Re: kernels 2.3.4[2345] crash when flooded with synk4.c

From: Mike Galbraith (mikeg@weiden.de)
Date: Mon Feb 14 2000 - 22:15:56 EST


On Mon, 14 Feb 2000, Andrei Pelinescu - Onciul wrote:

> On Mon, Feb 14, 2000 at 06:40:54PM +0200, Catalin Muresan wrote:
> >
> > Hello,
> >
> > If I run the attached program on my station the kernel oopses and
> > hangs. I've tried 2.2.15pre5 and 2.3.36, 2.3.39 and they are ok. not
> > tested 2.3.4[01]. I could'n get the oops(es) because they are bigger
> > than my screen (132x60) - lots entries in Call Trace:
> >
> > could somebody confirm oopses for kernel 2.3.4[2345] with the
> > attached program?
> >
>
> Yes, kernel 2.3.44-4. Tomorrow I wil try with 2.3.45.
>
> >From the Oops that I see on the screen (it prints some messages before but very fast :)):
> Oops:
> pointer deref. at virtual addr. 00000008
> Oops 0
> Process swapper(pid=0, ...)
>
> EIP: 0010:c0127210 kmem_cache_free
>
> Call Trace:
> tcp_synack_timer
> tcp_keepalive_timer
> tcp_keepalive_timer
> sys_setresgid16
> bh_action
> tasklet_hi_action
> do_softirq
> do_IRQ
> default_idel
> ....
>
> Aiee, killing int handler
> Kernel panic: Attempted to kill the idle task!

Yup, have it on film.. 2.3.45 hitting apache with ab.

        -Mike

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