On lastest Linus' git.
[ 4005.426805] BUG: unable to handle kernel NULL pointer dereference at 00000021 [ 4005.426818] IP: [<c109a130>] page_cache_sync_readahead+0x18/0x3e [ 4005.426837] *pde = 00000000 [ 4005.426844] Oops: 0000 [#1] PREEMPT SMP [ 4005.426854] last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:00/PNP0C09:00/PNP0C0A:00/power_supply/BAT0/energy_full [ 4005.426864] Modules linked in: btrfs zlib_deflate crc32c libcrc32c loop coretemp ext2 arc4 ecb iwlagn iwlcore snd_hda_codec_conexant snd_hda_intel mac80211 snd_hda_codec snd_hwdep snd_pcm snd_timer snd uvcvideo e1000e rtc_cmos rtc_core cdc_ether videodev uhci_hcd usbnet sg snd_page_alloc video thinkpad_acpi cdc_acm rtc_lib v4l1_compat mii output ext3 jbd usbhid sd_mod sha256_generic cbc ata_piix ehci_hcd aes_i586 aes_generic libata dm_crypt usbcore scsi_mod nls_base dm_mod [ 4005.426971] [ 4005.426979] Pid: 25838, comm: btrfs Not tainted 2.6.34-rc2 #67 2767BC8/2767BC8 [ 4005.426987] EIP: 0060:[<c109a130>] EFLAGS: 00010206 CPU: 0 [ 4005.426996] EIP is at page_cache_sync_readahead+0x18/0x3e [ 4005.427002] EAX: f58dcb84 EBX: 00000000 ECX: 00000000 EDX: f45efe40 [ 4005.427009] ESI: 00033b43 EDI: f58dcad4 EBP: f4b61ce0 ESP: f4b61cd8 [ 4005.427010] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 4005.427010] Process btrfs (pid: 25838, ti=f4b60000 task=f6680a60 task.ti=f4b60000) [ 4005.427010] Stack: [ 4005.427010] 41c00001 00000001 f4b61d50 f9443902 00000000 00033b43 f93fc3dc f6bf4d80 [ 4005.427010] <0> f4cc74d0 41c00001 00000001 f58dcb4c 00033b42 f58dc9e0 f72e7600 f4b61d2c [ 4005.427010] <0> f45efe40 00000000 00000000 00033b43 41c00000 00000001 00000000 00000000 [ 4005.427010] Call Trace: [ 4005.427010] [<f9443902>] ? relocate_file_extent_cluster+0x195/0x3bd [btrfs] [ 4005.427010] [<f93fc3dc>] ? btrfs_release_path+0x39/0x4a [btrfs] [ 4005.427010] [<f9444bd2>] ? relocate_block_group+0x2be/0x32a [btrfs] [ 4005.427010] [<f9411dd3>] ? btrfs_clean_old_snapshots+0x66/0xd9 [btrfs] [ 4005.427010] [<f9444d87>] ? btrfs_relocate_block_group+0x149/0x2e3 [btrfs] [ 4005.427010] [<f942eecc>] ? btrfs_relocate_chunk+0x5c/0x423 [btrfs] [ 4005.427010] [<c10217cc>] ? kmap_atomic+0x13/0x15 [ 4005.427010] [<f9428f32>] ? map_private_extent_buffer+0x94/0xb6 [btrfs] [ 4005.427010] [<f9428fa3>] ? map_extent_buffer+0x4f/0x7f [btrfs] [ 4005.427010] [<c10216d3>] ? kunmap_atomic+0x6c/0x83 [ 4005.427010] [<f9428aca>] ? unmap_extent_buffer+0x11/0x13 [btrfs] [ 4005.427010] [<f94206dd>] ? btrfs_item_offset+0x98/0xa2 [btrfs] [ 4005.427010] [<f942f856>] ? btrfs_balance+0x20f/0x265 [btrfs] [ 4005.427010] [<f9436ab9>] ? btrfs_ioctl+0x6ad/0x824 [btrfs] [ 4005.427010] [<c10bf8e1>] ? __memcg_event_check+0x50/0x72 [ 4005.427010] [<c11461e2>] ? file_has_perm+0x8c/0xa6 [ 4005.427010] [<c10cf310>] ? vfs_ioctl+0x2c/0x96 [ 4005.427010] [<f943640c>] ? btrfs_ioctl+0x0/0x824 [btrfs] [ 4005.427010] [<c10cf8ac>] ? do_vfs_ioctl+0x48e/0x4cc [ 4005.427010] [<c11463ca>] ? selinux_file_ioctl+0x43/0x46 [ 4005.427010] [<c10cf930>] ? sys_ioctl+0x46/0x66 [ 4005.427010] [<c132ae88>] ? syscall_call+0x7/0xb [ 4005.427010] Code: 8b 48 24 85 c9 74 04 31 d2 ff d1 8d 65 f4 5b 5e 5f c9 c3 55 89 e5 56 53 0f 1f 44 00 00 89 cb 8b 75 0c 8b 4d 08 83 7a 0c 00 74 1f <f6> 43 21 10 74 0b 89 da 56 e8 f5 fc ff ff 5b eb 0e 56 51 89 d9 [ 4005.427010] EIP: [<c109a130>] page_cache_sync_readahead+0x18/0x3e SS:ESP 0068:f4b61cd8 [ 4005.427010] CR2: 0000000000000021 [ 4005.427898] ---[ end trace 0e53ab674cd5bfb9 ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
