I can see this bug on my Intrepid installation running on a Lenovo
Thinkpad T61p. The problem occurred for the first time today. I am not
sure if this is related to updates I installed yesterday (Oct 24).
I have the x86-32 2.6.27-7-generic kernel installed.
Oct 25 12:36:12 crazy88 kernel: [77144.122543] =======================
Oct 25 12:36:12 crazy88 kernel: [77144.122668] bad: scheduling from the idle
thread!
Oct 25 12:36:12 crazy88 kernel: [77144.122671] Pid: 0, comm: swapper Tainted: P
2.6.27-7-generic #1
Oct 25 12:36:12 crazy88 kernel: [77144.122673] [<c037c3f6>] ? printk+0x1d/0x1f
Oct 25 12:36:12 crazy88 kernel: [77144.122676] [<c0122b8a>]
dequeue_task_idle+0x2a/0x40
Oct 25 12:36:12 crazy88 kernel: [77144.122679] [<c012107f>]
dequeue_task+0xcf/0x130
Oct 25 12:36:12 crazy88 kernel: [77144.122682] [<c012112a>]
deactivate_task+0x1a/0x30
Oct 25 12:36:12 crazy88 kernel: [77144.122685] [<c037ca13>]
schedule+0x4b3/0x790
Oct 25 12:36:12 crazy88 kernel: [77144.122688] [<c014d3bb>] ?
sched_clock_tick+0x7b/0xb0
Oct 25 12:36:12 crazy88 kernel: [77144.122697] [<c0153dcc>] ?
tick_nohz_stop_idle+0x5c/0x70
Oct 25 12:36:12 crazy88 kernel: [77144.122706] [<c0153e15>] ?
tick_nohz_restart_sched_tick+0x35/0x180
Oct 25 12:36:12 crazy88 kernel: [77144.122710] [<c01028cd>] cpu_idle+0xbd/0x140
Oct 25 12:36:12 crazy88 kernel: [77144.122712] [<c036edc3>] rest_init+0x53/0x60
Oct 25 12:36:12 crazy88 kernel: [77144.122715] =======================
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kernel 2.6.27-7-generic bug BUG: scheduling while atomic: swapper/0/0x00000100
https://bugs.launchpad.net/bugs/286285
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