > (my box is something crap not installable with d-i). > > Sorry if i should have opened new bug... -- Martin Michlmayr http://www.cyrius.com/ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
