Re: bugs in __schedule()

From: gshan
Date: Tue Jun 26 2007 - 04:18:29 EST


The code is written by myself. 2 questions:

1) tasklet couldn't sleep?
2) It is because the tasklet take a semaphore?

Thanks,
Gavin

Alexey Dobriyan wrote:
On 6/26/07, gshan <gshan@xxxxxxxxxxxxxxxxxx> wrote:
Anybody has suggestions on this crash?

talk to whoever supplied the following into your kernel:

[c02dc4dc] __schedule+0x654/0x788
[c02dc6f4] schedule+0x4c/0xe4
[c02dbe24] __compat_down+0xc8/0x12c
[c0226b60] mv_sw_read_reg+0x178/0x17c

this

[c02296fc] mvSwIntrTasklet+0x128/0x744

and this.

[c0020afc] tasklet_action+0x7c/0xec
[c00204f4] ___do_softirq+0x80/0x11c
[c00205cc] __do_softirq+0x3c/0x6c
[c00206a4] do_softirq+0x60/0x68
[c00207a8] irq_exit+0x6c/0x94
[c0005e1c] do_IRQ+0x88/0xa4
[c0004b70] ret_from_except+0x0/0x18
[c000680c] __delay+0xc/0x14
[c0226598] mv_sw_read_smi_reg+0x84/0x1ac

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