OK, so in the dmesg we see the following; [ 4.153751] usb 3-3: new high-speed USB device number 2 using xhci_hcd [ 4.521320] usb 1-1.3: new high-speed USB device number 3 using ehci_hcd [ 241.600057] INFO: task swapper/0:1 blocked for more than 120 seconds. [ 241.600063] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 241.600067] swapper/0 D f690e000 0 1 0 0x00000000 [ 241.600074] f749df64 00000046 f690e000 f690e000 00000000 f759cc20 c1931e00 c1931e00 [ 241.600085] db45b94e 00000000 f7bb9e00 f74a0000 f759cc20 019ff37b 00000004 f690e001 [ 241.600102] 00000000 ef804080 ef8e22a0 00000001 00000004 00000000 f749df40 c1036a98 [ 241.600106] Call Trace: [ 241.600112] [<c1036a98>] ? default_spin_lock_flags+0x8/0x10 [ 241.600115] [<c1036a98>] ? default_spin_lock_flags+0x8/0x10 [ 241.600119] [<c15a84bd>] ? _raw_spin_lock_irqsave+0x2d/0x40 [ 241.600121] [<c15a68b5>] schedule+0x35/0x50 [ 241.600124] [<c1081015>] async_synchronize_cookie_domain+0xb5/0x130 [ 241.600128] [<c10c5572>] ? call_rcu_sched+0x12/0x20 [ 241.600131] [<c107a0e0>] ? add_wait_queue+0x50/0x50 [ 241.600133] [<c10810ea>] async_synchronize_full+0x1a/0x20 [ 241.600136] [<c158f594>] init_post+0x10/0xae [ 241.600139] [<c18798e3>] kernel_init+0x15b/0x15b [ 241.600141] [<c1879788>] ? start_kernel+0x353/0x353 [ 241.600144] [<c15afcfe>] kernel_thread_helper+0x6/0x10
and then we get the repeating hang messages every 120 seconds or so until: [ 1319.994057] [<c1879788>] ? start_kernel+0x353/0x353 [ 1319.994059] [<c15afcfe>] kernel_thread_helper+0x6/0x10 [ 1672.348773] ACPI Error: Method parse/execution failed [\_SB_.WADR] (Node f74348a0), AE_AML_INFINITE_LOOP (20110623/psparse-536) [ 1672.348785] ACPI Error: Method parse/execution failed [\_SB_.BAT1.UPBI] (Node f74349f0), AE_AML_INFINITE_LOOP (20110623/psparse-536) [ 1672.348812] ACPI Error: Method parse/execution failed [\_SB_.BAT1._BIF] (Node f74349c0), AE_AML_INFINITE_LOOP (20110623/psparse-536) [ 1672.348820] ACPI Exception: AE_AML_INFINITE_LOOP, Evaluating _BIF (20110623/battery-419) which matches what Tom saw (although yours took a bit longer). ** Summary changed: - Ubuntu 12.04 will not boot after kernel update (From 3.2.0.29->3.2.0.30) [Lenovo IdeaPad Z580] + Ubuntu 12.04 10-20min boot delay (From 3.2.0.29->3.2.0.30) [Lenovo IdeaPad Z580] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1093217 Title: Ubuntu 12.04 10-20min boot delay (From 3.2.0.29->3.2.0.30) [Lenovo IdeaPad Z580] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1093217/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
