I'm using the Debian packages. Kernel 2.6.35. This occured on a 'df' command while the ceph fs was mounted, but mds/mon/osd were all offline. I hope you find this usefull. - Jan [37668.773921] BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 [37668.776457] IP: [<ffffffff810e16a2>] __kmalloc+0xd3/0x136 [37668.776457] PGD 12091b067 PUD 11036a067 PMD 0 [37668.776457] Oops: 0000 [#1] SMP [37668.776457] last sysfs file: /sys/module/btrfs/initstate [37668.776457] CPU 0 [37668.776457] Modules linked in: ceph fuse bonding loop radeon ttm drm_kms_helper drm it8213 i2c_i801 i2c_algo_bit e1000e shpchp i3200_edac ide_core i2c_core edac_core pci_hotplug parport_pc snd_pcsp parport tpm_tis video tpm container output tpm_bios snd_pcm snd_timer evdev snd button processor soundcore snd_page_alloc ext4 mbcache jbd2 crc16 btrfs zlib_deflate crc32c libcrc32c sd_mod crc_t10dif ata_generic ata_piix libata scsi_mod thermal thermal_sys [37668.776457] [37668.776457] Pid: 25179, comm: cosd Not tainted 2.6.35-trunk-amd64 #1 X7SBi-LN4/X7SBi-LN4 [37668.776457] RIP: 0010:[<ffffffff810e16a2>] [<ffffffff810e16a2>] __kmalloc+0xd3/0x136 [37668.776457] RSP: 0018:ffff88012d9af8a8 EFLAGS: 00010002 [37668.776457] RAX: 0000000000000000 RBX: 0000000000000007 RCX: ffffffffa018d642 [37668.776457] RDX: 0000000100000000 RSI: 0000000000000000 RDI: 0000000000000003 [37668.776457] RBP: ffffffff81625268 R08: ffff880001a124c8 R09: ffff880080375e40 [37668.776457] R10: 0000000000001000 R11: ffffffff81625268 R12: 0000000000000004 [37668.776457] R13: 0000000000000050 R14: 0000000000000050 R15: 0000000000000246 [37668.776457] FS: 00007f0f096fc710(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000 [37668.776457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [37668.776457] CR2: 0000000000000007 CR3: 000000012bf5c000 CR4: 00000000000406f0 [37668.776457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [37668.776457] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [37668.776457] Process cosd (pid: 25179, threadinfo ffff88012d9ae000, task ffff88012e2ba210) [37668.776457] Stack: [37668.776457] ffff880109fbd580 ffffffffa018d642 ffff88012d9af910 ffff88012dff7e00 [37668.776457] <0> ffff880080375e40 ffff880006037758 ffff8800458bd000 ffff88012e3f0400 [37668.776457] <0> 0000000000000001 ffffffffa018d642 ffff88012f67f9c0 ffffffff8110b53d [37668.776457] Call Trace: [37668.776457] [<ffffffffa018d642>] ? btrfs_submit_direct+0x9b/0x233 [btrfs] [37668.776457] [<ffffffffa018d642>] ? btrfs_submit_direct+0x9b/0x233 [btrfs] [37668.776457] [<ffffffff8110b53d>] ? bio_alloc_bioset+0x6c/0xb5 [37668.776457] [<ffffffffa0186993>] ? __btrfs_submit_bio_done+0x0/0x18 [btrfs] [37668.776457] [<ffffffff8110dfdd>] ? dio_bio_submit+0x62/0x8a [37668.776457] [<ffffffff8110e042>] ? dio_send_cur_page+0x3d/0xa1 [37668.776457] [<ffffffff8110e158>] ? submit_page_section+0xb2/0x125 [37668.776457] [<ffffffff8110ea5e>] ? __blockdev_direct_IO_newtrunc+0x6ba/0x95f [37668.776457] [<ffffffff8110ed62>] ? __blockdev_direct_IO+0x5f/0xbd [37668.776457] [<ffffffffa018dfd2>] ? btrfs_get_blocks_direct+0x0/0x409 [btrfs] [37668.776457] [<ffffffffa018d5a7>] ? btrfs_submit_direct+0x0/0x233 [btrfs] [37668.776457] [<ffffffffa0186f00>] ? btrfs_direct_IO+0x22d/0x343 [btrfs] [37668.776457] [<ffffffffa018dfd2>] ? btrfs_get_blocks_direct+0x0/0x409 [btrfs] [37668.776457] [<ffffffffa018d5a7>] ? btrfs_submit_direct+0x0/0x233 [btrfs] [37668.776457] [<ffffffffa018d8e3>] ? btrfs_get_extent+0x0/0x6ef [btrfs] [37668.776457] [<ffffffff810af3cd>] ? generic_file_direct_write+0xdb/0x14f [37668.776457] [<ffffffffa0190592>] ? btrfs_file_aio_write+0x244/0x7da [btrfs] [37668.776457] [<ffffffffa019034e>] ? btrfs_file_aio_write+0x0/0x7da [btrfs] [37668.776457] [<ffffffff810e8ce0>] ? do_sync_readv_writev+0x9a/0xd5 [37668.776457] [<ffffffff810e8a91>] ? copy_from_user+0x18/0x30 [37668.776457] [<ffffffff810e97ff>] ? rw_copy_check_uvector+0x6a/0xe1 [37668.776457] [<ffffffff810e991a>] ? do_readv_writev+0xa4/0x118 [37668.776457] [<ffffffff812ffd81>] ? mutex_lock+0xd/0x33 [37668.776457] [<ffffffff810e9ab3>] ? sys_writev+0x45/0x90 [37668.776457] [<ffffffff810089c2>] ? system_call_fastpath+0x16/0x1b [37668.776457] Code: 0f 1f 44 00 00 49 89 c7 fa 66 0f 1f 44 00 00 65 4c 8b 04 25 80 ea 00 00 48 8b 45 00 49 01 c0 49 8b 18 48 85 db 74 0d 48 63 45 18 <48> 8b 04 03 49 89 00 eb 11 83 ca ff 44 89 f6 48 89 ef e8 a1 f1 [37668.776457] RIP [<ffffffff810e16a2>] __kmalloc+0xd3/0x136 [37668.776457] RSP <ffff88012d9af8a8> [37668.776457] CR2: 0000000000000007 [37669.097165] ---[ end trace b253e7c846e7635e ]--- [37669.098037] ------------[ cut here ]------------ [37669.098040] kernel BUG at /build/mattems-linux-2.6_2.6.35-1~experimental.1-amd64-OCge0v/linux-2.6-2.6.35/debian/build/source_amd64_none/mm/slub.c:2834! [37669.098043] invalid opcode: 0000 [#2] SMP [37669.098045] last sysfs file: /sys/module/btrfs/initstate [37669.098048] CPU 2 [37669.098049] Modules linked in: ceph fuse bonding loop radeon ttm drm_kms_helper drm it8213 i2c_i801 i2c_algo_bit e1000e shpchp i3200_edac ide_core i2c_core edac_core pci_hotplug parport_pc snd_pcsp parport tpm_tis video tpm container output tpm_bios snd_pcm snd_timer evdev snd button processor soundcore snd_page_alloc ext4 mbcache jbd2 crc16 btrfs zlib_deflate crc32c libcrc32c sd_mod crc_t10dif ata_generic ata_piix libata scsi_mod thermal thermal_sys [37669.098079] [37669.098082] Pid: 25309, comm: btrfs-endio-wri Tainted: G D 2.6.35-trunk-amd64 #1 X7SBi-LN4/X7SBi-LN4 [37669.098084] RIP: 0010:[<ffffffff810e0755>] [<ffffffff810e0755>] kfree+0x5b/0xc8 [37669.098093] RSP: 0018:ffff88012d54fd90 EFLAGS: 00010246 [37669.098095] RAX: 0200000000000400 RBX: ffff880100000000 RCX: 0000000000001000 [37669.098097] RDX: ffffea0000000000 RSI: ffffea0003800000 RDI: ffff880100000000 [37669.098099] RBP: 0000000000000000 R08: ffff880006037758 R09: ffff88012bf2b100 [37669.098102] R10: dead000000200200 R11: 0000000000000282 R12: ffffffffa018b905 [37669.098104] R13: ffff88012e08f3c8 R14: ffff8800458bd000 R15: ffff8800803750c0 [37669.098106] FS: 0000000000000000(0000) GS:ffff880001b00000(0000) knlGS:0000000000000000 [37669.098109] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [37669.098111] CR2: 00007fb5f41c5cc8 CR3: 000000012bf5c000 CR4: 00000000000406e0 [37669.098113] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [37669.098115] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [37669.098118] Process btrfs-endio-wri (pid: 25309, threadinfo ffff88012d54e000, task ffff88012d938000) [37669.098119] Stack: [37669.098120] ffff88012dff7080 0000000000000000 ffff880006037758 ffffffffa018b905 [37669.098122] <0> ffff880109fbd600 0000000000000286 ffffffffa0180cb6 0000000000000000 [37669.098124] <0> ffff88012e08f3e8 0000000000000286 ffff8800060375d0 ffff880109fbd638 [37669.098126] Call Trace: [37669.098153] [<ffffffffa018b905>] ? btrfs_endio_direct_write+0x23a/0x25b [btrfs] [37669.098163] [<ffffffffa0180cb6>] ? end_workqueue_fn+0x101/0x118 [btrfs] [37669.098174] [<ffffffffa01a6152>] ? worker_loop+0x186/0x4a1 [btrfs] [37669.098183] [<ffffffffa01a5fcc>] ? worker_loop+0x0/0x4a1 [btrfs] [37669.098187] [<ffffffff8105b3a1>] ? kthread+0x75/0x7d [37669.098193] [<ffffffff810097e4>] ? kernel_thread_helper+0x4/0x10 [37669.098195] [<ffffffff8105b32c>] ? kthread+0x0/0x7d [37669.098197] [<ffffffff810097e0>] ? kernel_thread_helper+0x0/0x10 [37669.098198] Code: c5 10 48 83 7d 00 00 eb e6 48 83 fb 10 0f 86 80 00 00 00 48 89 df e8 a9 f0 ff ff 48 89 c6 48 8b 00 84 c0 78 16 66 a9 00 c0 75 04 <0f> 0b eb fe 5b 5d 41 5c 48 89 f7 e9 6d 6b fd ff 48 8b 4c 24 18 [37669.098210] RIP [<ffffffff810e0755>] kfree+0x5b/0xc8 [37669.098213] RSP <ffff88012d54fd90> [37669.098216] ---[ end trace b253e7c846e7635f ]--- [37669.409175] BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 [37669.417002] IP: [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37669.417002] PGD 12091b067 PUD 11036a067 PMD 0 [37669.417002] Oops: 0000 [#3] SMP [37669.417002] last sysfs file: /sys/module/btrfs/initstate [37669.417002] CPU 0 [37669.417002] Modules linked in: ceph fuse bonding loop radeon ttm drm_kms_helper drm it8213 i2c_i801 i2c_algo_bit e1000e shpchp i3200_edac ide_core i2c_core edac_core pci_hotplug parport_pc snd_pcsp parport tpm_tis video tpm container output tpm_bios snd_pcm snd_timer evdev snd button processor soundcore snd_page_alloc ext4 mbcache jbd2 crc16 btrfs zlib_deflate crc32c libcrc32c sd_mod crc_t10dif ata_generic ata_piix libata scsi_mod thermal thermal_sys [37669.417002] [37669.417002] Pid: 25182, comm: cosd Tainted: G D 2.6.35-trunk-amd64 #1 X7SBi-LN4/X7SBi-LN4 [37669.417002] RIP: 0010:[<ffffffff810e2fef>] [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37669.417002] RSP: 0018:ffff88012d401d78 EFLAGS: 00010002 [37669.417002] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00000000000000e6 [37669.417002] RDX: 0000000100000000 RSI: ffff88012d401da8 RDI: 0000000000000003 [37669.417002] RBP: ffffffff81625268 R08: ffff880001a124c8 R09: ffff88012d401e78 [37669.417002] R10: 0000000000000005 R11: 00007f0f07ef63f0 R12: 0000000000000005 [37669.417002] R13: 00000000000000d0 R14: 00000000000000d0 R15: ffffffff81100c58 [37669.417002] FS: 00007f0f07ef9710(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000 [37669.417002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [37669.417002] CR2: 0000000000000007 CR3: 000000012bf5c000 CR4: 00000000000406f0 [37669.417002] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [37669.417002] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [37669.417002] Process cosd (pid: 25182, threadinfo ffff88012d400000, task ffff88012e2b8000) [37669.417002] Stack: [37669.417002] ffff88012bbd1898 0000000000000246 ffff88012bbd1948 0000000000000000 [37669.417002] <0> 0000000000000005 00007f0efc684000 0000000000000005 0000000000a43ec0 [37669.417002] <0> 00007f0efc055c50 ffffffff810bf59d 0000000000000000 ffff88012fb88780 [37669.417002] Call Trace: [37669.417002] [<ffffffff810bf59d>] ? memdup_user+0x1c/0x57 [37669.417002] [<ffffffff81100c58>] ? setxattr+0x96/0xed [37669.417002] [<ffffffff810df7f7>] ? virt_to_head_page+0x9/0x2a [37669.417002] [<ffffffff810f3ae5>] ? user_path_at+0x52/0x78 [37669.417002] [<ffffffff81181380>] ? _atomic_dec_and_lock+0x30/0x4c [37669.417002] [<ffffffff81100d91>] ? sys_setxattr+0x60/0x85 [37669.417002] [<ffffffff810089c2>] ? system_call_fastpath+0x16/0x1b [37669.417002] Code: 44 00 00 48 89 44 24 08 fa 66 0f 1f 44 00 00 65 4c 8b 04 25 80 ea 00 00 48 8b 45 00 49 01 c0 49 8b 18 48 85 db 74 0d 48 63 45 18 <48> 8b 04 03 49 89 00 eb 14 4c 89 f9 83 ca ff 44 89 f6 48 89 ef [37669.417002] RIP [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37669.417002] RSP <ffff88012d401d78> [37669.417002] CR2: 0000000000000007 [37669.417002] ---[ end trace b253e7c846e76360 ]--- [37669.417603] BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 [37669.417606] IP: [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37669.417609] PGD 12091b067 PUD 11036a067 PMD 0 [37669.417611] Oops: 0000 [#4] SMP [37669.417612] last sysfs file: /sys/module/btrfs/initstate [37669.417614] CPU 0 [37669.417614] Modules linked in: ceph fuse bonding loop radeon ttm drm_kms_helper drm it8213 i2c_i801 i2c_algo_bit e1000e shpchp i3200_edac ide_core i2c_core edac_core pci_hotplug parport_pc snd_pcsp parport tpm_tis video tpm container output tpm_bios snd_pcm snd_timer evdev snd button processor soundcore snd_page_alloc ext4 mbcache jbd2 crc16 btrfs zlib_deflate crc32c libcrc32c sd_mod crc_t10dif ata_generic ata_piix libata scsi_mod thermal thermal_sys [37669.417630] [37669.417632] Pid: 25183, comm: cosd Tainted: G D 2.6.35-trunk-amd64 #1 X7SBi-LN4/X7SBi-LN4 [37669.417634] RIP: 0010:[<ffffffff810e2fef>] [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37669.417637] RSP: 0018:ffff88012da83d78 EFLAGS: 00010002 [37669.417639] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00000000000000e6 [37669.417641] RDX: 0000000100000000 RSI: ffff88012da83da8 RDI: 0000000000000003 [37669.417643] RBP: ffffffff81625268 R08: ffff880001a124c8 R09: ffff88012da83e78 [37669.417644] R10: 0000000000000005 R11: 00007f0f076f53f0 R12: 0000000000000005 [37669.417646] R13: 00000000000000d0 R14: 00000000000000d0 R15: ffffffff81100c58 [37669.417648] FS: 00007f0f076f8710(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000 [37669.417650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [37669.417652] CR2: 0000000000000007 CR3: 000000012bf5c000 CR4: 00000000000406f0 [37669.417654] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [37669.417656] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [37669.417658] Process cosd (pid: 25183, threadinfo ffff88012da82000, task ffff88012e2bdf60) [37669.417659] Stack: [37669.417660] ffff88012bbd1c70 0000000000000246 ffff88012bbd1d20 0000000000000000 [37669.417661] <0> 0000000000000005 00007f0ef4012000 0000000000000005 0000000000a43ec0 [37669.417663] <0> 0000000000b26ce0 ffffffff810bf59d 0000000000000000 ffff880110824000 [37669.417666] Call Trace: [37669.417668] [<ffffffff810bf59d>] ? memdup_user+0x1c/0x57 [37669.417671] [<ffffffff81100c58>] ? setxattr+0x96/0xed [37669.417673] [<ffffffff810df7f7>] ? virt_to_head_page+0x9/0x2a [37669.417675] [<ffffffff810f3ae5>] ? user_path_at+0x52/0x78 [37669.417677] [<ffffffff81181380>] ? _atomic_dec_and_lock+0x30/0x4c [37669.417679] [<ffffffff81100d91>] ? sys_setxattr+0x60/0x85 [37669.417682] [<ffffffff810089c2>] ? system_call_fastpath+0x16/0x1b [37669.417683] Code: 44 00 00 48 89 44 24 08 fa 66 0f 1f 44 00 00 65 4c 8b 04 25 80 ea 00 00 48 8b 45 00 49 01 c0 49 8b 18 48 85 db 74 0d 48 63 45 18 <48> 8b 04 03 49 89 00 eb 14 4c 89 f9 83 ca ff 44 89 f6 48 89 ef [37669.417695] RIP [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37669.417698] RSP <ffff88012da83d78> [37669.417699] CR2: 0000000000000007 [37669.417700] ---[ end trace b253e7c846e76361 ]--- [37670.273456] BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 [37670.277433] IP: [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37670.277433] PGD 12eb9d067 PUD 12d6b4067 PMD 0 [37670.277433] Oops: 0000 [#5] SMP [37670.304018] last sysfs file: /sys/module/btrfs/initstate [37670.304018] CPU 0 [37670.304018] Modules linked in: ceph fuse bonding loop radeon ttm drm_kms_helper drm it8213 i2c_i801 i2c_algo_bit e1000e shpchp i3200_edac ide_core i2c_core edac_core pci_hotplug parport_pc snd_pcsp parport tpm_tis video tpm container output tpm_bios snd_pcm snd_timer evdev snd button processor soundcore snd_page_alloc ext4 mbcache jbd2 crc16 btrfs zlib_deflate crc32c libcrc32c sd_mod crc_t10dif ata_generic ata_piix libata scsi_mod thermal thermal_sys [37670.304018] [37670.304018] Pid: 25003, comm: cmon Tainted: G D 2.6.35-trunk-amd64 #1 X7SBi-LN4/X7SBi-LN4 [37670.304018] RIP: 0010:[<ffffffff810e2fef>] [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37670.304018] RSP: 0018:ffff88012dff1d08 EFLAGS: 00010002 [37670.304018] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000006 [37670.304018] RDX: 0000000100000000 RSI: 0000000000000000 RDI: 0000000000000003 [37670.304018] RBP: ffffffff81625268 R08: ffff880001a124c8 R09: ffff88005a67b000 [37670.304018] R10: ffff88012f8c7a80 R11: ffff88005a67b010 R12: 0000000000000006 [37670.304018] R13: 00000000000000d0 R14: 00000000000000d0 R15: ffffffff810f19c4 [37670.304018] FS: 00007f6e560f5710(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000 [37670.304018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [37670.304018] CR2: 0000000000000007 CR3: 000000012e669000 CR4: 00000000000406f0 [37670.304018] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [37670.304018] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [37670.304018] Process cmon (pid: 25003, threadinfo ffff88012dff0000, task ffff88011bd9d890) [37670.304018] Stack: [37670.304018] ffff88012b862730 0000000000000246 0000000000000003 ffff88012f8c7b20 [37670.304018] <0> ffff88012f8c7a80 ffff88012b862730 ffff88012f8c7780 ffff88012dff1df8 [37670.304018] <0> ffff88012b862730 ffffffff810bf71c ffff88012f8c7a80 0000000000000006 [37670.304018] Call Trace: [37670.304018] [<ffffffff810bf71c>] ? kstrdup+0x2a/0x40 [37670.304018] [<ffffffff810f19c4>] ? vfs_rename+0xa9/0x3e4 [37670.304018] [<ffffffff810f0d29>] ? __lookup_hash+0xc2/0xe9 [37670.304018] [<ffffffff810f3348>] ? sys_renameat+0x1aa/0x22b [37670.304018] [<ffffffff8108ef4f>] ? rcu_start_gp+0x1f7/0x218 [37670.304018] [<ffffffff810ea13a>] ? fput+0x18f/0x1c4 [37670.304018] [<ffffffff810fd9ea>] ? mntput_no_expire+0x23/0xde [37670.304018] [<ffffffff810e7829>] ? filp_close+0x5f/0x6a [37670.304018] [<ffffffff810089c2>] ? system_call_fastpath+0x16/0x1b [37670.304018] Code: 44 00 00 48 89 44 24 08 fa 66 0f 1f 44 00 00 65 4c 8b 04 25 80 ea 00 00 48 8b 45 00 49 01 c0 49 8b 18 48 85 db 74 0d 48 63 45 18 <48> 8b 04 03 49 89 00 eb 14 4c 89 f9 83 ca ff 44 89 f6 48 89 ef [37670.304018] RIP [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37670.304018] RSP <ffff88012dff1d08> [37670.304018] CR2: 0000000000000007 [37670.304018] ---[ end trace b253e7c846e76362 ]--- [37670.729093] BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 [37670.732993] IP: [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37670.732993] PGD 12dccf067 PUD 12dc97067 PMD 0 [37670.732993] Oops: 0000 [#6] SMP [37670.732993] last sysfs file: /sys/module/btrfs/initstate [37670.732993] CPU 0 [37670.732993] Modules linked in: ceph fuse bonding loop radeon ttm drm_kms_helper drm it8213 i2c_i801 i2c_algo_bit e1000e shpchp i3200_edac ide_core i2c_core edac_core pci_hotplug parport_pc snd_pcsp parport tpm_tis video tpm container output tpm_bios snd_pcm snd_timer evdev snd button processor soundcore snd_page_alloc ext4 mbcache jbd2 crc16 btrfs zlib_deflate crc32c libcrc32c sd_mod crc_t10dif ata_generic ata_piix libata scsi_mod thermal thermal_sys [37670.732993] [37670.732993] Pid: 25212, comm: cosd Tainted: G D 2.6.35-trunk-amd64 #1 X7SBi-LN4/X7SBi-LN4 [37670.732993] RIP: 0010:[<ffffffff810e2fef>] [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37670.732993] RSP: 0018:ffff88012d4a5d78 EFLAGS: 00010002 [37670.732993] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00000000000000e6 [37670.841005] RDX: 0000000100000000 RSI: ffff88012d4a5da8 RDI: 0000000000000003 [37670.841005] RBP: ffffffff81625268 R08: ffff880001a124c8 R09: ffff88012d4a5e78 [37670.841005] R10: 0000000000000005 R11: 00007fb5fc3dd3f0 R12: 0000000000000005 [37670.841005] R13: 00000000000000d0 R14: 00000000000000d0 R15: ffffffff81100c58 [37670.841005] FS: 00007fb5fc3e0710(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000 [37670.841005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [37670.841005] CR2: 0000000000000007 CR3: 000000012dd3d000 CR4: 00000000000406f0 [37670.841005] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [37670.841005] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [37670.841005] Process cosd (pid: 25212, threadinfo ffff88012d4a4000, task ffff88012f000da0) [37670.841005] Stack: [37670.841005] ffff88012bbd2048 0000000000000246 ffff88012bbd20f8 0000000000000000 [37670.841005] <0> 0000000000000005 00000000024f3000 0000000000000005 0000000002497ec0 [37670.841005] <0> 00000000025cac50 ffffffff810bf59d 0000000000000000 ffff88005bbd2180 [37670.841005] Call Trace: [37670.841005] [<ffffffff810bf59d>] ? memdup_user+0x1c/0x57 [37670.841005] [<ffffffff81100c58>] ? setxattr+0x96/0xed [37670.841005] [<ffffffff810df7f7>] ? virt_to_head_page+0x9/0x2a [37670.841005] [<ffffffff810f3ae5>] ? user_path_at+0x52/0x78 [37670.841005] [<ffffffff81181380>] ? _atomic_dec_and_lock+0x30/0x4c [37670.841005] [<ffffffff81100d91>] ? sys_setxattr+0x60/0x85 [37670.841005] [<ffffffff810089c2>] ? system_call_fastpath+0x16/0x1b [37670.841005] Code: 44 00 00 48 89 44 24 08 fa 66 0f 1f 44 00 00 65 4c 8b 04 25 80 ea 00 00 48 8b 45 00 49 01 c0 49 8b 18 48 85 db 74 0d 48 63 45 18 <48> 8b 04 03 49 89 00 eb 14 4c 89 f9 83 ca ff 44 89 f6 48 89 ef [37670.841005] RIP [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37670.841005] RSP <ffff88012d4a5d78> [37670.841005] CR2: 0000000000000007 [37670.841005] ---[ end trace b253e7c846e76363 ]--- [37670.878220] BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 [37670.878223] IP: [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37670.878226] PGD 12dccf067 PUD 12dc97067 PMD 0 [37670.878228] Oops: 0000 [#7] SMP [37670.878230] last sysfs file: /sys/module/btrfs/initstate [37670.878231] CPU 0 [37670.878232] Modules linked in: ceph fuse bonding loop radeon ttm drm_kms_helper drm it8213 i2c_i801 i2c_algo_bit e1000e shpchp i3200_edac ide_core i2c_core edac_core pci_hotplug parport_pc snd_pcsp parport tpm_tis video tpm container output tpm_bios snd_pcm snd_timer evdev snd button processor soundcore snd_page_alloc ext4 mbcache jbd2 crc16 btrfs zlib_deflate crc32c libcrc32c sd_mod crc_t10dif ata_generic ata_piix libata scsi_mod thermal thermal_sys [37670.878250] [37670.878252] Pid: 25213, comm: cosd Tainted: G D 2.6.35-trunk-amd64 #1 X7SBi-LN4/X7SBi-LN4 [37670.878253] RIP: 0010:[<ffffffff810e2fef>] [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37670.878257] RSP: 0018:ffff88012bf89d78 EFLAGS: 00010002 [37670.878258] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00000000000000e6 [37670.878260] RDX: 0000000100000000 RSI: ffff88012bf89da8 RDI: 0000000000000003 [37670.878262] RBP: ffffffff81625268 R08: ffff880001a124c8 R09: ffff88012bf89e78 [37670.878264] R10: 0000000000000005 R11: 00007fb5fbbdc3f0 R12: 0000000000000005 [37670.878266] R13: 00000000000000d0 R14: 00000000000000d0 R15: ffffffff81100c58 [37670.878268] FS: 00007fb5fbbdf710(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000 [37670.878270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [37670.878271] CR2: 0000000000000007 CR3: 000000012dd3d000 CR4: 00000000000406f0 [37670.878273] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [37670.878275] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [37670.878277] Process cosd (pid: 25213, threadinfo ffff88012bf88000, task ffff88012f0073d0) [37670.878278] Stack: [37670.878279] ffff88012ba6c560 0000000000000246 ffff88012ba6c610 0000000000000000 [37670.878281] <0> 0000000000000005 00007fb5e89cc000 0000000000000005 00007fb5fbbdec40 [37670.878283] <0> 00000000025d8c50 ffffffff810bf59d 0000000000000000 ffff88012b8336c0 [37670.878285] Call Trace: [37670.878288] [<ffffffff810bf59d>] ? memdup_user+0x1c/0x57 [37670.878290] [<ffffffff81100c58>] ? setxattr+0x96/0xed [37670.878292] [<ffffffff810df7f7>] ? virt_to_head_page+0x9/0x2a [37670.878294] [<ffffffff810f3ae5>] ? user_path_at+0x52/0x78 [37670.878296] [<ffffffff810df7f7>] ? virt_to_head_page+0x9/0x2a [37670.878299] [<ffffffff810f34ee>] ? do_unlinkat+0x10d/0x149 [37670.878302] [<ffffffff81181380>] ? _atomic_dec_and_lock+0x30/0x4c [37670.878304] [<ffffffff81100d91>] ? sys_setxattr+0x60/0x85 [37670.878307] [<ffffffff810089c2>] ? system_call_fastpath+0x16/0x1b [37670.878308] Code: 44 00 00 48 89 44 24 08 fa 66 0f 1f 44 00 00 65 4c 8b 04 25 80 ea 00 00 48 8b 45 00 49 01 c0 49 8b 18 48 85 db 74 0d 48 63 45 18 <48> 8b 04 03 49 89 00 eb 14 4c 89 f9 83 ca ff 44 89 f6 48 89 ef [37670.878320] RIP [<ffffffff810e2fef>] __kmalloc_track_caller+0xc7/0x12d [37670.878323] RSP <ffff88012bf89d78> [37670.878324] CR2: 0000000000000007 [37670.878326] ---[ end trace b253e7c846e76364 ]--- [37671.450883] BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 [37671.455481] IP: [<ffffffff810e16a2>] __kmalloc+0xd3/0x136 [37671.455481] PGD 12dccf067 PUD 12dc97067 PMD 0 [37671.455481] Oops: 0000 [#8] SMP [37671.455481] last sysfs file: /sys/module/btrfs/initstate [37671.455481] CPU 0 [37671.455481] Modules linked in: ceph fuse bonding loop radeon ttm drm_kms_helper drm it8213 i2c_i801 i2c_algo_bit e1000e shpchp i3200_edac ide_core i2c_core edac_core pci_hotplug parport_pc snd_pcsp parport tpm_tis video tpm container output tpm_bios snd_pcm snd_timer evdev snd button processor soundcore snd_page_alloc ext4 mbcache jbd2 crc16 btrfs zlib_deflate crc32c libcrc32c sd_mod crc_t10dif ata_generic ata_piix libata scsi_mod thermal thermal_sys [37671.455481] [37671.455481] Pid: 25209, comm: cosd Tainted: G D 2.6.35-trunk-amd64 #1 X7SBi-LN4/X7SBi-LN4 [37671.455481] RIP: 0010:[<ffffffff810e16a2>] [<ffffffff810e16a2>] __kmalloc+0xd3/0x136 [37671.455481] RSP: 0018:ffff88012dae58a8 EFLAGS: 00010002 [37671.455481] RAX: 0000000000000000 RBX: 0000000000000007 RCX: ffffffffa018d642 [37671.455481] RDX: 0000000000000000 RSI: ffff8800cf43da80 RDI: 0000000000000003 [37671.455481] RBP: ffffffff81625268 R08: ffff880001a124c8 R09: ffff880080375540 [37671.455481] R10: 0000000000001000 R11: ffff8800cf43d080 R12: 0000000000000004 [37671.455481] R13: 0000000000000050 R14: 0000000000000050 R15: 0000000000000246 [37671.455481] FS: 00007fb5fdbe3710(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000 [37671.455481] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [37671.455481] CR2: 0000000000000007 CR3: 000000012dd3d000 CR4: 00000000000406f0 [37671.455481] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [37671.455481] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [37671.455481] Process cosd (pid: 25209, threadinfo ffff88012dae4000, task ffff88012f005890) [37671.455481] Stack: [37671.455481] ffff88012bb65368 ffffffffa018d642 ffff88012dae5910 ffff88012dff7fc0 [37671.455481] <0> ffff880080375540 ffff88012bb654c0 ffff880096186000 ffff8800c2a76800 [37671.455481] <0> 0000000000000001 ffffffffa018d642 ffff88012f67f9c0 ffffffff8110b53d [37671.455481] Call Trace: [37671.455481] [<ffffffffa018d642>] ? btrfs_submit_direct+0x9b/0x233 [btrfs] [37671.455481] [<ffffffffa018d642>] ? btrfs_submit_direct+0x9b/0x233 [btrfs] [37671.455481] [<ffffffff8110b53d>] ? bio_alloc_bioset+0x6c/0xb5 [37671.455481] [<ffffffff8110dfdd>] ? dio_bio_submit+0x62/0x8a [37671.455481] [<ffffffff8110e042>] ? dio_send_cur_page+0x3d/0xa1 [37671.455481] [<ffffffff8110e158>] ? submit_page_section+0xb2/0x125 [37671.455481] [<ffffffff8110ea5e>] ? __blockdev_direct_IO_newtrunc+0x6ba/0x95f [37671.455481] [<ffffffff8110ed62>] ? __blockdev_direct_IO+0x5f/0xbd [37671.455481] [<ffffffffa018dfd2>] ? btrfs_get_blocks_direct+0x0/0x409 [btrfs] [37671.455481] [<ffffffffa018d5a7>] ? btrfs_submit_direct+0x0/0x233 [btrfs] [37671.455481] [<ffffffffa0186f00>] ? btrfs_direct_IO+0x22d/0x343 [btrfs] [37671.455481] [<ffffffffa018dfd2>] ? btrfs_get_blocks_direct+0x0/0x409 [btrfs] [37671.455481] [<ffffffffa018d5a7>] ? btrfs_submit_direct+0x0/0x233 [btrfs] [37671.455481] [<ffffffffa018d8e3>] ? btrfs_get_extent+0x0/0x6ef [btrfs] [37671.455481] [<ffffffff810af3cd>] ? generic_file_direct_write+0xdb/0x14f [37671.455481] [<ffffffffa0190592>] ? btrfs_file_aio_write+0x244/0x7da [btrfs] [37671.455481] [<ffffffffa019034e>] ? btrfs_file_aio_write+0x0/0x7da [btrfs] [37671.455481] [<ffffffff810e8ce0>] ? do_sync_readv_writev+0x9a/0xd5 [37671.455481] [<ffffffff810e8a91>] ? copy_from_user+0x18/0x30 [37671.455481] [<ffffffff810e97ff>] ? rw_copy_check_uvector+0x6a/0xe1 [37671.455481] [<ffffffff810e991a>] ? do_readv_writev+0xa4/0x118 [37671.455481] [<ffffffff81300740>] ? rwsem_down_read_failed+0x22/0x2b [37671.455481] [<ffffffff812ffd81>] ? mutex_lock+0xd/0x33 [37671.455481] [<ffffffff81189787>] ? call_rwsem_wake+0x17/0x30 [37671.455481] [<ffffffff810e9ab3>] ? sys_writev+0x45/0x90 [37671.455481] [<ffffffff810089c2>] ? system_call_fastpath+0x16/0x1b [37671.455481] Code: 0f 1f 44 00 00 49 89 c7 fa 66 0f 1f 44 00 00 65 4c 8b 04 25 80 ea 00 00 48 8b 45 00 49 01 c0 49 8b 18 48 85 db 74 0d 48 63 45 18 <48> 8b 04 03 49 89 00 eb 11 83 ca ff 44 89 f6 48 89 ef e8 a1 f1 [37671.455481] RIP [<ffffffff810e16a2>] __kmalloc+0xd3/0x136 [37671.455481] RSP <ffff88012dae58a8> [37671.455481] CR2: 0000000000000007 [37671.455481] ---[ end trace b253e7c846e76365 ]--- -- 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
