Hello, I have a xenhost using rbd device for the guests. In the guest I have a mounted ceph file system. >From time to time I get the guest hanging and I have the following error in my logfiles on the guest. Maybe I should not use both rbd and ceph ? May 15 14:13:18 lintx2 kernel: [ 3560.225095] Modules linked in: cryptd aes_x86_64 aes_generic cbc ceph libceph crc32c libcrc32c evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache xen_netfront xen_blkfront May 15 14:13:18 lintx2 kernel: [ 3560.225140] Pid: 18, comm: kworker/0:1 Tainted: G W 3.2.0-0.bpo.2-amd64 #1 May 15 14:13:18 lintx2 kernel: [ 3560.225148] Call Trace: May 15 14:13:18 lintx2 kernel: [ 3560.225155] [<ffffffff810497b4>] ? warn_slowpath_common+0x78/0x8c May 15 14:13:18 lintx2 kernel: [ 3560.225167] [<ffffffffa00db647>] ? ceph_add_cap+0x38e/0x49e [ceph] May 15 14:13:18 lintx2 kernel: [ 3560.225178] [<ffffffffa00d220a>] ? fill_inode+0x4eb/0x602 [ceph] May 15 14:13:18 lintx2 kernel: [ 3560.225186] [<ffffffff811157ad>] ? __d_instantiate+0x8b/0xda May 15 14:13:18 lintx2 kernel: [ 3560.225197] [<ffffffffa00d317d>] ? ceph_readdir_prepopulate+0x2de/0x375 [ceph] May 15 14:13:18 lintx2 kernel: [ 3560.225209] [<ffffffffa00e2d3f>] ? dispatch+0xa35/0xef2 [ceph] May 15 14:13:18 lintx2 kernel: [ 3560.225220] [<ffffffffa00ae841>] ? ceph_tcp_recvmsg+0x43/0x4f [libceph] May 15 14:13:18 lintx2 kernel: [ 3560.225231] [<ffffffffa00b0821>] ? con_work+0x1070/0x13b8 [libceph] May 15 14:13:18 lintx2 kernel: [ 3560.225240] [<ffffffff81006f7f>] ? xen_restore_fl_direct_reloc+0x4/0x4 May 15 14:13:18 lintx2 kernel: [ 3560.225248] [<ffffffff81044549>] ? update_curr+0xbc/0x160 May 15 14:13:18 lintx2 kernel: [ 3560.225259] [<ffffffffa00af7b1>] ? try_write+0xbe1/0xbe1 [libceph] May 15 14:13:18 lintx2 kernel: [ 3560.225268] [<ffffffff8105f897>] ? process_one_work+0x1cc/0x2ea May 15 14:13:18 lintx2 kernel: [ 3560.225277] [<ffffffff8105fae2>] ? worker_thread+0x12d/0x247 May 15 14:13:18 lintx2 kernel: [ 3560.225285] [<ffffffff8105f9b5>] ? process_one_work+0x2ea/0x2ea May 15 14:13:18 lintx2 kernel: [ 3560.225294] [<ffffffff810632ed>] ? kthread+0x7a/0x82 May 15 14:13:18 lintx2 kernel: [ 3560.225302] [<ffffffff8136b974>] ? kernel_thread_helper+0x4/0x10 May 15 14:13:18 lintx2 kernel: [ 3560.225311] [<ffffffff81369a33>] ? int_ret_from_sys_call+0x7/0x1b May 15 14:13:18 lintx2 kernel: [ 3560.225319] [<ffffffff8136453c>] ? retint_restore_args+0x5/0x6 May 15 14:13:18 lintx2 kernel: [ 3560.225328] [<ffffffff8136b970>] ? gs_change+0x13/0x13 May 15 14:13:18 lintx2 kernel: [ 3560.225335] ---[ end trace 111652db8892cd8b ]--- May 15 14:13:19 lintx2 kernel: [ 3560.467074] ------------[ cut here ]------------ May 15 14:13:19 lintx2 kernel: [ 3560.467086] WARNING: at /build/buildd-linux-2.6_3.2.15-1~bpo60+1-amd64-Rdi2JW/linux-2.6-3.2.15/debian/build/source_amd64_none/fs/ceph/caps.c:590 ceph_add_cap+0x38e/0x49e [ceph]() May 15 14:13:19 lintx2 kernel: [ 3560.467102] Modules linked in: cryptd aes_x86_64 aes_generic cbc ceph libceph crc32c libcrc32c evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache xen_netfront xen_blkfront May 15 14:13:19 lintx2 kernel: [ 3560.467147] Pid: 18, comm: kworker/0:1 Tainted: G W 3.2.0-0.bpo.2-amd64 #1 May 15 14:13:19 lintx2 kernel: [ 3560.467155] Call Trace: May 15 14:13:19 lintx2 kernel: [ 3560.467163] [<ffffffff810497b4>] ? warn_slowpath_common+0x78/0x8c May 15 14:13:19 lintx2 kernel: [ 3560.467175] [<ffffffffa00db647>] ? ceph_add_cap+0x38e/0x49e [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.467187] [<ffffffffa00d220a>] ? fill_inode+0x4eb/0x602 [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.467196] [<ffffffff811157ad>] ? __d_instantiate+0x8b/0xda May 15 14:13:19 lintx2 kernel: [ 3560.467207] [<ffffffffa00d317d>] ? ceph_readdir_prepopulate+0x2de/0x375 [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.467220] [<ffffffffa00e2d3f>] ? dispatch+0xa35/0xef2 [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.467229] [<ffffffff8136453c>] ? retint_restore_args+0x5/0x6 May 15 14:13:19 lintx2 kernel: [ 3560.467241] [<ffffffffa00ae841>] ? ceph_tcp_recvmsg+0x43/0x4f [libceph] May 15 14:13:19 lintx2 kernel: [ 3560.467252] [<ffffffffa00b0821>] ? con_work+0x1070/0x13b8 [libceph] May 15 14:13:19 lintx2 kernel: [ 3560.467262] [<ffffffff81006f7f>] ? xen_restore_fl_direct_reloc+0x4/0x4 May 15 14:13:19 lintx2 kernel: [ 3560.467271] [<ffffffff81044549>] ? update_curr+0xbc/0x160 May 15 14:13:19 lintx2 kernel: [ 3560.467280] [<ffffffff81362d0d>] ? __schedule+0x5a0/0x5cd May 15 14:13:19 lintx2 kernel: [ 3560.467290] [<ffffffffa00af7b1>] ? try_write+0xbe1/0xbe1 [libceph] May 15 14:13:19 lintx2 kernel: [ 3560.467299] [<ffffffff8105f897>] ? process_one_work+0x1cc/0x2ea May 15 14:13:19 lintx2 kernel: [ 3560.467308] [<ffffffff8105fae2>] ? worker_thread+0x12d/0x247 May 15 14:13:19 lintx2 kernel: [ 3560.467317] [<ffffffff8105f9b5>] ? process_one_work+0x2ea/0x2ea May 15 14:13:19 lintx2 kernel: [ 3560.467325] [<ffffffff810632ed>] ? kthread+0x7a/0x82 May 15 14:13:19 lintx2 kernel: [ 3560.467334] [<ffffffff8136b974>] ? kernel_thread_helper+0x4/0x10 May 15 14:13:19 lintx2 kernel: [ 3560.467343] [<ffffffff81369a33>] ? int_ret_from_sys_call+0x7/0x1b May 15 14:13:19 lintx2 kernel: [ 3560.467352] [<ffffffff8136453c>] ? retint_restore_args+0x5/0x6 May 15 14:13:19 lintx2 kernel: [ 3560.467361] [<ffffffff8136b970>] ? gs_change+0x13/0x13 May 15 14:13:19 lintx2 kernel: [ 3560.467368] ---[ end trace 111652db8892cd8c ]--- May 15 14:13:19 lintx2 kernel: [ 3560.467384] ------------[ cut here ]------------ May 15 14:13:19 lintx2 kernel: [ 3560.467395] WARNING: at /build/buildd-linux-2.6_3.2.15-1~bpo60+1-amd64-Rdi2JW/linux-2.6-3.2.15/debian/build/source_amd64_none/fs/ceph/caps.c:590 ceph_add_cap+0x38e/0x49e [ceph]() May 15 14:13:19 lintx2 kernel: [ 3560.467408] Modules linked in: cryptd aes_x86_64 aes_generic cbc ceph libceph crc32c libcrc32c evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache xen_netfront xen_blkfront May 15 14:13:19 lintx2 kernel: [ 3560.467452] Pid: 18, comm: kworker/0:1 Tainted: G W 3.2.0-0.bpo.2-amd64 #1 May 15 14:13:19 lintx2 kernel: [ 3560.467460] Call Trace: May 15 14:13:19 lintx2 kernel: [ 3560.467467] [<ffffffff810497b4>] ? warn_slowpath_common+0x78/0x8c May 15 14:13:19 lintx2 kernel: [ 3560.467478] [<ffffffffa00db647>] ? ceph_add_cap+0x38e/0x49e [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.467489] [<ffffffffa00d220a>] ? fill_inode+0x4eb/0x602 [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.467498] [<ffffffff811157ad>] ? __d_instantiate+0x8b/0xda May 15 14:13:19 lintx2 kernel: [ 3560.467508] [<ffffffffa00d317d>] ? ceph_readdir_prepopulate+0x2de/0x375 [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.467521] [<ffffffffa00e2d3f>] ? dispatch+0xa35/0xef2 [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.467529] [<ffffffff8136453c>] ? retint_restore_args+0x5/0x6 May 15 14:13:19 lintx2 kernel: [ 3560.467540] [<ffffffffa00ae841>] ? ceph_tcp_recvmsg+0x43/0x4f [libceph] May 15 14:13:19 lintx2 kernel: [ 3560.467551] [<ffffffffa00b0821>] ? con_work+0x1070/0x13b8 [libceph] May 15 14:13:19 lintx2 kernel: [ 3560.467560] [<ffffffff81006f7f>] ? xen_restore_fl_direct_reloc+0x4/0x4 May 15 14:13:19 lintx2 kernel: [ 3560.467569] [<ffffffff81044549>] ? update_curr+0xbc/0x160 May 15 14:13:19 lintx2 kernel: [ 3560.467577] [<ffffffff81362d0d>] ? __schedule+0x5a0/0x5cd May 15 14:13:19 lintx2 kernel: [ 3560.467587] [<ffffffffa00af7b1>] ? try_write+0xbe1/0xbe1 [libceph] May 15 14:13:19 lintx2 kernel: [ 3560.467596] [<ffffffff8105f897>] ? process_one_work+0x1cc/0x2ea May 15 14:13:19 lintx2 kernel: [ 3560.467605] [<ffffffff8105fae2>] ? worker_thread+0x12d/0x247 May 15 14:13:19 lintx2 kernel: [ 3560.467613] [<ffffffff8105f9b5>] ? process_one_work+0x2ea/0x2ea May 15 14:13:19 lintx2 kernel: [ 3560.467622] [<ffffffff810632ed>] ? kthread+0x7a/0x82 May 15 14:13:19 lintx2 kernel: [ 3560.467630] [<ffffffff8136b974>] ? kernel_thread_helper+0x4/0x10 May 15 14:13:19 lintx2 kernel: [ 3560.467639] [<ffffffff81369a33>] ? int_ret_from_sys_call+0x7/0x1b May 15 14:13:19 lintx2 kernel: [ 3560.467647] [<ffffffff8136453c>] ? retint_restore_args+0x5/0x6 May 15 14:13:19 lintx2 kernel: [ 3560.467656] [<ffffffff8136b970>] ? gs_change+0x13/0x13 May 15 14:13:19 lintx2 kernel: [ 3560.467663] ---[ end trace 111652db8892cd8d ]--- May 15 14:13:19 lintx2 kernel: [ 3560.467777] ------------[ cut here ]------------ May 15 14:13:19 lintx2 kernel: [ 3560.467787] WARNING: at /build/buildd-linux-2.6_3.2.15-1~bpo60+1-amd64-Rdi2JW/linux-2.6-3.2.15/debian/build/source_amd64_none/fs/ceph/caps.c:590 ceph_add_cap+0x38e/0x49e [ceph]() May 15 14:13:19 lintx2 kernel: [ 3560.467801] Modules linked in: cryptd aes_x86_64 aes_generic cbc ceph libceph crc32c libcrc32c evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache xen_netfront xen_blkfront May 15 14:13:19 lintx2 kernel: [ 3560.470923] Pid: 18, comm: kworker/0:1 Tainted: G W 3.2.0-0.bpo.2-amd64 #1 May 15 14:13:19 lintx2 kernel: [ 3560.470923] Call Trace: May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff810497b4>] ? warn_slowpath_common+0x78/0x8c May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffffa00db647>] ? ceph_add_cap+0x38e/0x49e [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffffa00d220a>] ? fill_inode+0x4eb/0x602 [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff811157ad>] ? __d_instantiate+0x8b/0xda May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffffa00d317d>] ? ceph_readdir_prepopulate+0x2de/0x375 [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffffa00e2d3f>] ? dispatch+0xa35/0xef2 [ceph] May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff8136453c>] ? retint_restore_args+0x5/0x6 May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffffa00ae841>] ? ceph_tcp_recvmsg+0x43/0x4f [libceph] May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffffa00b0821>] ? con_work+0x1070/0x13b8 [libceph] May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff81006f7f>] ? xen_restore_fl_direct_reloc+0x4/0x4 May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff81044549>] ? update_curr+0xbc/0x160 May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff81362d0d>] ? __schedule+0x5a0/0x5cd May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffffa00af7b1>] ? try_write+0xbe1/0xbe1 [libceph] May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff8105f897>] ? process_one_work+0x1cc/0x2ea May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff8105fae2>] ? worker_thread+0x12d/0x247 May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff8105f9b5>] ? process_one_work+0x2ea/0x2ea May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff810632ed>] ? kthread+0x7a/0x82 May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff8136b974>] ? kernel_thread_helper+0x4/0x10 May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff81369a33>] ? int_ret_from_sys_call+0x7/0x1b May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff8136453c>] ? retint_restore_args+0x5/0x6 May 15 14:13:19 lintx2 kernel: [ 3560.470923] [<ffffffff8136b970>] ? gs_change+0x13/0x13 May 15 14:13:19 lintx2 kernel: [ 3560.470923] ---[ end trace 111652db8892cd8e ]--- Regards Martin -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
