Slab corruption: start=0922713c, len=512 Redzone: 0x5a2cf071/0x5a2cf071. Last user: [<080b57ba>](free_pipe_info+0x3e/0x58) 160: 00 4e 68 08 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b Next obj: start=09227348, len=512 Redzone: 0x170fc2a5/0x170fc2a5. Last user: [<080b57f2>](pipe_new+0x1e/0x64) 000: 18 10 17 09 18 10 17 09 00 00 00 00 02 00 00 00 010: 20 56 86 08 04 00 00 00 00 00 00 00 00 00 00 00
In the past when I've seen this, it has seemed associated with hostfs. -- John > -----Original Message----- > From: Dykstra, John [MNBL1:0S03:EXCH] > Sent: Monday, March 06, 2006 1:05 PM > To: 'Blaisorblade'; [email protected] > Cc: Jeff Dike > Subject: RE: [uml-devel] Re: [uml-user] Crash and stability > problems with 2.6.15.3-bs2 > > > I've been seeing MM red zone messages on 2.6.16-fc3 with > Jeff's patchset from a couple of weeks ago. I haven't > reported them since that's a pretty old version by now. > Should I post the next bunch I see? > > -- John > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On > > Behalf Of Blaisorblade > > Sent: Monday, March 06, 2006 11:11 AM > > To: [email protected] > > Cc: Anthony Brock; Jeff Dike > > Subject: Re: [uml-devel] Re: [uml-user] Crash and stability > > problems with 2.6.15.3-bs2 > > > > > > On Monday 27 February 2006 17:27, Anthony Brock wrote: > > > Sorry for taking so long to get back on this. We've been busy with > > > some other issues. Some comments are inline below in > > addition to the > > > output from a new crash. > > > > > In the mean time, we've experienced a second crash with the > > > 2.6.15.1-bs1 kernel. It looks to be very similar to the previous > > > crash. Only, in this case, I issued the command "uml_mconsole > > > www-prod-1 sysrq s" in preparation for a backup (after issuing a > > > "uml_mconsole $1 stop" command). > > > > It's a particular scenario, and I've been doubtly about it, > > but indeed it > > seems that it's safe (at least by design). > > > > > I am including the first dump below. The rest of the dump can be > > > found at: > > > > > http://www.coherenthosting.com/prj/uml/miscellaneous/error.txt > > > > > > The time stamp at the top is in UTC, and specifies when the crash > > > started. > > > > > > Tony > > > > > -- time-stamp -- Feb/27/06 16:03:00 -- > > > SysRq : Emergency Sync > > > events/0: page allocation failure. order:0, mode:0x20 > > 0x20 == __GFP_HIGH == GFP_ATOMIC. > > > > > 0829f510: [<0808a1f3>] __alloc_pages+0x274/0x286 > > > 0829f550: [<0808c7e5>] kmem_getpages+0x4a/0x9f > > > 0829f564: [<0808d2b4>] cache_grow+0x96/0x122 > > > 0829f598: [<0808d493>] cache_alloc_refill+0x153/0x186 > > > 0829f5bc: [<0808d62d>] kmem_cache_alloc+0x34/0x44 > > > 0829f5d0: [<0808d134>] alloc_slabmgmt+0x20/0x45 > > > 0829f5e4: [<0808d2cc>] cache_grow+0xae/0x122 > > > 0829f614: [<0808d493>] cache_alloc_refill+0x153/0x186 > > > 0829f638: [<0808d6dc>] __kmalloc+0x5b/0x6d > > > 0829f654: [<08171704>] __alloc_skb+0x52/0x129 > > > 0829f670: [<0806097e>] uml_net_rx+0x1e/0x13c > > > 0829f690: [<08060ac0>] uml_net_interrupt+0x1f/0x91 > > > 0829f6d4: [<0808595b>] handle_IRQ_event+0x24/0x54 > > > 0829f6f8: [<080859de>] __do_IRQ+0x53/0x91 > > > 0829f70c: [<08057bc8>] do_IRQ+0x20/0x2c > > > 0829f714: [<08057d5d>] sigio_handler+0xa5/0xcf > > > 0829f72c: [<0805e435>] sig_handler_common_skas+0xa5/0xbe > > > 0829f750: [<0806792e>] sig_handler+0xe/0x11 > > > 0829f860: [<08057cdf>] sigio_handler+0x27/0xcf > > > 0829f87c: [<0805e435>] sig_handler_common_skas+0xa5/0xbe > > > 0829f8a0: [<0806792e>] sig_handler+0xe/0x11 > > > 0829f9e8: [<0805a694>] set_signals+0xa4/0xc0 > > > 0829fa28: [<0805a694>] set_signals+0xa4/0xc0 > > > 0829fa64: [<0805a694>] set_signals+0xa4/0xc0 > > > 0829fa8c: [<0805a694>] set_signals+0xa4/0xc0 > > > 0829fae0: [<0805a641>] set_signals+0x51/0xc0 > > > 0829fb80: [<081607e6>] handle_sysrq+0x1c/0x20 > > > 0829fb94: [<0806258b>] mconsole_sysrq+0x5d/0x63 > > > 0829fbc0: [<0806220f>] mconsole_stop+0x40/0x78 > > > 0829fbcc: [<08061e1d>] mc_work_proc+0x38/0x4f > > > 0829fbdc: [<0807c175>] worker_thread+0x188/0x205 > > > 0829fbe4: [<08061de5>] mc_work_proc+0x0/0x4f > > > 0829fc08: [<0806bde4>] default_wake_function+0x0/0x12 > > > 0829fc2c: [<0807bfed>] worker_thread+0x0/0x205 > > > 0829fc30: [<0807f21b>] kthread+0x74/0x9a > > > > > > > > Mem-info: > > > DMA per-cpu: > > > cpu 0 hot: low 0, high 18, batch 3 used:2 > > > cpu 0 cold: low 0, high 6, batch 1 used:5 > > > DMA32 per-cpu: empty > > > Normal per-cpu: empty > > > HighMem per-cpu: empty > > > Free pages: 376kB (0kB HighMem) > > > Active:2985 inactive:8684 dirty:4 writeback:0 unstable:0 free:94 > > > slab:3428 mapped:933 pagetables:48 DMA free:376kB min:1024kB > > > low:1280kB high:1536kB active:11940kB inactive:34736kB > > present:65536kB > > > pages_scanned:0 all_unreclaimable? no > > > lowmem_reserve[]: 0 0 0 0 > > > > There are 376kB of free pages, so it's strange that it can't > > satisfy this > > request. > > > > [...] > > > DMA: 0*4kB 1*8kB 1*16kB 1*32kB 1*64kB 0*128kB 1*256kB > > 0*512kB 0*1024kB > > > 0*2048kB 0*4096kB = 376kB > > > > > Swap cache: add 0, delete 0, find 0/0, race 0+0 > > > Free swap = 655340kB > > > Total swap = 655340kB > > > Free swap: 655340kB > > > 16384 pages of RAM > > > > > 952 reserved pages > > > 11194 pages shared > > > 0 pages swap cached > > > > -- > > Inform me of my mistakes, so I can keep imitating Homer > > Simpson's "Doh!". Paolo Giarrusso, aka Blaisorblade (Skype ID > > "PaoloGiarrusso", ICQ 215621894) > > http://www.user-mode-linux.org/~blaisorblade > > > > > > > > > > > > > > ___________________________________ > > Yahoo! Mail: gratis 1GB per i messaggi e allegati da 10MB > > http://mail.yahoo.it > > > > > > > > ------------------------------------------------------- > > This SF.Net email is sponsored by xPML, a groundbreaking > > scripting language that extends applications into web and > > mobile media. Attend the live webcast and join the prime > > developer group breaking into this new coding territory! > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&; dat=121642 _______________________________________________ User-mode-linux-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid0944&bid$1720&dat1642 _______________________________________________ User-mode-linux-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
