Hi,
Bump.
Does anyone have any ideas what could be causing this?
- Valtteri Kiviniemi
Valtteri Kiviniemi kirjoitti:> Hi,
>
> I am having some problems with Xen 4 (2.6.31.13) and lvm-snapshots. I
> have a snapshot-script running once a night. The snapshots are created
> succesfully and all the data is accessible. However, some times the
> snapshot creation gives errors in dmesg, but it still finishes
> succesfully. I had problems previously on Xen 3.4''s 2.6.18.8
kernel
> where the lvcreate command just stuck. I was instructed to test Xen 4
> and the latest pv_ops kernel to see if it works better. Is there still
> some bug related to creating lvm snapshots?
>
> Server is running latest Xen downloaded from xen.org and manually
> compiled. Distro is debian lenny.
>
> Log:
>
> attempt to access beyond end of device
> dm-0: rw=0, want=209715144, limit=41943040
> Buffer I/O error on device dm-0, logical block 26214392
> EXT4-fs (dm-0): barriers enabled
> kjournald2 starting: pid 2572, dev dm-0:8, commit interval 5 seconds
> EXT4-fs (dm-0): internal journal on dm-0:8
> EXT4-fs (dm-0): delayed allocation enabled
> EXT4-fs: file extents enabled
> EXT4-fs: mballoc enabled
> EXT4-fs (dm-0): ext4_orphan_cleanup: deleting unreferenced inode 265279
> EXT4-fs (dm-0): 1 orphan inode deleted
> EXT4-fs (dm-0): recovery complete
> EXT4-fs (dm-0): mounted filesystem with ordered data mode
> mount: page allocation failure. order:5, mode:0xc0d0
> Pid: 3178, comm: mount Not tainted 2.6.31.13-dom0 #1
> Call Trace:
> [<ffffffff8106b539>] ? __alloc_pages_nodemask+0x507/0x54e
> [<ffffffff8106b5e9>] ? __get_free_pages+0x12/0x4f
> [<ffffffff8110562d>] ? ext4_mb_init+0x34c/0x425
> [<ffffffff810f976c>] ? ext4_fill_super+0x1b4c/0x1fe4
> [<ffffffff811a5177>] ? snprintf+0x44/0x4c
> [<ffffffff81391274>] ? __down_write_nested+0x34/0xa9
> [<ffffffff8100e21f>] ? xen_restore_fl_direct_end+0x0/0x1
> [<ffffffff8100db7d>] ? xen_force_evtchn_callback+0x9/0xa
> [<ffffffff8100e232>] ? check_events+0x12/0x20
> [<ffffffff81090326>] ? get_sb_bdev+0x111/0x159
> [<ffffffff810f7c20>] ? ext4_fill_super+0x0/0x1fe4
> [<ffffffff8108f456>] ? vfs_kern_mount+0x4f/0x95
> [<ffffffff8108f4ef>] ? do_kern_mount+0x43/0xe1
> [<ffffffff8100e232>] ? check_events+0x12/0x20
> [<ffffffff810a3415>] ? do_mount+0x716/0x782
> [<ffffffff810a3506>] ? sys_mount+0x85/0xcf
> [<ffffffff81011942>] ? system_call_fastpath+0x16/0x1b
> Mem-Info:
> DMA per-cpu:
> CPU 0: hi: 0, btch: 1 usd: 0
> CPU 1: hi: 0, btch: 1 usd: 0
> CPU 2: hi: 0, btch: 1 usd: 0
> CPU 3: hi: 0, btch: 1 usd: 0
> DMA32 per-cpu:
> CPU 0: hi: 186, btch: 31 usd: 0
> CPU 1: hi: 186, btch: 31 usd: 0
> CPU 2: hi: 186, btch: 31 usd: 0
> CPU 3: hi: 186, btch: 31 usd: 0
> Active_anon:12622 active_file:75787 inactive_anon:12687
> inactive_file:51082 unevictable:5 dirty:7507 writeback:17 unstable:0
> free:3836 slab:76527 mapped:1129 pagetables:843 bounce:0
> DMA free:4000kB min:52kB low:64kB high:76kB active_anon:0kB
> inactive_anon:84kB a
> ctive_file:5440kB inactive_file:2832kB unevictable:0kB present:13756kB
> pages_sca
> nned:0 all_unreclaimable? no
> lowmem_reserve[]: 0 994 994 994
> DMA32 free:11344kB min:4004kB low:5004kB high:6004kB active_anon:50488kB
> inactiv e_anon:50664kB
> active_file:297708kB inactive_file:201496kB unevictable:20kB pres
> ent:1018080kB pages_scanned:0 all_unreclaimable? no
> lowmem_reserve[]: 0 0 0 0
> DMA: 254*4kB 1*8kB 2*16kB 0*32kB 8*64kB 5*128kB 5*256kB 1*512kB 0*1024kB
> 0*2048k B 0*4096kB = 4000kB
> DMA32: 1510*4kB 149*8kB 217*16kB 10*32kB 1*64kB 2*128kB 0*256kB 0*512kB
> 0*1024kB 0*2048kB 0*4096kB = 11344kB
> 127182 total pagecache pages
> 0 pages in swap cache
> Swap cache stats: add 0, delete 0, find 0/0
> Free swap = 0kB
> Total swap = 0kB
> 262144 pages RAM
> 23192 pages reserved
> 127122 pages shared
> 111804 pages non-shared
>
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