(2011/06/07 15:17), Tsutomu Itoh wrote: > (2011/06/07 14:59), Tsutomu Itoh wrote: >> Hi liubo, >> >> (2011/06/07 14:31), liubo wrote: >>> On 06/06/2011 04:33 PM, Tsutomu Itoh wrote: >>>> Hi, >>>> >>>> I encountered following panic using 'btrfs-unstable + for-linus' >>>> kernel. >>>> >>>> I ran "btrfs fi bal /test5" command, and mount option of /test5 >>>> is as follows: >>>> >>>> /dev/sdc3 on /test5 type btrfs (rw,space_cache,compress=lzo,inode_cache) >>>> >>> >>> So, just a "btrfs fi bal" would lead to the bug? >> >> I think so. >> >>> >>> I've figured out the warnings, but not reproduced the bug yet... >>> I used 'btrfs-unstable + for-linus" whose top commit is >>> >>> commit aa0467d8d2a00e75b2bb6a56a4ee6d70c5d1928f >>> Author: David Sterba <dste...@suse.cz> >>> Date: Fri Jun 3 16:29:08 2011 +0200 >>> >>> btrfs: fix uninitialized variable warning >> >> It's same of my environment. >> >>> >>> and tried on 1) a single disk, 2) 2 disks and 3) 4 disks respectively, >>> but none of them leaded to the below bug. >> >> The test script and the volume composition that I am executing are >> same as following mail. >> >> http://marc.info/?l=linux-btrfs&m=130680171426371&w=2 >> >> and, in my environment, panic is done within almost 30 minutes when >> test script is executed.
I forgot to write. I am adding '-o inode_cache' to the mount option in my test script. > > Another panic occurred when I executed it again. > I rebuilt the kernel with 3.0-rc2. but, same problem occurred. <4>[ 131.708325] WARNING: at fs/btrfs/transaction.c:213 start_transaction+0x74/0x259 [btrfs]() <4>[ 131.708329] Hardware name: PRIMERGY <4>[ 131.708330] Modules linked in: autofs4 sunrpc 8021q garp stp llc cpufreq_ondemand acpi_cpufreq freq_table mperf ipv6 btrfs zlib_deflate crc32c libcrc32c ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm uinput ppdev parport_pc parport sg pcspkr i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support tg3 shpchp pci_hotplug i3000_edac edac_core ext4 mbcache jbd2 crc16 sd_mod crc_t10dif sr_mod cdrom megaraid_sas pata_acpi ata_generic ata_piix libata scsi_mod floppy [last unloaded: microcode] <4>[ 131.708378] Pid: 3041, comm: btrfs Not tainted 3.0.0-rc2test #1 <4>[ 131.708381] Call Trace: <4>[ 131.708388] [<ffffffff8104514a>] warn_slowpath_common+0x85/0x9d <4>[ 131.708392] [<ffffffff8104517c>] warn_slowpath_null+0x1a/0x1c <4>[ 131.708410] [<ffffffffa02a6f8b>] start_transaction+0x74/0x259 [btrfs] <4>[ 131.708430] [<ffffffffa02bf965>] ? btrfs_wait_ordered_range+0xf9/0x11d [btrfs] <4>[ 131.708448] [<ffffffffa02a73ed>] btrfs_start_transaction+0x13/0x15 [btrfs] <4>[ 131.708467] [<ffffffffa02aec08>] btrfs_evict_inode+0x113/0x22d [btrfs] <4>[ 131.708471] [<ffffffff81123a98>] evict+0x77/0x118 <4>[ 131.708475] [<ffffffff81123ec1>] iput+0x13d/0x146 <4>[ 131.708489] [<ffffffffa02939c9>] btrfs_remove_block_group+0x14d/0x35b [btrfs] <4>[ 131.708508] [<ffffffffa02c6ff7>] btrfs_relocate_chunk+0x464/0x50d [btrfs] <4>[ 131.708527] [<ffffffffa02c54ce>] ? btrfs_item_key_to_cpu+0x2a/0x46 [btrfs] <4>[ 131.708545] [<ffffffffa02c7672>] btrfs_balance+0x1ca/0x219 [btrfs] <4>[ 131.708563] [<ffffffffa02cfbfd>] btrfs_ioctl+0x890/0xb87 [btrfs] <4>[ 131.708567] [<ffffffff810e87c8>] ? handle_mm_fault+0x233/0x24a <4>[ 131.708572] [<ffffffff813a6e25>] ? do_page_fault+0x340/0x3b2 <4>[ 131.708577] [<ffffffff8111d6f8>] do_vfs_ioctl+0x474/0x4c3 <4>[ 131.708581] [<ffffffff810ffd25>] ? virt_to_head_page+0xe/0x31 <4>[ 131.708585] [<ffffffff81100fcc>] ? kmem_cache_free+0x20/0xae <4>[ 131.708588] [<ffffffff8111d79d>] sys_ioctl+0x56/0x79 <4>[ 131.708592] [<ffffffff813aa542>] system_call_fastpath+0x16/0x1b <4>[ 131.708595] ---[ end trace 5f962f46d3ba5425 ]--- <6>[ 131.708777] btrfs: relocating block group 29360128 flags 20 <6>[ 132.385682] btrfs: found 85 extents <0>[ 132.798892] ------------[ cut here ]------------ <2>[ 132.799014] kernel BUG at fs/btrfs/extent-tree.c:1424! <0>[ 132.799014] invalid opcode: 0000 [#1] SMP <4>[ 132.799014] CPU 0 <4>[ 132.799014] Modules linked in: autofs4 sunrpc 8021q garp stp llc cpufreq_ondemand acpi_cpufreq freq_table mperf ipv6 btrfs zlib_deflate crc32c libcrc32c ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm uinput ppdev parport_pc parport sg pcspkr i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support tg3 shpchp pci_hotplug i3000_edac edac_core ext4 mbcache jbd2 crc16 sd_mod crc_t10dif sr_mod cdrom megaraid_sas pata_acpi ata_generic ata_piix libata scsi_mod floppy [last unloaded: microcode] <4>[ 132.799014] <4>[ 132.799014] Pid: 3041, comm: btrfs Tainted: G W 3.0.0-rc2test #1 FUJITSU-SV PRIMERGY /D2399 <4>[ 132.799014] RIP: 0010:[<ffffffffa0296c86>] [<ffffffffa0296c86>] lookup_inline_extent_backref+0xe3/0x3a9 [btrfs] <4>[ 132.799014] RSP: 0018:ffff880193aa5808 EFLAGS: 00010202 <4>[ 132.799014] RAX: 0000000000000001 RBX: ffff880192fac000 RCX: 0000000000000002 <4>[ 132.799014] RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 132.799014] RBP: ffff880193aa58a8 R08: 000000000000029c R09: ffff880193aa56f0 <4>[ 132.799014] R10: ffff880193aa5648 R11: c2d107e744029d66 R12: 00000000000000b2 <4>[ 132.799014] R13: ffff880195075b88 R14: 0000000000000001 R15: 0000000000000000 <4>[ 132.799014] FS: 00007faaaf421740(0000) GS:ffff88019fc00000(0000) knlGS:0000000000000000 <4>[ 132.799014] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b <4>[ 132.799014] CR2: 00000033cfeda340 CR3: 00000001946b5000 CR4: 00000000000006f0 <4>[ 132.799014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 <4>[ 132.799014] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 <4>[ 132.799014] Process btrfs (pid: 3041, threadinfo ffff880193aa4000, task ffff88019463ad80) <0>[ 132.799014] Stack: <4>[ 132.799014] ffff880192a0fa00 0000000000001000 ffff880194640000 ffff880193aa5950 <4>[ 132.799014] ffff880193aa5848 0000000181f65000 ffff880193aa5848 ffff880193e24000 <4>[ 132.799014] ffffffff93aa5898 ffffffff81101372 0000000181f65000 00000000009000a8 <0>[ 132.799014] Call Trace: <4>[ 132.799014] [<ffffffff81101372>] ? kmem_cache_alloc+0x27/0xee <4>[ 132.799014] [<ffffffffa0299a58>] __btrfs_free_extent+0xc8/0x57f [btrfs] <4>[ 132.799014] [<ffffffff81100f64>] ? kfree+0xbd/0xdd <4>[ 132.799014] [<ffffffffa029a5a9>] run_clustered_refs+0x69a/0x6fa [btrfs] <4>[ 132.799014] [<ffffffffa029a6d7>] btrfs_run_delayed_refs+0xce/0x17c [btrfs] <4>[ 132.799014] [<ffffffffa02a66ac>] btrfs_commit_transaction+0x7e/0x674 [btrfs] <4>[ 132.799014] [<ffffffffa02a5fb0>] ? join_transaction+0x24/0x213 [btrfs] <4>[ 132.799014] [<ffffffff8106085d>] ? wake_up_bit+0x2a/0x2a <4>[ 132.799014] [<ffffffffa02e1b3f>] relocate_block_group+0x4f3/0x51a [btrfs] <4>[ 132.799014] [<ffffffffa02a544d>] ? btrfs_clean_old_snapshots+0x35/0x127 [btrfs] <4>[ 132.799014] [<ffffffffa02e1cb1>] btrfs_relocate_block_group+0x14b/0x282 [btrfs] <4>[ 132.799014] [<ffffffffa02c7037>] ? btrfs_relocate_chunk+0x4a4/0x50d [btrfs] <4>[ 132.799014] [<ffffffffa02c6bfc>] btrfs_relocate_chunk+0x69/0x50d [btrfs] <4>[ 132.799014] [<ffffffffa028b3e1>] ? btrfs_item_key_to_cpu+0x1a/0x36 [btrfs] <4>[ 132.799014] [<ffffffffa02c0bc3>] ? read_extent_buffer+0xba/0xf6 [btrfs] <4>[ 132.799014] [<ffffffffa02c54ce>] ? btrfs_item_key_to_cpu+0x2a/0x46 [btrfs] <4>[ 132.799014] [<ffffffffa02c7672>] btrfs_balance+0x1ca/0x219 [btrfs] <4>[ 132.799014] [<ffffffffa02cfbfd>] btrfs_ioctl+0x890/0xb87 [btrfs] <4>[ 132.799014] [<ffffffff810e87c8>] ? handle_mm_fault+0x233/0x24a <4>[ 132.799014] [<ffffffff813a6e25>] ? do_page_fault+0x340/0x3b2 <4>[ 132.799014] [<ffffffff8111d6f8>] do_vfs_ioctl+0x474/0x4c3 <4>[ 132.799014] [<ffffffff810ffd25>] ? virt_to_head_page+0xe/0x31 <4>[ 132.799014] [<ffffffff81100fcc>] ? kmem_cache_free+0x20/0xae <4>[ 132.799014] [<ffffffff8111d79d>] sys_ioctl+0x56/0x79 <4>[ 132.799014] [<ffffffff813aa542>] system_call_fastpath+0x16/0x1b <0>[ 132.799014] Code: 44 8b 45 a4 48 8b 75 98 48 8d 55 b0 41 b9 01 00 00 00 48 89 d9 4c 89 ef e8 54 96 ff ff 83 f8 00 41 89 c6 0f 8c 94 02 00 00 74 04 <0f> 0b eb fe 4c 8b 33 8b 73 40 4c 89 f7 e8 9d ea ff ff 41 89 c7 <1>[ 132.799014] RIP [<ffffffffa0296c86>] lookup_inline_extent_backref+0xe3/0x3a9 [btrfs] <4>[ 132.799014] RSP <ffff880193aa5808> RSP <ffff880193aa5808> > > device fsid 794aee8608a3c563-e4baafe1f4d8eba5 devid 5 transid 4 /dev/sdc8 > device fsid 794aee8608a3c563-e4baafe1f4d8eba5 devid 1 transid 7 /dev/sdc3 > btrfs: enabling disk space caching > btrfs: use lzo compression > btrfs: enabling inode map caching > device fsid 624604c4bdf670bb-1c9404b53abaa6a3 devid 1 transid 7 /dev/sdd4 > btrfs: disk space caching is enabled > btrfs: relocating block group 1103101952 flags 9 > btrfs: found 540 extents > btrfs: found 540 extents > ------------[ cut here ]------------ > kernel BUG at fs/btrfs/extent-tree.c:1424! > invalid opcode: 0000 [#1] SMP > last sysfs file: > /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/0000:02:03.0/host4/target4:2:3/4:2:3:0/block/sdd/sdd4/alignment_offset > CPU 0 > Modules linked in: autofs4 sunrpc 8021q garp stp llc cpufreq_ondemand > acpi_cpufreq freq_table mperf ipv6 btrfs zlib_deflate crc32c libcrc32c ext3 > jbd dm_mirror dm_region_hash dm_log dm_mod kvm uinput ppdev parport_pc > parport sg pcspkr i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support tg3 shpchp > pci_hotplug i3000_edac edac_core ext4 mbcache jbd2 crc16 sd_mod crc_t10dif > sr_mod cdrom megaraid_sas pata_acpi ata_generic ata_piix libata scsi_mod > floppy [last unloaded: microcode] > > Pid: 3849, comm: btrfs Not tainted 2.6.39btrfs-test+ #4 FUJITSU-SV > PRIMERGY /D2399 > RIP: 0010:[<ffffffffa0325422>] [<ffffffffa0325422>] > lookup_inline_extent_backref+0x2d2/0x3f0 [btrfs] > RSP: 0018:ffff880156d2d7b8 EFLAGS: 00010202 > RAX: 0000000000000001 RBX: ffff8801947f3e20 RCX: ffff880156d2c000 > RDX: 0000000000000008 RSI: ffff880000000000 RDI: 0000000000000000 > RBP: ffff880156d2d858 R08: 0000000000000000 R09: 0000000000000283 > R10: 0000000000000000 R11: 0000000000000015 R12: 00000000000000b2 > R13: ffff88019474b4f8 R14: 0000000000000001 R15: 00000000ffffffff > FS: 00007faaf3753740(0000) GS:ffff88019fc00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > CR2: 00000000017bfea0 CR3: 0000000156e53000 CR4: 00000000000006f0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process btrfs (pid: 3849, threadinfo ffff880156d2c000, task ffff880192a04ab0) > Stack: > ffff880193893000 0000000000001000 ffff880156d2d808 ffff880156d2d920 > ffff880156d2d808 0000000181f61000 0000000000000000 ffff880193893000 > 0000000000000001 ffff880156d2da18 0000000181f61000 00000000009000a8 > Call Trace: > [<ffffffffa03271d6>] __btrfs_free_extent+0xd6/0x730 [btrfs] > [<ffffffffa0356960>] ? map_extent_buffer+0xb0/0xc0 [btrfs] > [<ffffffffa0326d19>] ? update_block_group+0xd9/0x2a0 [btrfs] > [<ffffffffa0327ed8>] run_clustered_refs+0x6a8/0x7f0 [btrfs] > [<ffffffffa03280e8>] btrfs_run_delayed_refs+0xc8/0x210 [btrfs] > [<ffffffffa033638d>] btrfs_commit_transaction+0x7d/0x790 [btrfs] > [<ffffffffa0335ac5>] ? join_transaction+0x25/0x250 [btrfs] > [<ffffffff81081de0>] ? wake_up_bit+0x40/0x40 > [<ffffffffa037f377>] relocate_block_group+0x4e7/0x660 [btrfs] > [<ffffffffa0334d15>] ? btrfs_clean_old_snapshots+0x35/0x150 [btrfs] > [<ffffffffa037f6a3>] btrfs_relocate_block_group+0x1b3/0x2e0 [btrfs] > [<ffffffffa0368d80>] ? btrfs_tree_unlock+0x50/0x50 [btrfs] > [<ffffffffa035e22b>] btrfs_relocate_chunk+0x8b/0x670 [btrfs] > [<ffffffffa031303d>] ? btrfs_set_path_blocking+0x3d/0x50 [btrfs] > [<ffffffffa0357668>] ? read_extent_buffer+0xd8/0x1d0 [btrfs] > [<ffffffffa031be51>] ? btrfs_previous_item+0xb1/0x150 [btrfs] > [<ffffffffa0357668>] ? read_extent_buffer+0xd8/0x1d0 [btrfs] > [<ffffffffa035f43a>] btrfs_balance+0x21a/0x2b0 [btrfs] > [<ffffffff8115dc41>] ? path_openat+0x101/0x3d0 > [<ffffffffa03685bc>] btrfs_ioctl+0x51c/0xc40 [btrfs] > [<ffffffff8111e358>] ? handle_mm_fault+0x148/0x270 > [<ffffffff814809e8>] ? do_page_fault+0x1d8/0x4b0 > [<ffffffff81160d6a>] do_vfs_ioctl+0x9a/0x540 > [<ffffffff811612b1>] sys_ioctl+0xa1/0xb0 > [<ffffffff81484ec2>] system_call_fastpath+0x16/0x1b > Code: 48 8b 75 20 48 89 c3 48 8b 7d 18 e8 c9 bd ff ff 48 39 d8 77 26 b8 1d 00 > 00 00 e9 15 ff ff ff a8 01 0f 85 8c fe ff ff 0f 0b eb fe <0f> 0b eb fe 0f 0b > 0f 1f 84 00 00 00 00 00 eb f6 4c 89 fb 44 8b > RIP [<ffffffffa0325422>] lookup_inline_extent_backref+0x2d2/0x3f0 [btrfs] > RSP <ffff880156d2d7b8> > >> >> Thanks, >> Tsutomu >> >>> >>> I guess maybe I miss something to reproduce it? >>> >>> thanks, >>> liubo >>> >>>> Thanks, >>>> Tsutomu >>>> >>>> ================================================================= >>>> >>>> btrfs: relocating block group 23383244800 flags 20 >>>> btrfs: found 2959 extents >>>> ------------[ cut here ]------------ >>>> WARNING: at fs/btrfs/transaction.c:213 start_transaction+0x2a7/0x2b0 >>>> [btrfs]() >>>> Hardware name: PRIMERGY >>>> Modules linked in: autofs4 sunrpc 8021q garp stp llc cpufreq_ondemand >>>> acpi_cpufr >>>> eq freq_table mperf ipv6 btrfs zlib_deflate crc32c libcrc32c ext3 jbd >>>> dm_mirror >>>> dm_region_hash dm_log dm_mod kvm uinput ppdev parport_pc parport sg pcspkr >>>> i2c_i >>>> 801 i2c_core iTCO_wdt iTCO_vendor_support tg3 shpchp pci_hotplug >>>> i3000_edac edac >>>> _core ext4 mbcache jbd2 crc16 sd_mod crc_t10dif sr_mod cdrom megaraid_sas >>>> pata_a >>>> cpi ata_generic ata_piix libata scsi_mod floppy [last unloaded: microcode] >>>> Pid: 23781, comm: btrfs Tainted: G W 2.6.39btrfs-test+ #4 >>>> Call Trace: >>>> [<ffffffff8106004f>] warn_slowpath_common+0x7f/0xc0 >>>> [<ffffffff810600aa>] warn_slowpath_null+0x1a/0x20 >>>> [<ffffffffa0337047>] start_transaction+0x2a7/0x2b0 [btrfs] >>>> [<ffffffffa035498d>] ? btrfs_wait_ordered_range+0x10d/0x160 [btrfs] >>>> [<ffffffffa0337323>] btrfs_start_transaction+0x13/0x20 [btrfs] >>>> [<ffffffffa033bbca>] btrfs_evict_inode+0x11a/0x260 [btrfs] >>>> [<ffffffff811687f8>] evict+0x78/0x170 >>>> [<ffffffff81168c92>] iput+0xe2/0x1a0 >>>> [<ffffffffa031f171>] btrfs_remove_block_group+0x141/0x3c0 [btrfs] >>>> [<ffffffffa035e6ea>] btrfs_relocate_chunk+0x54a/0x670 [btrfs] >>>> [<ffffffffa0357668>] ? read_extent_buffer+0xd8/0x1d0 [btrfs] >>>> [<ffffffffa031be51>] ? btrfs_previous_item+0xb1/0x150 [btrfs] >>>> [<ffffffffa035f43a>] btrfs_balance+0x21a/0x2b0 [btrfs] >>>> [<ffffffff8115dc41>] ? path_openat+0x101/0x3d0 >>>> [<ffffffffa03685bc>] btrfs_ioctl+0x51c/0xc40 [btrfs] >>>> [<ffffffff8111e358>] ? handle_mm_fault+0x148/0x270 >>>> [<ffffffff814809e8>] ? do_page_fault+0x1d8/0x4b0 >>>> [<ffffffff81160d6a>] do_vfs_ioctl+0x9a/0x540 >>>> [<ffffffff811612b1>] sys_ioctl+0xa1/0xb0 >>>> [<ffffffff81484ec2>] system_call_fastpath+0x16/0x1b >>>> ---[ end trace e5c5cb2e98a3cd1a ]--- >>>> btrfs: relocating block group 20971520 flags 18 >>>> btrfs: relocating block group 34925969408 flags 18 >>>> btrfs: found 1 extents >>>> ------------[ cut here ]------------ >>>> kernel BUG at fs/btrfs/extent-tree.c:6164! >>>> invalid opcode: 0000 [#1] SMP >>>> last sysfs file: /sys/kernel/mm/ksm/run >>>> CPU 0 >>>> Modules linked in: autofs4 sunrpc 8021q garp stp llc cpufreq_ondemand >>>> acpi_cpufreq freq_table mperf ipv6 btrfs zlib_deflate crc32c libcrc32c >>>> ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm uinput ppdev >>>> parport_pc parport sg pcspkr i2c_i801 i2c_core iTCO_wdt >>>> iTCO_vendor_support tg3 shpchp pci_hotplug i3000_edac edac_core ext4 >>>> mbcache jbd2 crc16 sd_mod crc_t10dif sr_mod cdrom megaraid_sas pata_acpi >>>> ata_generic ata_piix libata scsi_mod floppy [last unloaded: microcode] >>>> >>>> Pid: 4109, comm: btrfs Tainted: G W 2.6.39btrfs-test+ #4 >>>> FUJITSU-SV PRIMERGY /D2399 >>>> RIP: 0010:[<ffffffffa0325b95>] [<ffffffffa0325b95>] >>>> walk_up_proc+0x375/0x420 [btrfs] >>>> RSP: 0018:ffff8801801eb9c8 EFLAGS: 00010286 >>>> RAX: 0000000000000005 RBX: ffff880167a70140 RCX: fffffffffffffff8 >>>> RDX: ffff8801801ea000 RSI: ffff880000000000 RDI: ffff880194909fa8 >>>> RBP: ffff8801801eba18 R08: 0000000000000000 R09: 0000000000000005 >>>> R10: 0000000000000001 R11: ffff880194909fa8 R12: 0000000000000000 >>>> R13: ffff88013973d000 R14: ffff88015ad4d9a0 R15: ffff880042203920 >>>> FS: 00007fa86bcb9740(0000) GS:ffff88019fc00000(0000) >>>> knlGS:0000000000000000 >>>> CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >>>> CR2: 00000033cf60b0c0 CR3: 0000000181cf7000 CR4: 00000000000006f0 >>>> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 >>>> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 >>>> Process btrfs (pid: 4109, threadinfo ffff8801801ea000, task >>>> ffff88011a4914a0) >>>> Stack: >>>> ffff8801801eba18 ffff880194909fa8 ffff880100000000 ffffffffa03280e8 >>>> ffff8801801eba58 ffff88015ad4d9a0 0000000000000000 0000000000000000 >>>> ffff8801801ea000 ffff880167a70140 ffff8801801eba78 ffffffffa0325d71 >>>> Call Trace: >>>> [<ffffffffa03280e8>] ? btrfs_run_delayed_refs+0xc8/0x210 [btrfs] >>>> [<ffffffffa0325d71>] walk_up_tree+0x131/0x1b0 [btrfs] >>>> [<ffffffffa03260b0>] btrfs_drop_snapshot+0x2c0/0x5c0 [btrfs] >>>> [<ffffffffa03328b0>] ? btrfs_read_fs_root_no_name+0x1b0/0x280 [btrfs] >>>> [<ffffffffa037b45f>] merge_reloc_roots+0xdf/0x150 [btrfs] >>>> [<ffffffffa037f311>] relocate_block_group+0x481/0x660 [btrfs] >>>> [<ffffffffa0334d15>] ? btrfs_clean_old_snapshots+0x35/0x150 [btrfs] >>>> [<ffffffffa037f6a3>] btrfs_relocate_block_group+0x1b3/0x2e0 [btrfs] >>>> [<ffffffffa0368d80>] ? btrfs_tree_unlock+0x50/0x50 [btrfs] >>>> [<ffffffffa035e22b>] btrfs_relocate_chunk+0x8b/0x670 [btrfs] >>>> [<ffffffffa031303d>] ? btrfs_set_path_blocking+0x3d/0x50 [btrfs] >>>> [<ffffffffa0357668>] ? read_extent_buffer+0xd8/0x1d0 [btrfs] >>>> [<ffffffffa031be51>] ? btrfs_previous_item+0xb1/0x150 [btrfs] >>>> [<ffffffffa0357668>] ? read_extent_buffer+0xd8/0x1d0 [btrfs] >>>> [<ffffffffa035f43a>] btrfs_balance+0x21a/0x2b0 [btrfs] >>>> [<ffffffff8115dc41>] ? path_openat+0x101/0x3d0 >>>> [<ffffffffa03685bc>] btrfs_ioctl+0x51c/0xc40 [btrfs] >>>> [<ffffffff8111e358>] ? handle_mm_fault+0x148/0x270 >>>> [<ffffffff814809e8>] ? do_page_fault+0x1d8/0x4b0 >>>> [<ffffffff81160d6a>] do_vfs_ioctl+0x9a/0x540 >>>> [<ffffffff811612b1>] sys_ioctl+0xa1/0xb0 >>>> [<ffffffff81484ec2>] system_call_fastpath+0x16/0x1b >>>> Code: fe ff ff 0f 1f 00 4c 89 df 31 c9 4c 89 fa 4c 89 ee 44 89 55 c0 4c 89 >>>> 5d b8 e8 c8 d5 ff ff 4c 8b 5d b8 44 8b 55 c0 e9 85 fe ff ff <0f> 0b eb fe >>>> 0f 1f 80 00 00 00 00 65 48 8b 14 25 c8 cc 00 00 48 >>>> RIP [<ffffffffa0325b95>] walk_up_proc+0x375/0x420 [btrfs] >>>> RSP <ffff8801801eb9c8> >>>> >>>> -- 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
