Thread (1 message) 1 message, 1 author, 2002-05-21

Re: System crash in tcp_fragment()

From: george anzinger <hidden>
Date: 2002-05-21 00:34:21

Andi Kleen wrote:
On Tue, May 21, 2002 at 04:11:00AM +0400, A.N.Kuznetsov wrote:
quoted
Hello!
quoted
It's unfortunately the truth. Even in_interrupt() is buggy current
on SMP preemptive.
And why folks working on preemtive kernel do not repair this?
To all that I remember it is well known issue.
It is fixed on x86-64 @)

if [ "$CONFIG_SMP" = "n" ]; then
   bool 'Preemptible Kernel' CONFIG_PREEMPT
fi
That is not a fix!  It is dodging the issue. ;)

-- 
George Anzinger   george@mvista.com
High-res-timers: 
http://sourceforge.net/projects/high-res-timers/
Real time sched:  http://sourceforge.net/projects/rtsched/
Preemption patch:
http://www.kernel.org/pub/linux/kernel/people/rml
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