Comment 24 for bug 763986

I got the following yesterday with the stock 3.5.0-24-lowlatency kernel of Linux Mint and also got it recently with 3.5.0-19-generic.

I bumped into this issue lately and encounter with it from time to time so this definitely seems a standing issue.

Feb 21 02:22:23 nitehawk kernel: [ 9359.366095] PM: Syncing filesystems ... done.
Feb 21 02:22:23 nitehawk kernel: [ 9359.372465] PM: Preparing system for mem sleep
Feb 21 02:22:23 nitehawk kernel: [ 9359.372484] Freezing user space processes ...
Feb 21 02:22:23 nitehawk kernel: [ 9379.373235] Freezing of tasks failed after 20.00 seconds (1 tasks refusing to freeze, wq_busy=0):
Feb 21 02:22:23 nitehawk kernel: [ 9379.373336] mc D ffff88013fd13b00 0 8583 1 0x00000004
Feb 21 02:22:23 nitehawk kernel: [ 9379.373339] ffff880048bd7be8 0000000000000082 ffff880048b91720 ffff880048bd7fd8
Feb 21 02:22:23 nitehawk kernel: [ 9379.373343] ffff880048bd7fd8 ffff880048bd7fd8 ffff880139b40000 ffff880048b91720
Feb 21 02:22:23 nitehawk kernel: [ 9379.373346] ffff880048bd7bc8 ffff880048b91720 ffff88013fd14398 0000000000000082
Feb 21 02:22:23 nitehawk kernel: [ 9379.373349] Call Trace:
Feb 21 02:22:23 nitehawk kernel: [ 9379.373357] [<ffffffff81127260>] ? sleep_on_page+0x20/0x20
Feb 21 02:22:23 nitehawk kernel: [ 9379.373361] [<ffffffff81690a29>] schedule+0x29/0x70
Feb 21 02:22:23 nitehawk kernel: [ 9379.373364] [<ffffffff81690aff>] io_schedule+0x8f/0xd0
Feb 21 02:22:23 nitehawk kernel: [ 9379.373366] [<ffffffff8112726e>] sleep_on_page_killable+0xe/0x40
Feb 21 02:22:23 nitehawk kernel: [ 9379.373369] [<ffffffff8168ef7b>] __wait_on_bit_lock+0x5b/0xc0
Feb 21 02:22:23 nitehawk kernel: [ 9379.373371] [<ffffffff811271c7>] __lock_page_killable+0x67/0x70
Feb 21 02:22:23 nitehawk kernel: [ 9379.373375] [<ffffffff81078e90>] ? autoremove_wake_function+0x40/0x40
Feb 21 02:22:23 nitehawk kernel: [ 9379.373378] [<ffffffff81129625>] generic_file_aio_read+0x475/0x710
Feb 21 02:22:23 nitehawk kernel: [ 9379.373382] [<ffffffff8129fc25>] fuse_file_aio_read+0x75/0x90
Feb 21 02:22:23 nitehawk kernel: [ 9379.373385] [<ffffffff811889c6>] do_sync_read+0xe6/0x120
Feb 21 02:22:23 nitehawk kernel: [ 9379.373388] [<ffffffff812bee52>] ? security_file_permission+0x92/0xb0
Feb 21 02:22:23 nitehawk kernel: [ 9379.373391] [<ffffffff81188e81>] ? rw_verify_area+0x61/0xf0
Feb 21 02:22:23 nitehawk kernel: [ 9379.373393] [<ffffffff81189319>] vfs_read+0xa9/0x180
Feb 21 02:22:23 nitehawk kernel: [ 9379.373395] [<ffffffff8118943a>] sys_read+0x4a/0x90
Feb 21 02:22:23 nitehawk kernel: [ 9379.373398] [<ffffffff816990a9>] system_call_fastpath+0x16/0x1b