Comment 50 for bug 286285

This problem also occurs on HP 6130b

top gives:
  PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
 5429 root 20 0 1940 544 448 R 56 0.0 9:09.91 dd
 5431 klog 20 0 3624 2444 444 S 45 0.1 6:59.17 klogd

lspci gives:

root@amos:~# lspci
00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 (rev 03)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 03)
00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03)
02:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection
85:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)
86:02.0 FireWire (IEEE 1394): Agere Systems FW323 (rev 70)

Computer ends up freezing. Also this happens while I am plugged into the wired network (but wireless turned on). Turning wireless off doesn't solve error messages to syslog once started.

Syslog repeats:

Nov 3 16:07:15 amos kernel: [ 5096.172396] =======================
Nov 3 16:07:15 amos kernel: [ 5096.172429] bad: scheduling from the idle thread!
Nov 3 16:07:15 amos kernel: [ 5096.172432] Pid: 0, comm: swapper Not tainted 2.6.27-7-generic #1
Nov 3 16:07:15 amos kernel: [ 5096.172434] [<c037c406>] ? printk+0x1d/0x1f
Nov 3 16:07:15 amos kernel: [ 5096.172437] [<c0122b8a>] dequeue_task_idle+0x2a/0x40
Nov 3 16:07:15 amos kernel: [ 5096.172440] [<c012107f>] dequeue_task+0xcf/0x130
Nov 3 16:07:15 amos kernel: [ 5096.172443] [<c012112a>] deactivate_task+0x1a/0x30
Nov 3 16:07:15 amos kernel: [ 5096.172446] [<c037ca23>] schedule+0x4b3/0x790
Nov 3 16:07:15 amos kernel: [ 5096.172449] [<c014d3bb>] ? sched_clock_tick+0x7b/0xb0
Nov 3 16:07:15 amos kernel: [ 5096.172453] [<c0153dcc>] ? tick_nohz_stop_idle+0x5c/0x70
Nov 3 16:07:15 amos kernel: [ 5096.172456] [<c0153e15>] ? tick_nohz_restart_sched_tick+0x35/0x180
Nov 3 16:07:15 amos kernel: [ 5096.172459] [<c01028cd>] cpu_idle+0xbd/0x140
Nov 3 16:07:15 amos kernel: [ 5096.172462] [<c036edd3>] rest_init+0x53/0x60
Nov 3 16:07:15 amos kernel: [ 5096.172465] =======================