Re: bugs in __schedule()

[gshan <gshan@alcatel-lucent.com>]

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@alcatel-lucent.com> 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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/