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

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

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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