Thread (7 messages) 7 messages, 3 authors, 2012-02-28

How to debug system freeze?

From: Łukasz Sowa <hidden>
Date: 2012-02-27 01:31:26

Thanks Mulyadi,
Hi Lukasz :)

On Sat, Feb 25, 2012 at 07:17, ?ukasz Sowa [off-list ref] wrote:
quoted
It's not that easy. The problem occurs only when I'm going to suspend
with closing laptop's lid and it does not happen every time (but mostly
yes). I'll try to enable CONFIG_DETECT_SOFTLOCKUP but if it's hard
freeze, will I see the output?
not everytime...ok that makes situation harder. Maybe you need serial
console and hook another computer to see the kernel log.
I'll try to dump memory using FireWire because that's only useful port I
have in my laptop. Is that ok?

Regards,
Lukasz Sowa
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