Soft lockup when Dual Core enabled
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Invalid
|
Undecided
|
Unassigned |
Bug Description
root@zenon-
Description: Ubuntu 8.04.1
Release: 8.04
root@zenon-
Linux zenon-laptop 2.6.24-21-generic #1 SMP Tue Oct 21 23:43:45 UTC 2008 i686 GNU/Linux
Machine: (laptop) . LG E23 (Intel Pentium Dual-Core)
Description: This problem ONLY occurs for me when I have dual-core ENABLED (I can disable this in BIOS). Thus, disabling the second core in bios suppresses the bug. Once I enable the second core in BIOS, I start getting messages like these
root@zenon-
/var/log/
/var/log/
/var/log/
/var/log/
/var/log/
Binary file /var/log/
/var/log/syslog:Nov 1 17:12:56 zenon-laptop kernel: [ 849.256305] BUG: soft lockup - CPU#0 stuck for 46s! [pidgin:6076]
/var/log/syslog:Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744137] BUG: soft lockup - CPU#0 stuck for 23s! [swapper:0]
/var/log/syslog:Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772177] BUG: soft lockup - CPU#0 stuck for 34s! [ksoftirqd/0:4]
/var/log/syslog:Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019476] BUG: soft lockup - CPU#0 stuck for 26s! [pidgin:6076]
/var/log/syslog:Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622450] BUG: soft lockup - CPU#0 stuck for 92s! [swapper:0]
The system freezes up during the lock. As I said previously, this is not a problem once I disable the second core.
Below follow the outputs in the kernel.log
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256305] BUG: soft lockup - CPU#0 stuck for 46s! [pidgin:6076]
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256312]
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256316] Pid: 6076, comm: pidgin Tainted: P (2.6.24-21-generic #1)
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256318] EIP: 0060:[finish_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256328] EIP is at finish_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256330] EAX: c1e0e480 EBX: f6c85700 ECX: c03ea3a0 EDX: 00000000
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256332] ESI: f6c85700 EDI: c03ea3a0 EBP: 00000000 ESP: f7641b94
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256334] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256336] CR0: 8005003b CR2: b7734000 CR3: 377da000 CR4: 00000690
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256339] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256341] DR6: ffff0ff0 DR7: 00000400
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256363] [dm_mod:
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256376] [shpchp:
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256384] [sbshc:
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256389] [process_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256393] [sbshc:
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256399] [do_sys_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256407] [__pollwait+
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256413] [<c0125f80>] default_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256420] [<c0125f80>] default_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256427] [<c0125f80>] default_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256433] [<c0125f80>] default_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256440] [<c0125f80>] default_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256448] [<c0125f80>] default_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256453] [enqueue_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256456] [task_rq_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256462] [try_to_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256467] [agpgart:
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256475] [sock_alloc_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256485] [__wake_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256492] [dm_mod:
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256499] [sock_def_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256506] [unix_stream_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256512] [skb_dequeue+
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256518] [unix_stream_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256532] [core_sys_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256541] [sock_aio_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256556] [ext3:do_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256568] [<c0140b60>] autoremove_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256575] [sock_aio_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256581] [tick_program_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256588] [__rcu_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256599] [snd_seq:
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256607] [usbcore:
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256614] [sys_poll+
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256619] [sysenter_
Nov 1 17:12:56 zenon-laptop kernel: [ 849.256632] =======
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744137] BUG: soft lockup - CPU#0 stuck for 23s! [swapper:0]
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744145]
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744148] Pid: 0, comm: swapper Tainted: P (2.6.24-21-generic #1)
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744151] EIP: 0060:[<f887f5ff>] EFLAGS: 00000282 CPU: 0
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744176] EIP is at acpi_idle_
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744178] EAX: 00000000 EBX: f7cc8800 ECX: 000000fd EDX: 00000005
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744180] ESI: f7cc8acc EDI: 1a341121 EBP: 14d8f2c9 ESP: c041df98
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744183] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744185] CR0: 8005003b CR2: b7266000 CR3: 37da5000 CR4: 00000690
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744187] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744189] DR6: ffff0ff0 DR7: 00000400
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744198] [cpuidle_
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744210] [cpu_idle+
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744215] [start_
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744222] [unknown_
Nov 1 17:16:28 zenon-laptop kernel: [ 1060.744231] =======
Nov 1 17:16:42 zenon-laptop kernel: [ 1074.756429] usb 1-2: USB disconnect, address 3
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772177] BUG: soft lockup - CPU#0 stuck for 34s! [ksoftirqd/0:4]
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772186]
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772189] Pid: 4, comm: ksoftirqd/0 Tainted: P (2.6.24-21-generic #1)
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772192] EIP: 0060:[hrtimer_
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772200] EIP is at hrtimer_
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772202] EAX: c04790c4 EBX: 00000001 ECX: c03ea3a0 EDX: 01992000
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772204] ESI: c0411b08 EDI: c0479120 EBP: c04aef80 ESP: f7c6ff58
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772206] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772208] CR0: 8005003b CR2: a3eb0000 CR3: 37da5000 CR4: 00000690
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772211] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772213] DR6: ffff0ff0 DR7: 00000400
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772233] [run_timer_
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772244] [dm_mod:
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772255] [__do_softirq+
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772262] [do_softirq+
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772266] [ksoftirqd+
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772270] [ksoftirqd+
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772274] [kthread+0x42/0x70] kthread+0x42/0x70
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772277] [kthread+0x0/0x70] kthread+0x0/0x70
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772282] [kernel_
Nov 1 17:43:34 zenon-laptop kernel: [ 2685.772289] =======
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019476] BUG: soft lockup - CPU#0 stuck for 26s! [pidgin:6076]
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019484]
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019487] Pid: 6076, comm: pidgin Tainted: P (2.6.24-21-generic #1)
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019490] EIP: 0060:[loop:
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019498] EIP is at fput+0x6/0x20
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019500] EAX: f633cd80 EBX: 00000000 ECX: 00000001 EDX: f633cd80
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019502] ESI: f7641eac EDI: f633cd80 EBP: 00000000 ESP: f7641c38
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019504] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019507] CR0: 8005003b CR2: 087ee5b0 CR3: 377da000 CR4: 00000690
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019509] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019511] DR6: ffff0ff0 DR7: 00000400
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019513] [do_sys_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019540] [__pollwait+
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019547] [<c0125f80>] default_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019555] [<c0125f80>] default_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019562] [<c0125f80>] default_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019569] [<c0125f80>] default_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019576] [<c0125f80>] default_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019582] [<c0125f80>] default_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019591] [lock_timer_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019596] [tcp_write_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019604] [shpchp:
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019611] [sk_reset_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019618] [__tcp_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019627] [usbcore:
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019634] [memcpy_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019641] [skb_copy_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019648] [fglrx:
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019653] [skb_dequeue+
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019660] [unix_stream_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019664] [tcp_recvmsg+
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019678] [sock_common_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019686] [sock_aio_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019701] [ext3:do_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019712] [handle_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019716] [<c0140b60>] autoremove_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019731] [snd_seq:
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019738] [usbcore:
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019744] [sys_poll+
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019749] [sysenter_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019756] [unix_destruct_
Nov 1 17:44:04 zenon-laptop kernel: [ 2716.019763] =======
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622450] BUG: soft lockup - CPU#0 stuck for 92s! [swapper:0]
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622457]
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622460] Pid: 0, comm: swapper Tainted: P (2.6.24-21-generic #1)
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622463] EIP: 0060:[<f887f5ff>] EFLAGS: 00000282 CPU: 0
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622487] EIP is at acpi_idle_
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622489] EAX: 00000000 EBX: f7cc8800 ECX: 000002b1 EDX: 00000016
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622491] ESI: f7cc8acc EDI: 908a78f8 EBP: 7b80ad0e ESP: c041df98
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622494] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622496] CR0: 8005003b CR2: 0805d9b0 CR3: 31590000 CR4: 00000690
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622498] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622500] DR6: ffff0ff0 DR7: 00000400
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622509] [cpuidle_
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622521] [cpu_idle+
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622526] [start_
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622532] [unknown_
Nov 1 17:45:42 zenon-laptop kernel: [ 2814.622541] =======
Nov 1 17:56:06 zenon-laptop kernel: [ 3438.384574] usb 1-2: new low speed USB device using ohci_hcd and address 4
Nov 1 17:56:07 zenon-laptop kernel: [ 3438.606568] usb 1-2: configuration #1 chosen from 1 choice
Nov 1 17:56:07 zenon-laptop kernel: [ 3438.614721] input: Microsoft Basic Optical Mouse as /devices/
Nov 1 17:56:07 zenon-laptop kernel: [ 3438.648434] input,hidraw0: USB HID v1.10 Mouse [Microsoft Basic Optical Mouse] on usb-0000:00:13.0-2
Thank you for taking the time to report this bug and helping to make Ubuntu better. The issue that you reported is one that should be reproducible with the live environment of the Desktop CD of the development release - Jaunty Jackalope. It would help us greatly if you could test with it so we can work on getting it fixed in the next release of Ubuntu. You can find out more about the development release at http:// www.ubuntu. com/testing/. Thanks again and we appreciate your help.