That was surprisingly quick. With 3.13.0-24-generic reproduced it while wgetting the kubuntu iso:
Apr 20 16:53:15 jconti-desktop kernel: [ 4016.152042] ath: phy0: Unable to remove station entry for: f4:ec:38:ec:42:02 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748073] INFO: task NetworkManager:844 blocked for more than 120 seconds. Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748086] Not tainted 3.13.0-24-generic #46-Ubuntu Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748090] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748096] NetworkManager D ffff88011fc14440 0 844 1 0x00000000 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748106] ffff8800de37f8d0 0000000000000002 ffff8800364417f0 ffff8800de37f fd8 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748115] 0000000000014440 0000000000014440 ffff8800364417f0 ffff880119612 8d8 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748122] ffff8801196128dc ffff8800364417f0 00000000ffffffff ffff880119612 8e0 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748131] Call Trace: Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748147] [<ffffffff8171a3a9>] schedule_preempt_disabled+0x29/0x70 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748156] [<ffffffff8171c215>] __mutex_lock_slowpath+0x135/0x1b0 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748163] [<ffffffff8171c2af>] mutex_lock+0x1f/0x2f Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748225] [<ffffffffa01cbe5d>] nl80211_dump_scan+0x5d/0x630 [cfg80211] Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748234] [<ffffffff8160aa71>] ? __kmalloc_reserve.isra.25+0x31/0x90 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748245] [<ffffffff81647dae>] genl_lock_dumpit+0x2e/0x50 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748252] [<ffffffff81645004>] netlink_dump+0x84/0x240 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748259] [<ffffffff816458eb>] __netlink_dump_start+0x1ab/0x220 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748269] [<ffffffff81649816>] genl_family_rcv_msg+0x276/0x370 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748276] [<ffffffff81647d80>] ? genl_lock_done+0x50/0x50 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748283] [<ffffffff81647d30>] ? genl_unlock+0x20/0x20 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748295] [<ffffffff811a2778>] ? __kmalloc_node_track_caller+0x58/0x1e0 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748303] [<ffffffff81649910>] ? genl_family_rcv_msg+0x370/0x370 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748310] [<ffffffff816499a1>] genl_rcv_msg+0x91/0xd0 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748316] [<ffffffff81647a29>] netlink_rcv_skb+0xa9/0xc0 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748323] [<ffffffff81647f28>] genl_rcv+0x28/0x40 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748330] [<ffffffff81647055>] netlink_unicast+0xd5/0x1b0 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748337] [<ffffffff8164742f>] netlink_sendmsg+0x2ff/0x740 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748343] [<ffffffff81645362>] ? netlink_recvmsg+0x1a2/0x3a0 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748352] [<ffffffff816024eb>] sock_sendmsg+0x8b/0xc0 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748360] [<ffffffff816021de>] ? move_addr_to_kernel.part.16+0x1e/0x60 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748367] [<ffffffff81602d91>] ? move_addr_to_kernel+0x21/0x30 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748374] [<ffffffff81602d59>] ___sys_sendmsg+0x3a9/0x3c0 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748383] [<ffffffff811cd320>] ? poll_select_copy_remaining+0x130/0x130 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748391] [<ffffffff811cd320>] ? poll_select_copy_remaining+0x130/0x130 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748400] [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748406] [<ffffffff8101b763>] ? native_sched_clock+0x13/0x80 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748414] [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748424] [<ffffffff811112fc>] ? acct_account_cputime+0x1c/0x20 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748430] [<ffffffff8109d76b>] ? account_user_time+0x8b/0xa0 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748437] [<ffffffff81603462>] __sys_sendmsg+0x42/0x80 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748445] [<ffffffff816034b2>] SyS_sendmsg+0x12/0x20 Apr 20 16:56:20 jconti-desktop kernel: [ 4200.748453] [<ffffffff8172663f>] tracesys+0xe1/0xe6 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1301558 Title: 0cf3:7015 [HP Pavilion Media Center a1630n Desktop PC] ath9k_htc 14.04 NetworkManager hangs after 'ath: phy0: Unable to remove station entry for...' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1301558/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
