[uml-devel] Re: Hang at ipv4 setup is a cpufreq issue!

["roland" <for_spam@gmx.de>]

see: http://www.redhat.com/archives/fedora-test-list/2003-July/msg01141.html

maybe this is valuable information for all "underclockers" of you :)

regards
roland



----- Original Message ----- 
From: "roland" <for_spam@gmx.de>
To: "BlaisorBlade" <blaisorblade_spam@yahoo.it>; <user-mode-linux-devel@lists.sourceforge.net>; "Jeff Dike" <jdike@addtoit.com>
Cc: "uml-user" <user-mode-linux-user@lists.sourceforge.net>
Sent: Thursday, March 04, 2004 12:11 AM
Subject: Hang at ipv4 setup is a cpufreq issue!


> hi paolo,
> no - this doesnt help fixing the "hang at NET:..." bug.
>
> but the mail from jonathan boler gave the essential hint and i tried further.
> conclusion: this bug indeed seems to be related to cpu frequency!
>
> so - what did i do ?
>
> i did an
> "modprobe p4-clockmod"
> and then
> "echo 0%40%50%performance >/proc/cpufreq"
> to reduce the speed of my 2.6 ghz p4 (40% minimum, 50% maximum)
>
> and........
>
> THE UML STARTS FINE AND THE HANG AT IPV4 SETUP IS GONE!
>
> so - this is the workaround.
>
> now we need a patch ;)
>
> do we need the so called "rtc fix" ?
> does it exist already for 2.6 kernel ?
>
> regards
> roland
>
>
>
> ----- Original Message ----- 
> From: "BlaisorBlade" <blaisorblade_spam@yahoo.it>
> To: <user-mode-linux-user@lists.sourceforge.net>
> Sent: Tuesday, March 02, 2004 8:05 PM
> Subject: Re: [uml-user] Hang at ipv4 setup
>
>
> Alle 11:07, lunedì 1 marzo 2004, Jonathan Boler ha scritto:
> > I was just wondering if there has there been any progress in fixing the
> > hang at NET: Registered protocol family 2 bug ?
> >
> > Is there a patch available ?
> >
> > Thanks
> >
> > Jonathan
>
> Yes. At least, it should work (that is a fix for what we think is another
> symptom of the your bug). Get these two patches and apply them with patch -l
> -p1 (it is a little mangled for spaces by the mailer). So, please report even
> if you get success. If you have any problem, try using only the first one.
>
> http://marc.theaimsgroup.com/?l=user-mode-linux-devel&m=107781791123823&w=2
>
> http://marc.theaimsgroup.com/?l=user-mode-linux-devel&m=107699168512707&w=2
> -- 
> Paolo Giarrusso, aka Blaisorblade
> Linux registered user n. 292729
>
>
>
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