http://bugzilla.suse.com/show_bug.cgi?id=1005267 Bug ID: 1005267 Summary: ext4 code bug in tumbleweed kernel hanging build workers Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: ro@suse.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Created attachment 697844 --> http://bugzilla.suse.com/attachment.cgi?id=697844&action=edit tarball with more build logs from hung workers I'm seeing many of these hangs in Tumbleweed builds recently all following the scheme: [ 1015s] [ 1003.214513] ------------[ cut here ]------------ [ 1015s] [ 1003.215481] kernel BUG at ../fs/ext4/inode.c:2091! [ 1015s] [ 1003.216258] invalid opcode: 0000 [#1] PREEMPT SMP [ 1015s] [ 1003.216258] Modules linked in: ata_generic ata_piix e1000 nls_iso8859_1 nls_cp437 vfat fat virtio_rng virtio_blk virtio_pci virtio_ring virtio nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack btrfs xor raid6_pq reiserfs squashfs fuse dm_snapshot dm_bufio dm_mod binfmt_misc loop sg [ 1015s] [ 1003.216258] CPU: 6 PID: 73 Comm: kworker/u16:1 Not tainted 4.7.6-1-default #1 [ 1015s] [ 1003.216258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.1-0-gb3ef39f-prebuilt.qemu-project.org 04/01/2014 [ 1015s] [ 1003.216258] Workqueue: writeback wb_workfn (flush-253:0) [ 1015s] [ 1003.216258] task: ffff8800bac68000 ti: ffff8800bac6c000 task.ti: ffff8800bac6c000 [ 1015s] [ 1003.216258] RIP: 0010:[<ffffffff81295e8b>] [<ffffffff81295e8b>] mpage_submit_page+0x6b/0x70 [ 1015s] [ 1003.216258] RSP: 0018:ffff8800bac6f988 EFLAGS: 00010202 [ 1015s] [ 1003.216258] RAX: 000000000000209e RBX: 000000000000207c RCX: 0000000000002694 [ 1015s] [ 1003.216258] RDX: 0000000002693a24 RSI: ffffea0001d0ce00 RDI: ffff8800bac6fb10 [ 1015s] [ 1003.216258] RBP: 0000000000002694 R08: 0000000000000000 R09: 0000000000000000 [ 1015s] [ 1003.216258] R10: 0000000000000001 R11: ffff88023ffe7000 R12: 00000000000036f3 [ 1015s] [ 1003.216258] R13: ffff8800bac6fa28 R14: ffffea0001838140 R15: ffff8800bac6fb10 [ 1015s] [ 1003.216258] FS: 0000000000000000(0000) GS:ffff88023fd80000(0000) knlGS:0000000000000000 [ 1015s] [ 1003.216258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1015s] [ 1003.216258] CR2: 00000000024fdfbc CR3: 0000000001e06000 CR4: 00000000000406e0 [ 1015s] [ 1003.216258] Stack: [ 1015s] [ 1003.216258] ffffffff81295f7e ffff8800bac6fa08 ffffffffffffffff ffffffff81296cd0 [ 1015s] [ 1003.216258] ffff8800238ca550 0000000000000000 0000000000002080 000000000000000e [ 1015s] [ 1003.216258] 0000000000000000 ffffea0001d2e700 ffffea0001d2e740 ffffea0001d2e780 [ 1015s] [ 1003.216258] Call Trace: [ 1015s] [ 1003.216258] [<ffffffff81295f7e>] mpage_process_page_bufs+0xee/0x100 [ 1015s] [ 1003.216258] [<ffffffff81296cd0>] mpage_prepare_extent_to_map+0x1c0/0x290 [ 1015s] [ 1003.216258] [<ffffffff8129afa0>] ext4_writepages+0x4f0/0xcf0 [ 1015s] [ 1003.216258] [<ffffffff8123cacd>] __writeback_single_inode+0x3d/0x3b0 [ 1015s] [ 1003.216258] [<ffffffff8123d30a>] writeback_sb_inodes+0x20a/0x440 [ 1015s] [ 1003.216258] [<ffffffff8123d5c7>] __writeback_inodes_wb+0x87/0xb0 [ 1015s] [ 1003.216258] [<ffffffff8123d91d>] wb_writeback+0x28d/0x330 [ 1015s] [ 1003.216258] [<ffffffff8123e062>] wb_workfn+0x222/0x3f0 [ 1015s] [ 1003.216258] [<ffffffff8109523d>] process_one_work+0x1ed/0x4e0 [ 1015s] [ 1003.216258] [<ffffffff81095577>] worker_thread+0x47/0x4c0 [ 1015s] [ 1003.216258] [<ffffffff8109b14d>] kthread+0xbd/0xe0 [ 1015s] [ 1003.216258] [<ffffffff816bc49f>] ret_from_fork+0x1f/0x40 [ 1015s] [ 1003.216258] DWARF2 unwinder stuck at ret_from_fork+0x1f/0x40 [ 1015s] [ 1003.216258] [ 1015s] [ 1003.216258] Leftover inexact backtrace: [ 1015s] [ 1003.216258] [ 1015s] [ 1003.216258] [<ffffffff8109b090>] ? kthread_worker_fn+0x170/0x170 [ 1015s] [ 1003.216258] Code: 48 8b 4b 08 48 8d 7b 40 45 31 c0 89 ea 4c 89 e6 e8 ab 9f 00 00 85 c0 75 08 48 8b 53 08 48 83 2a 01 48 83 43 10 01 5b 5d 41 5c c3 <0f> 0b 0f 1f 00 0f 1f 44 00 00 48 8b 07 55 bd 01 00 00 00 53 89 [ 1015s] [ 1003.216258] RIP [<ffffffff81295e8b>] mpage_submit_page+0x6b/0x70 [ 1015s] [ 1003.216258] RSP <ffff8800bac6f988> [ 1015s] [ 1003.272964] ---[ end trace ad9da344ae2b85de ]--- [ 1015s] [ 1003.273843] ------------[ cut here ]------------ I will attach a tarball with a few more of these. -- You are receiving this mail because: You are on the CC list for the bug.