On Wed, Nov 2, 2011 at 6:40 PM, Chris Mason <chris.ma...@oracle.com> wrote: > On Thu, Nov 03, 2011 at 12:02:31AM +0100, David Sterba wrote: >> This one happened again, exactly same sequence of warnings and the crash >> at the end (same stack traces). It was in integration-scrub branch, ie. >> with all fixes on top. >> >> (I have captured sysrq-w, /proc/pid/stack of all processes and have the >> dmesg logs if anybody is interested.) > > Yes, I'd like to see the logs. We need to figure out if we just failed > with enospc in a critical spot or if there are other bigger problems. >
I'm seeing similar warnings while testing the integration-scrub branch. I'm testing on a 16-GB partition that is less than 20% full when I'm seeing the warning. Let me know if you're still working on this issue, and I'll try to isolate the command that is running. [ 8631.183234] device fsid aff24946-5596-4c19-a6c4-81809ae6bd94 devid 1 transid 7 /dev/sdb6 [ 8631.183483] btrfs: disk space caching is enabled [ 8712.675332] btrfs: block rsv returned -28 [ 8712.675334] ------------[ cut here ]------------ [ 8712.675362] WARNING: at fs/btrfs/extent-tree.c:5837 btrfs_alloc_free_block+0x3e9/0x400 [btrfs]() [ 8712.675364] Hardware name: P35-DS3L [ 8712.675365] Modules linked in: ipv6 snd_seq_midi snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss lgdt330x cx88_dvb cx88_vp3054_i2c videobuf_dvb dvb_core rc_hauppauge tuner_simple tuner_types tda9887 tda8290 tuner nvidia(P) ir_lirc_codec lirc_dev ir_mce_kbd_decoder cx88_alsa cx8800 ir_sony_decoder ir_jvc_decoder ir_rc6_decoder cx8802 cx88xx snd_ens1371 ir_rc5_decoder ir_nec_decoder gameport snd_rawmidi snd_seq_device rc_core i2c_algo_bit snd_ac97_codec videobuf_dma_sg tveeprom v4l2_common videodev media v4l2_compat_ioctl32 videobuf_core btcx_risc iTCO_wdt iTCO_vendor_support intel_agp intel_gtt ac97_bus snd_pcm snd_timer i2c_i801 snd i2c_core snd_page_alloc ppdev parport_pc parport tpm_tis tpm r8169 tpm_bios sr_mod pcspkr iscsi_tcp libiscsi_tcp libiscsi fuse nfs nfs_acl auth_rpcgss lockd sunrpc btrfs zlib_deflate sl811_hcd ohci_hcd uhci_hcd ehci_hcd [ 8712.675409] Pid: 7917, comm: btrfs-transacti Tainted: P 3.1.0-integration-scrub+ #1 [ 8712.675411] Call Trace: [ 8712.675417] [<ffffffff81046e8f>] warn_slowpath_common+0x7f/0xc0 [ 8712.675420] [<ffffffff81046eea>] warn_slowpath_null+0x1a/0x20 [ 8712.675428] [<ffffffffa004a2e9>] btrfs_alloc_free_block+0x3e9/0x400 [btrfs] [ 8712.675435] [<ffffffffa003b621>] ? btrfs_leaf_free_space+0x61/0xb0 [btrfs] [ 8712.675442] [<ffffffffa0039069>] __btrfs_cow_block+0x119/0x560 [btrfs] [ 8712.675451] [<ffffffffa0054070>] ? btrfs_buffer_uptodate+0x50/0x70 [btrfs] [ 8712.675458] [<ffffffffa0039669>] btrfs_cow_block+0x1b9/0x2f0 [btrfs] [ 8712.675465] [<ffffffffa003d640>] btrfs_search_slot+0x5c0/0xa90 [btrfs] [ 8712.675473] [<ffffffffa0048b49>] btrfs_write_dirty_block_groups+0xd9/0x530 [btrfs] [ 8712.675481] [<ffffffffa0048952>] ? btrfs_run_delayed_refs+0xf2/0x210 [btrfs] [ 8712.675490] [<ffffffffa0057475>] commit_cowonly_roots+0x115/0x1e0 [btrfs] [ 8712.675499] [<ffffffffa0058a74>] btrfs_commit_transaction+0x404/0x8a0 [btrfs] [ 8712.675508] [<ffffffffa0057e31>] ? join_transaction.clone.24+0x21/0x240 [btrfs] [ 8712.675511] [<ffffffff81068e30>] ? wake_up_bit+0x40/0x40 [ 8712.675520] [<ffffffffa0051ee3>] transaction_kthread+0x263/0x280 [btrfs] [ 8712.675528] [<ffffffffa0051c80>] ? btrfs_congested_fn+0xb0/0xb0 [btrfs] [ 8712.675536] [<ffffffffa0051c80>] ? btrfs_congested_fn+0xb0/0xb0 [btrfs] [ 8712.675539] [<ffffffff810688a6>] kthread+0x96/0xa0 [ 8712.675542] [<ffffffff816d3b54>] kernel_thread_helper+0x4/0x10 [ 8712.675545] [<ffffffff81068810>] ? kthread_worker_fn+0x1a0/0x1a0 [ 8712.675547] [<ffffffff816d3b50>] ? gs_change+0xb/0xb [ 8712.675549] ---[ end trace 234618ad5fea81a4 ]--- -- 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
