lkml.org 
[lkml]   [2005]   [Jul]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Realtime Preemption, 2.6.12, Beginners Guide?
Date
On Wednesday 06 Jul 2005 21:44, Ingo Molnar wrote:
[snip]
>
> the ACPI-idle bug's primary effects were the missed wakeups, but they
> should not cause lockups, because timer interrupts should always occur
> and should eventually 'fix up' such missed wakeups.
>
> but there's another side-effect of the ACPI-idle bug: the ACPI code was
> running with interrupts enabled and maybe the hardware locks up if
> interrupted in the wrong moment. ACPI sleeps are sensitive things and
> closely related to other IRQ hardware, which we all program with
> interrupts disabled. So i'd not be surprised if the lockups were caused
> by the ACPI-idle bug.
>
> Ingo

Okay, well an hour later and still no lockups, so you're probably right.

This is a completely unrelated question, but now we've got everything under
control.. how do I make "quiet" actually do something on the RT patchset?

Currently I flag it on the kernel cmdline, but I still get everything spewed
to my primary VT.

--
Cheers,
Alistair.

personal: alistair()devzero!co!uk
university: s0348365()sms!ed!ac!uk
student: CS/CSim Undergraduate
contact: 1F2 55 South Clerk Street,
Edinburgh. EH8 9PP.
-
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/

\
 
 \ /
  Last update: 2005-07-06 23:14    [W:0.092 / U:3.264 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site