Re: bugs in __schedule()

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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 <[email protected]> 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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