(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.
Another panic occurred when I executed it again. 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
