Re: HP 6735b - freezes on plug/unplug of the AC cord
I had a similar issue with a probook 6540b, I upgraded to the latest bios release & the issue vanished! You also have to disable your lan power save under bios settings.. Its an ACPI related issue
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From: Peter Pentchev <firstname.lastname@example.org>
Date: Fri, 22 Apr 2011 17:22:41
Subject: Re: HP 6735b - freezes on plug/unplug of the AC cord
On Mon, Dec 27, 2010 at 11:11:45PM +0200, Peter Pentchev wrote:
> First of all, apologies if this turns out to be a common question;
> I've done a bit of searching on the Internet in the past several
> months, and I didn't come across something that could really address
> my problem, but it is very, very much possible that I've missed
> something obvious.
> I'm writing this on an HP 6735b laptop that, for the past several
> months has been freezing each and every time I either plug or
> unplug the power cord. It also freezes if I leave it for more than
> twenty or thirty or so minutes *in a text console* - that started
> happening after I switched to KMS for the ATI Radeon card; it used
> to freeze in X, too, but at some point it just stopped - now I only
> leave it in X when I walk away from it for a while.
> Still, the plug/unplug problem has been constant for the last several
> months - utterly reproducible, each and every time, always in Debian,
> never in Windows 7. Unfortunately, I cannot give you an exact date
> for when it started - I guess the first couple of times I thought this
> was something intermittent or something accidental, and by the time I
> realized it was constant, I'd lost track of time.
Just for the record, this has now been resolved somehow; I think
the turning point was the 2.6.38 kernel migrating to testing.
Peter Pentchev email@example.com roam@FreeBSD.org firstname.lastname@example.org
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