Bug 816072
| Summary: | extract file to btrfs filesystem with tar get call trace | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Mohua Li <moli> |
| Component: | btrfs-progs | Assignee: | Josef Bacik <jbacik> |
| Status: | CLOSED DUPLICATE | QA Contact: | Red Hat Kernel QE team <kernel-qe> |
| Severity: | urgent | Docs Contact: | |
| Priority: | urgent | ||
| Version: | 6.3 | CC: | leiwang, moli, qguan, qwan, rjones, yuzhou |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2012-06-07 14:09:48 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
So I get a similar stack trace when using libguestfs to create
and write to a btrfs filesystem on RHEL 6.3. (Note: it's all
RHEL 6.3, I'm not trying to mix filesytems created on Fedora this
time).
Here's how to reproduce this:
export LIBGUESTFS_DEBUG=1
virt-make-fs -F qcow2 -t btrfs --partition=mbr --size=1G \
libguestfs-1.17.2.tar.gz disk2.qcow2
You can choose any small tarball you happen to have around. The
one I used is ~ 6 MB in size.
This fails with several kernel panics:
[ 4.515425] leaf free space ret -2361, leaf data size 3995, used 6356 nritems 56
[ 4.517293] ------------[ cut here ]------------
[ 4.518370] WARNING: at fs/btrfs/extent_io.c:3646 read_extent_buffer+0x194/0x1d0 [btrfs]() (Tainted: G --------------- T)
[ 4.521126] Hardware name: KVM
[ 4.521801] Modules linked in: btrfs(T) zlib_deflate lzo_decompress lzo_compress dm_mod i2c_piix4 i2c_core ext2 ext4 jbd2 virtio_balloon virtio_pci virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio virtio_ring sd_mod sym53c8xx scsi_transport_spi ata_piix sr_mod cdrom mbcache crc7 crc_ccitt crc_t10dif crc_itu_t libcrc32c
[ 4.529855] Pid: 341, comm: tar Tainted: G --------------- T 2.6.32-262.el6.x86_64 #1
[ 4.531861] Call Trace:
[ 4.532467] [<ffffffff8106b607>] ? warn_slowpath_common+0x87/0xc0
[ 4.533930] [<ffffffff8106b65a>] ? warn_slowpath_null+0x1a/0x20
[ 4.535224] [<ffffffffa0219514>] ? read_extent_buffer+0x194/0x1d0 [btrfs]
[ 4.537108] [<ffffffffa02195eb>] ? copy_extent_buffer+0x9b/0x1c0 [btrfs]
[ 4.538727] [<ffffffffa01db2cb>] ? copy_for_split+0x1bb/0x430 [btrfs]
[ 4.540276] [<ffffffffa01dd842>] ? split_leaf+0x352/0x8a0 [btrfs]
[ 4.541824] [<ffffffffa01d5e8b>] ? generic_bin_search+0x19b/0x210 [btrfs]
[ 4.543425] [<ffffffffa01d87ba>] ? btrfs_leaf_free_space+0x8a/0xe0 [btrfs]
[ 4.545047] [<ffffffffa01de51f>] ? btrfs_search_slot+0x78f/0x8a0 [btrfs]
[ 4.546562] [<ffffffffa01df65d>] ? btrfs_insert_empty_items+0x8d/0xf0 [btrfs]
[ 4.548049] [<ffffffffa01ee7a3>] ? insert_with_overflow+0x43/0x130 [btrfs]
[ 4.549742] [<ffffffffa01eea16>] ? btrfs_insert_dir_item+0x186/0x270 [btrfs]
[ 4.551604] [<ffffffffa01fe0bd>] ? btrfs_add_link+0x9d/0x190 [btrfs]
[ 4.553345] [<ffffffff8121325f>] ? security_inode_init_security+0x1f/0x30
[ 4.554872] [<ffffffffa0231431>] ? btrfs_init_acl+0x51/0x1a0 [btrfs]
[ 4.556669] [<ffffffffa01fe1df>] ? btrfs_add_nondir+0x2f/0x70 [btrfs]
[ 4.558247] [<ffffffffa01fa0f9>] ? btrfs_init_inode_security+0x39/0x50 [btrfs]
[ 4.560010] [<ffffffffa01fe386>] ? btrfs_create+0x166/0x210 [btrfs]
[ 4.561588] [<ffffffff81188284>] ? vfs_create+0xb4/0xe0
[ 4.562810] [<ffffffff8118bdef>] ? do_filp_open+0xb2f/0xd60
[ 4.564406] [<ffffffff81199bb0>] ? mntput_no_expire+0x30/0x110
[ 4.565764] [<ffffffff811875c5>] ? putname+0x35/0x50
[ 4.567068] [<ffffffff81197a02>] ? alloc_fd+0x92/0x160
[ 4.568246] [<ffffffff81177f19>] ? do_sys_open+0x69/0x140
[ 4.569446] [<ffffffff8117b351>] ? sys_write+0x51/0x90
[ 4.570574] [<ffffffff81178030>] ? sys_open+0x20/0x30
[ 4.571050] [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b
[ 4.573235] ---[ end trace bfe97017af3c3b78 ]---
[ 4.574328] ------------[ cut here ]------------
[ 4.575391] WARNING: at fs/btrfs/extent_io.c:3647 read_extent_buffer+0x1b9/0x1d0 [btrfs]() (Tainted: G W --------------- T)
[ 4.577842] Hardware name: KVM
[ 4.578530] Modules linked in: btrfs(T) zlib_deflate lzo_decompress lzo_compress dm_mod i2c_piix4 i2c_core ext2 ext4 jbd2 virtio_balloon virtio_pci virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio virtio_ring sd_mod sym53c8xx scsi_transport_spi ata_piix sr_mod cdrom mbcache crc7 crc_ccitt crc_t10dif crc_itu_t libcrc32c
[ 4.585553] Pid: 341, comm: tar Tainted: G W --------------- T 2.6.32-262.el6.x86_64 #1
[ 4.587406] Call Trace:
[ 4.587921] [<ffffffff8106b607>] ? warn_slowpath_common+0x87/0xc0
[ 4.589395] [<ffffffff8106b65a>] ? warn_slowpath_null+0x1a/0x20
[ 4.590636] [<ffffffffa0219539>] ? read_extent_buffer+0x1b9/0x1d0 [btrfs]
[ 4.592135] [<ffffffffa02195eb>] ? copy_extent_buffer+0x9b/0x1c0 [btrfs]
[ 4.593521] [<ffffffffa01db2cb>] ? copy_for_split+0x1bb/0x430 [btrfs]
[ 4.594945] [<ffffffffa01dd842>] ? split_leaf+0x352/0x8a0 [btrfs]
[ 4.596203] [<ffffffffa01d5e8b>] ? generic_bin_search+0x19b/0x210 [btrfs]
[ 4.597601] [<ffffffffa01d87ba>] ? btrfs_leaf_free_space+0x8a/0xe0 [btrfs]
[ 4.599101] [<ffffffffa01de51f>] ? btrfs_search_slot+0x78f/0x8a0 [btrfs]
[ 4.600488] [<ffffffffa01df65d>] ? btrfs_insert_empty_items+0x8d/0xf0 [btrfs]
[ 4.602150] [<ffffffffa01ee7a3>] ? insert_with_overflow+0x43/0x130 [btrfs]
[ 4.603625] [<ffffffffa01eea16>] ? btrfs_insert_dir_item+0x186/0x270 [btrfs]
[ 4.605166] [<ffffffffa01fe0bd>] ? btrfs_add_link+0x9d/0x190 [btrfs]
[ 4.606470] [<ffffffff8121325f>] ? security_inode_init_security+0x1f/0x30
[ 4.607958] [<ffffffffa0231431>] ? btrfs_init_acl+0x51/0x1a0 [btrfs]
[ 4.609272] [<ffffffffa01fe1df>] ? btrfs_add_nondir+0x2f/0x70 [btrfs]
[ 4.610605] [<ffffffffa01fa0f9>] ? btrfs_init_inode_security+0x39/0x50 [btrfs]
[ 4.612181] [<ffffffffa01fe386>] ? btrfs_create+0x166/0x210 [btrfs]
[ 4.613472] [<ffffffff81188284>] ? vfs_create+0xb4/0xe0
[ 4.614707] [<ffffffff8118bdef>] ? do_filp_open+0xb2f/0xd60
[ 4.615909] [<ffffffff81199bb0>] ? mntput_no_expire+0x30/0x110
[ 4.617114] [<ffffffff811875c5>] ? putname+0x35/0x50
[ 4.618232] [<ffffffff81197a02>] ? alloc_fd+0x92/0x160
[ 4.619300] [<ffffffff81177f19>] ? do_sys_open+0x69/0x140
[ 4.620416] [<ffffffff8117b351>] ? sys_write+0x51/0x90
[ 4.621562] [<ffffffff81178030>] ? sys_open+0x20/0x30
[ 4.622621] [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b
[ 4.623882] ---[ end trace bfe97017af3c3b79 ]---
[ 4.624920] BUG: scheduling while atomic: tar/341/0x10000002
[ 4.625901] Modules linked in: btrfs(T) zlib_deflate lzo_decompress lzo_compress dm_mod i2c_piix4 i2c_core ext2 ext4 jbd2 virtio_balloon virtio_pci virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio virtio_ring sd_mod sym53c8xx scsi_transport_spi ata_piix sr_mod cdrom mbcache crc7 crc_ccitt crc_t10dif crc_itu_t libcrc32c
[ 4.625901] Pid: 341, comm: tar Tainted: G W --------------- T 2.6.32-262.el6.x86_64 #1
[ 4.625901] Call Trace:
[ 4.625901] [<ffffffff81057d66>] ? __schedule_bug+0x66/0x70
[ 4.625901] [<ffffffff814faea8>] ? thread_return+0x646/0x76e
[ 4.625901] [<ffffffff8100bc0e>] ? apic_timer_interrupt+0xe/0x20
[ 4.625901] [<ffffffff814ffd76>] ? kprobe_exceptions_notify+0x16/0x430
[ 4.625901] [<ffffffff8127ce54>] ? memcpy+0x54/0x120
[ 4.625901] [<ffffffff8106234a>] ? __cond_resched+0x2a/0x40
[ 4.625901] [<ffffffff8127ce54>] ? memcpy+0x54/0x120
[ 4.625901] [<ffffffff814fb270>] ? _cond_resched+0x30/0x40
[ 4.625901] [<ffffffff8100df76>] ? is_valid_bugaddr+0x16/0x40
[ 4.625901] [<ffffffff8127026f>] ? report_bug+0x1f/0xc0
[ 4.625901] [<ffffffff8100f28f>] ? die+0x7f/0x90
[ 4.625901] [<ffffffff814fdea2>] ? do_general_protection+0x152/0x160
[ 4.625901] [<ffffffff814fd675>] ? general_protection+0x25/0x30
[ 4.625901] [<ffffffff8127ce54>] ? memcpy+0x54/0x120
[ 4.625901] [<ffffffffa0219458>] ? read_extent_buffer+0xd8/0x1d0 [btrfs]
[ 4.625901] [<ffffffffa02195eb>] ? copy_extent_buffer+0x9b/0x1c0 [btrfs]
[ 4.625901] [<ffffffffa01db2cb>] ? copy_for_split+0x1bb/0x430 [btrfs]
[ 4.625901] [<ffffffffa01dd842>] ? split_leaf+0x352/0x8a0 [btrfs]
[ 4.625901] [<ffffffffa01d5e8b>] ? generic_bin_search+0x19b/0x210 [btrfs]
[ 4.625901] [<ffffffffa01d87ba>] ? btrfs_leaf_free_space+0x8a/0xe0 [btrfs]
[ 4.625901] [<ffffffffa01de51f>] ? btrfs_search_slot+0x78f/0x8a0 [btrfs]
[ 4.625901] [<ffffffffa01df65d>] ? btrfs_insert_empty_items+0x8d/0xf0 [btrfs]
[ 4.625901] [<ffffffffa01ee7a3>] ? insert_with_overflow+0x43/0x130 [btrfs]
[ 4.625901] [<ffffffffa01eea16>] ? btrfs_insert_dir_item+0x186/0x270 [btrfs]
[ 4.625901] [<ffffffffa01fe0bd>] ? btrfs_add_link+0x9d/0x190 [btrfs]
[ 4.625901] [<ffffffff8121325f>] ? security_inode_init_security+0x1f/0x30
[ 4.625901] [<ffffffffa0231431>] ? btrfs_init_acl+0x51/0x1a0 [btrfs]
[ 4.625901] [<ffffffffa01fe1df>] ? btrfs_add_nondir+0x2f/0x70 [btrfs]
[ 4.625901] [<ffffffffa01fa0f9>] ? btrfs_init_inode_security+0x39/0x50 [btrfs]
[ 4.625901] [<ffffffffa01fe386>] ? btrfs_create+0x166/0x210 [btrfs]
[ 4.625901] [<ffffffff81188284>] ? vfs_create+0xb4/0xe0
[ 4.625901] [<ffffffff8118bdef>] ? do_filp_open+0xb2f/0xd60
[ 4.625901] [<ffffffff81199bb0>] ? mntput_no_expire+0x30/0x110
[ 4.625901] [<ffffffff811875c5>] ? putname+0x35/0x50
[ 4.625901] [<ffffffff81197a02>] ? alloc_fd+0x92/0x160
[ 4.625901] [<ffffffff81177f19>] ? do_sys_open+0x69/0x140
[ 4.625901] [<ffffffff8117b351>] ? sys_write+0x51/0x90
[ 4.625901] [<ffffffff81178030>] ? sys_open+0x20/0x30
[ 4.625901] [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b
guestfsd: receive_file: reading length word
guestfsd: receive_file: got chunk: cancel = 0x0, len = 8192, buf = 0x6094710
guestfsd: receive_file: reading length word
guestfsd: receive_file: got chunk: cancel = 0x0, len = 8192, buf = 0x6094710
guestfsd: receive_file: reading length word
guestfsd: receive_file: got chunk: cancel = 0x0, len = 8192, buf = 0x6094710
guestfsd: receive_file: reading length word
guestfsd: receive_file: got chunk: cancel = 0x0, len = 8192, buf = 0x6094710
guestfsd: receive_file: reading length word
guestfsd: receive_file: got chunk: cancel = 0x0, len = 8192, buf = 0x6094710
guestfsd: receive_file: reading length word
guestfsd: receive_file: got chunk: cancel = 0x0, len = 8192, buf = 0x6094710
guestfsd: receive_file: reading length word
guestfsd: receive_file: got chunk: cancel = 0x0, len = 8192, buf = 0x6094710
guestfsd: receive_file: reading length word
guestfsd: receive_file: got chunk: cancel = 0x0, len = 8192, buf = 0x6094710
[ 4.698842] general protection fault: 0000 [#1] SMP
[ 4.699935] last sysfs file: /sys/module/libcrc32c/initstate
[ 4.701095] CPU 0
[ 4.701477] Modules linked in: btrfs(T) zlib_deflate lzo_decompress lzo_compress dm_mod i2c_piix4 i2c_core ext2 ext4 jbd2 virtio_balloon virtio_pci virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio virtio_ring sd_mod sym53c8xx scsi_transport_spi ata_piix sr_mod cdrom mbcache crc7 crc_ccitt crc_t10dif crc_itu_t libcrc32c
[ 4.708695]
[ 4.709057] Pid: 341, comm: tar Tainted: G W --------------- T 2.6.32-262.el6.x86_64 #1 Red Hat KVM
[ 4.711151] RIP: 0010:[<ffffffff8127ce54>] [<ffffffff8127ce54>] memcpy+0x54/0x120
[ 4.712739] RSP: 0018:ffff88001d4897b0 EFLAGS: 00010202
[ 4.713855] RAX: ffff88001d77c652 RBX: ffff88001d119238 RCX: ffff88001d77c652
[ 4.715320] RDX: 000000000000031c RSI: db73880000001000 RDI: ffff88001d77c9ae
[ 4.716797] RBP: ffff88001d4897f8 R08: 0000000000001c0a R09: 0000000000000000
[ 4.718250] R10: 0000000000000005 R11: 000000000000008c R12: 000000000000035c
[ 4.719713] R13: 00000000000009ae R14: ffff88001d488000 R15: 00000000000fffff
[ 4.721222] FS: 00007ff38012c7a0(0000) GS:ffff880002200000(0000) knlGS:0000000000000000
[ 4.722896] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 4.724091] CR2: 0000003d7d75859c CR3: 000000001d795000 CR4: 00000000000006f0
[ 4.725583] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4.727073] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 4.728545] Process tar (pid: 341, threadinfo ffff88001d488000, task ffff88001d727540)
[ 4.730161] Stack:
[ 4.730585] ffffffffa0219458 0000000000000ca4 ffff88001d77c652 00000000000005d5
[ 4.732196] <d> 00000000fffffca4 00000000000009ae ffff88001d488000 0000000000000000
[ 4.733926] <d> ffff88001d1191b0 ffff88001d489858 ffffffffa02195eb ffff880000000000
[ 4.735740] Call Trace:
[ 4.736320] [<ffffffffa0219458>] ? read_extent_buffer+0xd8/0x1d0 [btrfs]
[ 4.737739] [<ffffffffa02195eb>] copy_extent_buffer+0x9b/0x1c0 [btrfs]
[ 4.739127] [<ffffffffa01db2cb>] copy_for_split+0x1bb/0x430 [btrfs]
[ 4.740434] [<ffffffffa01dd842>] split_leaf+0x352/0x8a0 [btrfs]
[ 4.741671] [<ffffffffa01d5e8b>] ? generic_bin_search+0x19b/0x210 [btrfs]
[ 4.743136] [<ffffffffa01d87ba>] ? btrfs_leaf_free_space+0x8a/0xe0 [btrfs]
[ 4.744607] [<ffffffffa01de51f>] btrfs_search_slot+0x78f/0x8a0 [btrfs]
[ 4.745966] [<ffffffffa01df65d>] btrfs_insert_empty_items+0x8d/0xf0 [btrfs]
[ 4.747429] [<ffffffffa01ee7a3>] insert_with_overflow+0x43/0x130 [btrfs]
[ 4.748839] [<ffffffffa01eea16>] btrfs_insert_dir_item+0x186/0x270 [btrfs]
[ 4.750256] [<ffffffffa01fe0bd>] btrfs_add_link+0x9d/0x190 [btrfs]
[ 4.751547] [<ffffffff8121325f>] ? security_inode_init_security+0x1f/0x30
[ 4.752988] [<ffffffffa0231431>] ? btrfs_init_acl+0x51/0x1a0 [btrfs]
[ 4.754302] [<ffffffffa01fe1df>] btrfs_add_nondir+0x2f/0x70 [btrfs]
[ 4.755607] [<ffffffffa01fa0f9>] ? btrfs_init_inode_security+0x39/0x50 [btrfs]
[ 4.757122] [<ffffffffa01fe386>] btrfs_create+0x166/0x210 [btrfs]
[ 4.758378] [<ffffffff81188284>] vfs_create+0xb4/0xe0
[ 4.759449] [<ffffffff8118bdef>] do_filp_open+0xb2f/0xd60
[ 4.760568] [<ffffffff81199bb0>] ? mntput_no_expire+0x30/0x110
[ 4.761821] [<ffffffff811875c5>] ? putname+0x35/0x50
[ 4.762885] [<ffffffff81197a02>] ? alloc_fd+0x92/0x160
[ 4.763961] [<ffffffff81177f19>] do_sys_open+0x69/0x140
[ 4.765080] [<ffffffff8117b351>] ? sys_write+0x51/0x90
[ 4.766170] [<ffffffff81178030>] sys_open+0x20/0x30
[ 4.767212] [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b
[ 4.768433] Code: 76 20 4c 89 07 4c 89 4f 08 4c 89 57 10 4c 89 5f 18 48 8d 7f 20 73 d4 48 83 c2 20 eb 42 48 01 d6 48 01 d7 48 83 ea 20 48 83 ea 20 <4c> 8b 46 f8 4c 8b 4e f0 4c 8b 56 e8 4c 8b 5e e0 48 8d 76 e0 4c
[ 4.774252] RIP [<ffffffff8127ce54>] memcpy+0x54/0x120
[ 4.775356] RSP <ffff88001d4897b0>
[ 4.776107] ---[ end trace bfe97017af3c3b7a ]---
[ 4.777062] Kernel panic - not syncing: Fatal exception
[ 4.778155] Pid: 341, comm: tar Tainted: G D W --------------- T 2.6.32-262.el6.x86_64 #1
[ 4.779942] Call Trace:
[ 4.780476] [<ffffffff814fa1a0>] ? panic+0xa0/0x168
[ 4.781501] [<ffffffff814fe334>] ? oops_end+0xe4/0x100
[ 4.782608] [<ffffffff8100f26b>] ? die+0x5b/0x90
[ 4.783586] [<ffffffff814fdea2>] ? do_general_protection+0x152/0x160
[ 4.784900] [<ffffffff814fd675>] ? general_protection+0x25/0x30
[ 4.786134] [<ffffffff8127ce54>] ? memcpy+0x54/0x120
[ 4.787179] [<ffffffffa0219458>] ? read_extent_buffer+0xd8/0x1d0 [btrfs]
[ 4.788556] [<ffffffffa02195eb>] ? copy_extent_buffer+0x9b/0x1c0 [btrfs]
[ 4.789938] [<ffffffffa01db2cb>] ? copy_for_split+0x1bb/0x430 [btrfs]
[ 4.791265] [<ffffffffa01dd842>] ? split_leaf+0x352/0x8a0 [btrfs]
[ 4.792592] [<ffffffffa01d5e8b>] ? generic_bin_search+0x19b/0x210 [btrfs]
[ 4.794012] [<ffffffffa01d87ba>] ? btrfs_leaf_free_space+0x8a/0xe0 [btrfs]
[ 4.795429] [<ffffffffa01de51f>] ? btrfs_search_slot+0x78f/0x8a0 [btrfs]
[ 4.796823] [<ffffffffa01df65d>] ? btrfs_insert_empty_items+0x8d/0xf0 [btrfs]
[ 4.798299] [<ffffffffa01ee7a3>] ? insert_with_overflow+0x43/0x130 [btrfs]
[ 4.799724] [<ffffffffa01eea16>] ? btrfs_insert_dir_item+0x186/0x270 [btrfs]
[ 4.801186] [<ffffffffa01fe0bd>] ? btrfs_add_link+0x9d/0x190 [btrfs]
[ 4.802500] [<ffffffff8121325f>] ? security_inode_init_security+0x1f/0x30
[ 4.803910] [<ffffffffa0231431>] ? btrfs_init_acl+0x51/0x1a0 [btrfs]
[ 4.805236] [<ffffffffa01fe1df>] ? btrfs_add_nondir+0x2f/0x70 [btrfs]
[ 4.806571] [<ffffffffa01fa0f9>] ? btrfs_init_inode_security+0x39/0x50 [btrfs]
[ 4.808064] [<ffffffffa01fe386>] ? btrfs_create+0x166/0x210 [btrfs]
[ 4.809350] [<ffffffff81188284>] ? vfs_create+0xb4/0xe0
[ 4.810440] [<ffffffff8118bdef>] ? do_filp_open+0xb2f/0xd60
[ 4.811591] [<ffffffff81199bb0>] ? mntput_no_expire+0x30/0x110
[ 4.812807] [<ffffffff811875c5>] ? putname+0x35/0x50
[ 4.813847] [<ffffffff81197a02>] ? alloc_fd+0x92/0x160
[ 4.814921] [<ffffffff81177f19>] ? do_sys_open+0x69/0x140
[ 4.816044] [<ffffffff8117b351>] ? sys_write+0x51/0x90
[ 4.817109] [<ffffffff81178030>] ? sys_open+0x20/0x30
[ 4.818164] [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b
*** This bug has been marked as a duplicate of bug 698324 *** |
Description of problem: try command "tar -C $btrfsmountpoint -xf *.tar" in kvm guest got the call trace as below,and didn't reproduce on the physical with the same kernel version, and also no problem with directly write calltrace: [ 2.828048] [<ffffffffa01d6fef>] ? btrfs_free_path+0x2f/0x40 [btrfs] [ 2.828048] [<ffffffffa01fd627>] ? btrfs_update_inode+0x77/0x100 [btrfs] [ 2.828048] [<ffffffffa01ff9db>] btrfs_mkdir+0x19b/0x1f0 [btrfs] [ 2.828048] [<ffffffff811863f7>] vfs_mkdir+0xa7/0x100 [ 2.828048] [<ffffffff8118951e>] sys_mkdirat+0xfe/0x120 [ 2.828048] [<ffffffff81196292>] ? alloc_fd+0x92/0x160 [ 2.828048] [<ffffffff81185e45>] ? putname+0x35/0x50 [ 2.828048] [<ffffffff81176841>] ? do_sys_open+0x101/0x140 [ 2.828048] [<ffffffff81189558>] sys_mkdir+0x18/0x20 [ 2.828048] [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b [ 2.828048] Code: 4c 89 d2 44 89 f1 4c 89 ee 4c 89 1c 24 4c 89 55 a8 4c 89 5d a0 e8 f2 28 ff ff 4c 8b 5d a0 4c 8b 55 a8 85 c0 75 bc e9 36 ff ff ff <0f> 0b eb fe 48 8b b2 68 fe ff ff 48 8d 7d b0 b9 11 00 00 00 4d [ 2.828048] RIP [<ffffffffa01ff14f>] btrfs_add_link+0x12f/0x190 [btrfs] [ 2.828048] RSP <ffff88001cecbd68> [ 2.871890] ---[ end trace cf2aa1aad09a2a88 ]--- [ 2.872607] Kernel panic - not syncing: Fatal exception [ 2.873496] Pid: 347, comm: tar Tainted: G D --------------- T 2.6.32-251.el6.x86_64 #1 [ 2.874916] Call Trace: [ 2.875314] [<ffffffff814f7312>] ? panic+0xa0/0x168 [ 2.876091] [<ffffffff814fb4a4>] ? oops_end+0xe4/0x100 [ 2.876888] [<ffffffff8100f26b>] ? die+0x5b/0x90 [ 2.877619] [<ffffffff814fad74>] ? do_trap+0xc4/0x160 [ 2.878410] [<ffffffff8100ce35>] ? do_invalid_op+0x95/0xb0 [ 2.879272] [<ffffffffa01ff14f>] ? btrfs_add_link+0x12f/0x190 [btrfs] [ 2.880278] [<ffffffffa021ab1e>] ? set_extent_buffer_dirty+0x4e/0xa0 [btrfs] [ 2.881364] [<ffffffffa01d6fef>] ? btrfs_free_path+0x2f/0x40 [btrfs] [ 2.882348] [<ffffffff8100bedb>] ? invalid_op+0x1b/0x20 [ 2.883172] [<ffffffffa01ff14f>] ? btrfs_add_link+0x12f/0x190 [btrfs] [ 2.884171] [<ffffffffa01ff0bd>] ? btrfs_add_link+0x9d/0x190 [btrfs] [ 2.885159] [<ffffffffa01d6fef>] ? btrfs_free_path+0x2f/0x40 [btrfs] [ 2.886150] [<ffffffffa01fd627>] ? btrfs_update_inode+0x77/0x100 [btrfs] [ 2.887193] [<ffffffffa01ff9db>] ? btrfs_mkdir+0x19b/0x1f0 [btrfs] [ 2.888155] [<ffffffff811863f7>] ? vfs_mkdir+0xa7/0x100 [ 2.888959] [<ffffffff8118951e>] ? sys_mkdirat+0xfe/0x120 [ 2.889814] [<ffffffff81196292>] ? alloc_fd+0x92/0x160 [ 2.890632] [<ffffffff81185e45>] ? putname+0x35/0x50 [ 2.891411] [<ffffffff81176841>] ? do_sys_open+0x101/0x140 [ 2.892276] [<ffffffff81189558>] ? sys_mkdir+0x18/0x20 [ 2.893085] [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b qemu-kvmcmdline: /usr/libexec/qemu-kvm -S -M rhel6.3.0 -enable-kvm -m 1024 -smp 1,sockets=1,cores=1,threads=1 -name rhel6.3 -uuid b0d761f5-8f00-d267-4906-bf4ab7e7597e -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/rhel6.3.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/var/lib/libvirt/images/rhel6.3.img,if=none,id=drive-virtio-disk0,format=raw,cache=none -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -netdev tap,fd=22,id=hostnet0,vhost=on,vhostfd=23 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:7e:69:70,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0 -vnc 127.0.0.1:0 -vga cirrus -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 root 16782 4797 0 15:27 pts/8 00:00:00 grep qemu-kvm Version-Release number of selected component (if applicable): kernel-2.6.32-257.el6.x86_64 qemu-kvm-0.12.1.2-2.285.el6.x86_64 How reproducible: always Steps to Reproduce: 1.modprobe btrfs 2.dd if=/dev/zero of=test.disk bs=1 count=1 seek=2G 3.mkfs.btrfs test.disk 4.mount -o loop test.disk /mnt 5. tar -C /mnt -xf *.tar Actual results: get call trace Expected results: no call trace Additional info: