Re: [BUG] 2.6.25-rc5-mm1 kernel panic with "Exception: 501 " on powerpc

From: Kamalesh Babulal
Date: Thu Mar 13 2008 - 09:02:31 EST


Matthew Wilcox wrote:
> On Thu, Mar 13, 2008 at 09:26:09AM +1100, Michael Ellerman wrote:
>> down() looks OK, but there's still a spin_lock_irq() in __down_common(),
>> although I don't know if it makes sense for us to be in __down() at that
>> stage.
>
> The spin_lock_irq in __down_common is correct. We're going to schedule(),
> so we spin_unlock_irq() to save us passing the flags into the helper
> function. If we had interrupts disabled on entry, there's an Aieee
> for that.
>

Hi All,

Sorry for all the noise made :-(, something wrong in the test setup from my end,
the kernel was 2.6.25-rc3-mm1 not 2.6.25-rc5-mm1. This bug is not seen in the
2.6.25-rc5-mm1 kernel.

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