On Sun, Feb 26, 2017 at 07:18:42PM -0500, Dave Jones wrote: > Hitting this fairly frequently.. I'm not sure if this is the same bug I've > been hitting occasionally since 4.9. The assertion looks new to me at least. >
It was recently introduced by my commit and used to catch data loss at truncate. Were you running the test with a mkfs.btrfs -O NO_HOLES? (We just queued a fix for the NO_HOLES case in btrfs-next.) Thanks, -liubo > Dave > > assertion failed: last_size == new_size, file: fs/btrfs/inode.c, line: 4619 > ------------[ cut here ]------------ > kernel BUG at fs/btrfs/ctree.h:3422! > invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > CPU: 3 PID: 15655 Comm: trinity-c25 Not tainted 4.10.0-think+ #9 > task: ffff8804fb128040 task.stack: ffffc90008534000 > RIP: 0010:assfail.constprop.74+0x1c/0x1e [btrfs] > RSP: 0018:ffffc90008537c58 EFLAGS: 00010282 > RAX: 000000000000004b RBX: 0000000000001000 RCX: 0000000000000001 > RDX: 0000000000000000 RSI: ffffffff81cb4173 RDI: 00000000ffffffff > RBP: ffffc90008537c58 R08: 0000000000000000 R09: 0000000000000001 > R10: 0000000000000000 R11: 0000000000000000 R12: ffff8804fe821348 > R13: ffff88047eb5bb88 R14: ffff8804fe821348 R15: 0000000000000005 > FS: 00007f99b77a6b40(0000) GS:ffff880507e00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 00007f99b77a9010 CR3: 000000048c4bf000 CR4: 00000000001406e0 > Call Trace: > btrfs_truncate_inode_items+0xbee/0x11e0 [btrfs] > ? debug_smp_processor_id+0x17/0x20 > btrfs_truncate+0x102/0x2a0 [btrfs] > btrfs_setattr+0x246/0x3b0 [btrfs] > notify_change+0x256/0x440 > do_truncate+0x73/0xc0 > do_sys_ftruncate.constprop.19+0x111/0x170 > ? __this_cpu_preempt_check+0x13/0x20 > SyS_ftruncate+0xe/0x10 > do_syscall_64+0x66/0x1d0 > entry_SYSCALL64_slow_path+0x25/0x25 > RIP: 0033:0x7f99b70d00f9 > RSP: 002b:00007ffd992b7768 EFLAGS: 00000246 > ORIG_RAX: 000000000000004d > RAX: ffffffffffffffda RBX: 000000000000004d RCX: 00007f99b70d00f9 > RDX: 0003680201d80849 RSI: 0000000000000d95 RDI: 0000000000000187 > RBP: 00007f99b76f0000 R08: 0000000000000001 R09: 0000000000000fd7 > R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000002 > R13: 00007f99b76f0048 R14: 00007f99b77a6ad8 R15: 00007f99b76f0000 > Code: 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 55 89 f1 48 c7 c2 b1 f7 11 > a0 48 89 fe 48 89 e5 48 c7 c7 f0 52 12 a0 e8 03 b7 0b e1 <0f> 0b 55 89 f1 48 > c7 c2 a8 fa 11 a0 48 89 fe 48 89 e5 48 c7 c7 > RIP: assfail.constprop.74+0x1c/0x1e [btrfs] RSP: ffffc90008537c58 > -- > 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 -- 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
