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:
[EMAIL PROTECTED]:~# 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] =======================
--
kernel 2.6.27-7-generic bug BUG: scheduling while atomic: swapper/0/0x00000100
https://bugs.launchpad.net/bugs/286285
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