Mark Tinguely-3 wrote: > > The perl script to recreate this problem is very similar to xfstest 273. > I use that because it avoids all the filesystem mount/unmount that > happen between the test 273 loops. You can build the log size that you > want to test, create the directories and let it run until it hangs. > I tested xfstest 273, and it looks like it exhibits a different issue than the OP in this thread. For example, if I run this test in a while [1] loop, I get the following backtrace: [16413.073946] XFS (sda5): Invalid block length (0xfffff48b) for buffer [16413.073963] BUG: unable to handle kernel NULL pointer dereference at 0000000000000130 [16413.074274] IP: [<ffffffffa02bb870>] uuid_is_nil+0x10/0x50 [xfs] [16413.074602] PGD 156f3b067 PUD 10bebb067 PMD 0 [16413.074942] Oops: 0000 [#1] SMP [16413.075379] CPU 0 [16413.075385] Modules linked in: xfs ppdev serio_raw snd_hda_codec_realtek nouveau ttm drm_kms_helper drm i2c_algo_bit mxm_wmi wmi snd_hda_intel video snd_hda_codec parport_pc snd_hwdep snd_pcm snd_timer snd soundcore snd_page_alloc mac_hid lp parport usbhid floppy hid r8169 pata_jmicron [16413.076830] [16413.077334] Pid: 22295, comm: mount Not tainted 3.2.0-23-generic #36-Ubuntu Gigabyte Technology Co., Ltd. EP45-DS3L/EP45-DS3L [16413.077881] RIP: 0010:[<ffffffffa02bb870>] [<ffffffffa02bb870>] uuid_is_nil+0x10/0x50 [xfs] [16413.077924] RSP: 0018:ffff88010c96bab8 EFLAGS: 00010206 [16413.077924] RAX: 0000000000000000 RBX: ffff88010e734800 RCX: 0000000000000000 [16413.077924] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000130 [16413.077924] RBP: ffff88010c96bab8 R08: 0000000000000000 R09: 00000000000422a2 [16413.077924] R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000130 [16413.077924] R13: 0000000000000000 R14: ffff880113f23900 R15: ffff88010e758200 [16413.077924] FS: 00007f698c270800(0000) GS:ffff88015fc00000(0000) knlGS:0000000000000000 [16413.077924] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [16413.077924] CR2: 0000000000000130 CR3: 0000000156ee9000 CR4: 00000000000006f0 [16413.077924] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [16413.077924] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [16413.077924] Process mount (pid: 22295, threadinfo ffff88010c96a000, task ffff88015686dbc0) [16413.077924] Stack: [16413.077924] ffff88010c96bad8 ffffffffa02ee027 fffffffffffff48a 0000000000000001 [16413.077924] ffff88010c96bb48 ffffffffa02eec7f ffff88010e758200 0000000000000000 [16413.077924] 000000000c96bb70 ffff88010c96bb80 ffff88010c96bb48 0000000000000000 [16413.077924] Call Trace: [16413.077924] [<ffffffffa02ee027>] xlog_header_check_mount+0x27/0xb0 [xfs] [16413.077924] [<ffffffffa02eec7f>] xlog_find_verify_log_record+0x10f/0x200 [xfs] [16413.077924] [<ffffffffa02f0d44>] xlog_find_head+0x2f4/0x360 [xfs] [16413.077924] [<ffffffffa02f0de8>] xlog_find_tail+0x38/0x400 [xfs] [16413.077924] [<ffffffffa02f2a5e>] xlog_recover+0x1e/0x90 [xfs] [16413.077924] [<ffffffffa02fad79>] xfs_log_mount+0xa9/0x180 [xfs] [16413.077924] [<ffffffffa02f56d2>] xfs_mountfs+0x362/0x690 [xfs] [16413.077924] [<ffffffffa02b32d2>] ? xfs_mru_cache_create+0x162/0x190 [xfs] [16413.077924] [<ffffffffa02a96e0>] ? _xfs_filestream_pick_ag+0x1e0/0x1e0 [xfs] [16413.077924] [<ffffffffa02b54ee>] xfs_fs_fill_super+0x1de/0x290 [xfs] [16413.077924] [<ffffffff8117aa46>] mount_bdev+0x1c6/0x210 [16413.077924] [<ffffffffa02b5310>] ? xfs_parseargs+0xbc0/0xbc0 [xfs] [16413.077924] [<ffffffffa02b3615>] xfs_fs_mount+0x15/0x20 [xfs] [16413.077924] [<ffffffff8117b5d3>] mount_fs+0x43/0x1b0 [16413.077924] [<ffffffff81195e1a>] vfs_kern_mount+0x6a/0xc0 [16413.077924] [<ffffffff81197324>] do_kern_mount+0x54/0x110 [16413.077924] [<ffffffff81198e74>] do_mount+0x1a4/0x260 [16413.077924] [<ffffffff81199350>] sys_mount+0x90/0xe0 [16413.077924] [<ffffffff81664a82>] system_call_fastpath+0x16/0x1b [16413.077924] Code: 08 66 c1 c2 08 c1 e0 10 0f b7 d2 09 d0 89 06 8b 07 0f c8 89 46 04 c3 0f 1f 40 00 55 48 89 e5 66 66 66 66 90 31 c0 48 85 ff 74 25 <80> 3f 00 75 20 48 8d 47 01 48 83 c7 10 0f 1f 00 0f b6 10 48 83 [16413.077924] RIP [<ffffffffa02bb870>] uuid_is_nil+0x10/0x50 [xfs] [16413.077924] RSP <ffff88010c96bab8> [16413.077924] CR2: 0000000000000130 [16413.103203] ---[ end trace 6914a6803053df67 ]--- Did you get similar backtraces when looking at this test? Thanks, --chris j arges -- View this message in context: http://old.nabble.com/Still-seeing-hangs-in-xlog_grant_log_space-tp33732886p33996217.html Sent from the Xfs - General mailing list archive at Nabble.com. _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
