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
