Re: Oops in tcp_sendmsg on T1000

[Ben Collins <bcollins@ubuntu.com>]

On Sun, 2006-07-02 at 12:13 -0700, Jurij Smakov wrote:
> On Sun, 2 Jul 2006, David Miller wrote:
> 
> > 2.6.17.x should be extremely stable and there is nothing
> > in the current tree that ought to fix this.
> >
> > Please retry with gcc-4.0.x, I really want to eliminate
> > gcc-4.1.x because that compiler has caused problems for
> > other folks.  In fact I'm almost hoping it's a gcc-4.1.x
> > problem so we can investigate it using this test case and
> > fix it :)
> 
> FWIW, I have experienced exactly the opposite while preparing the 2.6.17 
> for Debian: the SMP kernel built with gcc-4.0 was hanging randomly 
> during boot, but works fine when built with gcc-4.1.

Was this an SMP machine/kernel? If so, it sounds like the scheduler
tuning bug, fixed in the latest kernel (maybe dave knows git sha).

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