Hi Jiri, On 01/24/2012 08:35 PM, Jiri Slaby wrote: > Hi, > > this is a freshly booted system. When I do s2dsk, I see: > ... > Freezing remaining freezable tasks ... BUG: 'workqueue_freezing' is true! > ------------[ cut here ]------------ > kernel BUG at /l/latest/linux/kernel/workqueue.c:3659! > invalid opcode: 0000 [#1] SMP > CPU 0 > Modules linked in: > > Pid: 2669, comm: s2disk Not tainted 3.3.0-rc1-next-20120124_64+ #1627 > Bochs Bochs > RIP: 0010:[<ffffffff8107e365>] [<ffffffff8107e365>] > freeze_workqueues_begin+0x195/0x1a0 > RSP: 0018:ffff880046f01d68 EFLAGS: 00010292 > RAX: 0000000000000023 RBX: 0000000000000001 RCX: 00000000000000c9 > RDX: 0000000000000077 RSI: 0000000000000046 RDI: ffffffff81b51f7c > RBP: ffff880046f01d98 R08: ffffffff81a9d760 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 > R13: 00007fff579464dc R14: ffffffffffffffff R15: 0000000000000004 > FS: 00007f3c65d54700(0000) GS:ffff880049600000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > CR2: 00007f3c64f58c20 CR3: 0000000045b64000 CR4: 00000000000006f0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process s2disk (pid: 2669, threadinfo ffff880046f00000, task > ffff880047251980) > Stack: > ffff880046f01d98 0000000000000001 0000000000000000 00007fff579464dc > ffffffffffffffff 0000000000000004 ffff880046f01e18 ffffffff81096cb9 > 00000000ffff0124 0000000000000004 ffff880046f01e18 000000004f1ec7d1 > Call Trace: > [<ffffffff81096cb9>] try_to_freeze_tasks+0x1b9/0x2d0 > [<ffffffff81096ed5>] freeze_kernel_threads+0x25/0x90 > [<ffffffff81097b55>] hibernation_snapshot+0x75/0x2e0 > [<ffffffff8109d724>] snapshot_ioctl+0x314/0x4e0 > [<ffffffff81130856>] do_vfs_ioctl+0x96/0x550 > [<ffffffff8111ff7b>] ? vfs_write+0x10b/0x180 > [<ffffffff81130d5a>] sys_ioctl+0x4a/0x80 > [<ffffffff81630e22>] system_call_fastpath+0x16/0x1b > Code: c7 c6 0a a4 92 81 48 c7 c7 16 65 92 81 31 c0 e8 19 94 5a 00 0f 0b > 48 c7 c6 27 a4 92 81 48 c7 c7 16 65 92 81 31 c0 e8 02 94 5a 00 <0f> 0b > 66 0f 1f 84 00 00 00 00 00 55 48 c7 c7 82 4b b9 81 48 89 > RIP [<ffffffff8107e365>] freeze_workqueues_begin+0x195/0x1a0 > RSP <ffff880046f01d68> > ---[ end trace 632574abdc098963 ]--- > I couldn't find any obvious root-cause from a quick check. Is this completely reproducible upon a fresh boot? Regards, Srivatsa S. Bhat IBM Linux Technology Center _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/linux-pm
