On Fri, Apr 9, 2010 at 6:23 AM, Carlos R. Mafra <crmaf...@gmail.com> wrote: > I've just got this bug in the latest 2.6.34-rc3-00388 kernel. > > I wasn't doing anything fancy, just doing some 'git log' in a small wmaker > repo I have here. After I got this bug the cpu went to 100% and I had to > reboot with the button because the laptop was not responding to any commands > (but the mouse was moving and X seemed ok) > > I have the full dmesg (64 KB) which I can upload somewhere if needed. But > for now I just would like to know if this bug is known to people in the list. > > [ 8150.547096] ------------[ cut here ]------------ > [ 8150.547101] kernel BUG at /home/mafra/linux-2.6/fs/btrfs/volumes.c:2828! > [ 8150.547103] invalid opcode: 0000 [#1] SMP > [ 8150.547107] last sysfs file: > /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq > [ 8150.547109] CPU 1 > [ 8150.547111] Modules linked in: ppp_deflate ppp_async ppp_generic slhc > option usbserial snd_seq snd_seq_device uvcvideo snd_hda_codec_idt snd_hda_in > tel iwlagn sky2 snd_hda_codec ehci_hcd snd_hwdep i2c_i801 > evdev > [ 8150.547125] > [ 8150.547128] Pid: 1606, comm: btrfs-delalloc- Not tainted > 2.6.34-rc3-00388-gf5284e7 #48 VAIO/VGN-FZ240E > [ 8150.547131] RIP: 0010:[<ffffffff811b39a9>] [<ffffffff811b39a9>] > btrfs_rmap_block+0x2c9/0x2d0 > [ 8150.547139] RSP: 0018:ffff88007aeab7f0 EFLAGS: 00010246 > [ 8150.547142] RAX: 0000000000000000 RBX: 0000000000010000 RCX: > ffffffffffffffff > [ 8150.547144] RDX: 0000001e821d0000 RSI: 0000001e821d0000 RDI: > ffff88007ef1fa28 > [ 8150.547147] RBP: ffff88007aeab870 R08: 0000000000000000 R09: > ffff88007aeab8a8 > [ 8150.547149] R10: 0000000000000000 R11: ffff88005ae73580 R12: > 0000000000000000 > [ 8150.547151] R13: ffff88007ae9c0e8 R14: ffff88007aeab8ac R15: > ffff88007aeab8a8 > [ 8150.547154] FS: 0000000000000000(0000) GS:ffff880001b00000(0000) > knlGS:0000000000000000 > [ 8150.547157] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 8150.547159] CR2: 00007f4adf3d9000 CR3: 0000000001812000 CR4: > 00000000000006e0 > [ 8150.547161] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 8150.547164] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [ 8150.547166] Process btrfs-delalloc- (pid: 1606, threadinfo > ffff88007aeaa000, task ffff88007f330280) > [ 8150.547168] Stack: > [ 8150.547170] 00000000000009b8 ffff880000000001 ffff88007acf7000 > 00ffffff811a0eb5 > [ 8150.547173] <0> 0000000000000001 00002202400000cc ffff88007aeaa000 > ffff88007aeab8a8 > [ 8150.547178] <0> ffff88007aeab8a0 0000001e821d0000 ffff88007aeab860 > ffff88007ae6fd80 > [ 8150.547182] Call Trace: > [ 8150.547188] [<ffffffff8117bdb1>] exclude_super_stripes+0x61/0x110 > [ 8150.547193] [<ffffffff8119dc30>] ? __tree_search+0x90/0x120 > [ 8150.547196] [<ffffffff8117c906>] btrfs_make_block_group+0x136/0x320 > [ 8150.547200] [<ffffffff811b6fd6>] __btrfs_alloc_chunk+0x616/0x740 > [ 8150.547203] [<ffffffff811b716f>] btrfs_alloc_chunk+0x6f/0xa0 > [ 8150.547207] [<ffffffff8117d546>] do_chunk_alloc+0x166/0x230 > [ 8150.547210] [<ffffffff8117f7d9>] find_free_extent+0x939/0x9f0 > [ 8150.547214] [<ffffffff8117fab5>] btrfs_reserve_extent+0xc5/0x1b0 > [ 8150.547218] [<ffffffff814f3559>] ? mutex_lock+0x19/0x50 > [ 8150.547227] [<ffffffff8119572d>] submit_compressed_extents+0x10d/0x3f0 > [ 8150.547231] [<ffffffff81195a8f>] async_cow_submit+0x7f/0x90 > [ 8150.547234] [<ffffffff811b80c6>] run_ordered_completions+0x76/0xe0 > [ 8150.547237] [<ffffffff811b898a>] worker_loop+0x15a/0x580 > [ 8150.547240] [<ffffffff811b8830>] ? worker_loop+0x0/0x580 > [ 8150.547243] [<ffffffff8105b6ce>] kthread+0x8e/0xa0 > [ 8150.547248] [<ffffffff81003ad4>] kernel_thread_helper+0x4/0x10 > [ 8150.547250] [<ffffffff8105b640>] ? kthread+0x0/0xa0 > [ 8150.547259] [<ffffffff81003ad0>] ? kernel_thread_helper+0x0/0x10 > [ 8150.547261] Code: 00 00 48 c7 c7 68 ce 75 81 e8 34 ab e8 ff 4c 8b 5d 90 4c > 8b 55 98 4c 8b 4d b0 48 8b 4d a0 48 8b 45 a8 e9 af fe ff ff 0f 0b eb fe > <0f> 0b eb fe 0f 1f 00 55 48 89 e5 41 55 49 89 d5 41 54 49 89 f4 > [ 8150.547292] RIP [<ffffffff811b39a9>] btrfs_rmap_block+0x2c9/0x2d0 > [ 8150.547296] RSP <ffff88007aeab7f0> > [ 8150.547310] ---[ end trace 6c5e0e4f829c2aeb ]---
This has been fixed by commit http://git.kernel.org/?p=linux/kernel/git/mason/btrfs-unstable.git;a=commit;h=9f680ce04ea19dabbbafe01b57b61930a9b70741 Yan, Zheng -- 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
