Re: Oops in tcp_sendmsg on T[12]000

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From: "Michael Marineau" <mike@xxxxxxxxxxxx>
Date: Wed, 28 Feb 2007 23:13:20 -0800

> This bug was originally reported for a T1000 a while back:
> http://thread.gmane.org/gmane.linux.ports.sparc/6361/focus=6413
> 
> On a T2000 I am able to trigger the Oops in 5 to 50 minutes by pushing
> a ton of traffic over lo with netcat:
> nc -l -p 9000 >/dev/null
> nc localhost </dev/zero

I've run the same and similar tests for quite some time and
I can't get a trigger on both my T1000 and T2000.  I let them
keep running for a while just in case.

Your ability to trigger this in 5 minutes or so is too easy, and
therefore I looked again at your original report and I see that you
are using some fedora3 based distribution and the gcc-3.4.x that comes
with it to build your kernel.

I really suspect the compiler or build tools at this point.
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