On Thu, 5 Jun 2008, Olaf Hering wrote:
> On Wed, Jun 04, Linus Torvalds wrote:
>
> > Another week, another batch of mostly pretty small fixes. Hopefully the
> > regression list is shrinking, and we've fixed at least a couple of the
> > oopses on Arjan's list.
>
> SATA on a dualcore G5 is broken, it happend between
> c3b25b32e8bef526cca748e1ba023c6bdd705a99..53c8ba95402be65d412a806cda3430f0e72cd107
>
> irq 18: nobody cared (try booting with the "irqpoll" option)
> Disabling IRQ #18
>
> ctrl alt del on the USB keyboard does not trigger a reboot.
> Sometimes the cursor stops blinking, sometimes just nothing happens
> after ctrl alt del.
>
> Does 53c8ba95402be65d412a806cda3430f0e72cd107 work for others on G5?
I've been bisecting that on Quad G5 (sata_svw): irq 18: nobody cared ...,
then later endless ata1.00: exception..., blah blah, ata1: EH complete.
It comes down to:
commit a57c1bade5a0ee5cd8b74502db9cbebb7f5780b2
Author: Alan Cox <[EMAIL PROTECTED]>
Date: Thu May 29 22:10:58 2008 +0100
libata-sff: Fix oops reported in kerneloops.org for pnp devices with no ctl
And the patch I'm finding successful is below: I won't sign it off,
for all I know it's reverting part of what Alan is trying to achieve;
but I expect it'll help towards the right fix.
Hugh
--- 2.6.26-rc5/drivers/ata/libata-sff.c 2008-06-05 07:18:07.000000000 +0100
+++ linux/drivers/ata/libata-sff.c 2008-06-05 12:42:39.000000000 +0100
@@ -278,7 +278,7 @@ static u8 ata_sff_irq_status(struct ata_
return status;
}
/* Clear INTRQ latch */
- status = ata_sff_check_status(ap);
+ status = ap->ops->sff_check_status(ap);
return status;
}
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