[Bug 735188] New: btrfs: crash during normal operation (btrfs/inode.c:1581)
https://bugzilla.novell.com/show_bug.cgi?id=735188 https://bugzilla.novell.com/show_bug.cgi?id=735188#c0 Summary: btrfs: crash during normal operation (btrfs/inode.c:1581) Classification: openSUSE Product: openSUSE 12.1 Version: Final Platform: x86-64 OS/Version: SuSE Other Status: NEW Severity: Critical Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: delder@novacoast.com QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20100101 Firefox/8.0 I'm using en encrypted VG with btrfs / and /home on top with compress and ssd enabled. During normal system operation (browsing firefox, reading email in evolution, etc...) the desktop (Gnome) stopped refreshing but I could still move the mouse. Switching to a virtual terminal allowed me to have normal access and I was able to restart xdm and everything appeared to be working correctly. A few minutes later the system dropped to a terminal with a kernel error and froze. Here's what I was able to retrieve from syslog after reboot: Dec 6 13:53:01 delder kernel: [ 8345.879941] kernel BUG at /home/abuild/rpmbuild/BUILD/kernel-desktop-3.1.0/linux-3.1/fs/btrfs/inode.c:1581! Dec 6 13:53:01 delder kernel: [ 8345.879951] invalid opcode: 0000 [#1] PREEMPT SMP Dec 6 13:53:01 delder kernel: [ 8345.879962] CPU 2 Dec 6 13:53:01 delder kernel: [ 8345.879965] Modules linked in: xfs usblp af_packet ip6t_LOG xt_tcpudp xt_pkttype ipt_LOG xt_limit vmnet ppdev parport_pc parport fuse vsock vmci vmmon ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT iptable_raw iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables tun cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq mperf microcode binfmt_misc arc4 snd_hda_codec_hdmi sr_mod cdrom uvcvideo videodev v4l2_compat_ioctl32 nouveau i2400m_usb ttm i2400m drm_kms_helper wimax drm i2c_algo_bit mxm_wmi qcserial usb_wwan sg usbserial joydev iwlagn i7core_edac pcspkr edac_core iTCO_wdt firewire_ohci mac80211 firewire_core tpm_tis tpm sdhci_pci sdhci i2c_i801 xhci_hcd iTCO_vendor_support mmc_core crc_itu_t cfg80211 snd_hda_codec_conexant tpm_bios battery e1000e thinkpad_acpi rfkill mei(C) ac snd_hda_intel wmi snd_ Dec 6 13:53:01 delder kernel: hda_codec snd_hwdep snd_pcm snd_timer snd video soundcore snd_page_alloc button autofs4 btrfs zlib_deflate sha256_generic cbc dm_crypt dm_mod linear thermal processor thermal_sys Dec 6 13:53:01 delder kernel: [ 8345.880308] Dec 6 13:53:01 delder kernel: [ 8345.880312] Pid: 501, comm: btrfs-fixup-0 Tainted: G C 3.1.0-1.2-desktop #1 LENOVO 4318CTO/4318CTO Dec 6 13:53:01 delder kernel: [ 8345.880326] RIP: 0010:[<ffffffffa00878a2>] [<ffffffffa00878a2>] btrfs_writepage_fixup_worker+0x142/0x150 [btrfs] Dec 6 13:53:01 delder kernel: [ 8345.880356] RSP: 0018:ffff880423bb7e10 EFLAGS: 00010246 Dec 6 13:53:01 delder kernel: [ 8345.880362] RAX: 0000000000000000 RBX: ffffea000af9fb38 RCX: 0000000000000000 Dec 6 13:53:01 delder kernel: [ 8345.880370] RDX: ffff880423bb7dd8 RSI: ffffffffffffffff RDI: ffff8801454348e0 Dec 6 13:53:01 delder kernel: [ 8345.880378] RBP: 0000000000000000 R08: 0000000000000010 R09: ffff880423bb7dc8 Dec 6 13:53:01 delder kernel: [ 8345.880386] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801454349b8 Dec 6 13:53:01 delder kernel: [ 8345.880393] R13: 0000000000000000 R14: 0000000000000fff R15: ffff880145434850 Dec 6 13:53:01 delder kernel: [ 8345.880401] FS: 0000000000000000(0000) GS:ffff88043fc80000(0000) knlGS:0000000000000000 Dec 6 13:53:01 delder kernel: [ 8345.880410] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Dec 6 13:53:01 delder kernel: [ 8345.880417] CR2: 00007f09d91aa000 CR3: 0000000001c05000 CR4: 00000000000006e0 Dec 6 13:53:01 delder kernel: [ 8345.880424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Dec 6 13:53:01 delder kernel: [ 8345.880432] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Dec 6 13:53:01 delder kernel: [ 8345.880440] Process btrfs-fixup-0 (pid: 501, threadinfo ffff880423bb6000, task ffff8804236dc0c0) Dec 6 13:53:01 delder kernel: [ 8345.880448] Stack: Dec 6 13:53:01 delder kernel: [ 8345.880452] 0000000000000000 ffff8803ffd33248 0000000000000000 ffff88039e00f3c8 Dec 6 13:53:01 delder kernel: [ 8345.880466] ffff88043fcd24c0 ffff880423db5ac0 ffff880423bb7ea8 ffff880423bb7e98 Dec 6 13:53:01 delder kernel: [ 8345.880480] ffff880423db5b10 ffff8804236dc0c0 ffff880423db5ac8 ffffffffa00abcb1 Dec 6 13:53:01 delder kernel: [ 8345.880493] Call Trace: Dec 6 13:53:01 delder kernel: [ 8345.880557] [<ffffffffa00abcb1>] worker_loop+0xa1/0x2a0 [btrfs] Dec 6 13:53:01 delder kernel: [ 8345.880641] [<ffffffff81075c8e>] kthread+0x7e/0x90 Dec 6 13:53:01 delder kernel: [ 8345.880653] [<ffffffff815a5474>] kernel_thread_helper+0x4/0x10 Dec 6 13:53:01 delder kernel: [ 8345.880662] Code: 00 48 8d 4c 24 18 41 b8 50 00 00 00 4c 89 f2 48 89 ee 4c 89 ff e8 df 83 01 00 eb b3 48 89 df e8 d5 e1 06 e1 0f 1f 44 00 00 eb 92 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 41 56 48 b8 00 00 00 Dec 6 13:53:01 delder kernel: [ 8345.880766] RIP [<ffffffffa00878a2>] btrfs_writepage_fixup_worker+0x142/0x150 [btrfs] Dec 6 13:53:01 delder kernel: [ 8345.880788] RSP <ffff880423bb7e10> Dec 6 13:53:01 delder kernel: [ 8345.918626] ---[ end trace fc297c5bef6920ab ]--- Reproducible: Couldn't Reproduce Steps to Reproduce: I had similar issues with btrfs and SLE 11 SP2 beta9 and below, I haven't tested with RC1. This is a random occurrence, I can't reproduce this reliably. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=735188
https://bugzilla.novell.com/show_bug.cgi?id=735188#c
David Sterba
https://bugzilla.novell.com/show_bug.cgi?id=735188
https://bugzilla.novell.com/show_bug.cgi?id=735188#c1
David Sterba
https://bugzilla.novell.com/show_bug.cgi?id=735188
https://bugzilla.novell.com/show_bug.cgi?id=735188#c2
--- Comment #2 from Dan Elder
https://bugzilla.novell.com/show_bug.cgi?id=735188
https://bugzilla.novell.com/show_bug.cgi?id=735188#c3
--- Comment #3 from David Sterba
I haven't disabled compression (I like to live life dangerously :) but I have disabled ssd and am still able to trigger this (very very rarely). Here's another one if it helps at all:
Compression is safe, just affects timing or interaction with other btrfs features (like autodefrag or no-space corner cases). I'm trying to hunt this bug, it's very hard given the frequency it happens. Thanks for the report, but it just BUGs in a worker thread and does not leave traces to analyze the root cause. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=735188
https://bugzilla.novell.com/show_bug.cgi?id=735188#c4
David Sterba
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