Re: Bug report : reproducible memory allocator bug in 2.6.19.2

From: Martin J. Bligh
Date: Sun Jan 28 2007 - 15:25:53 EST


Mathieu Desnoyers wrote:
Hi,

Trying to build cross-compilers (or kernels) on a 2-way x86_64 (amd64) with
make -j3 triggers the following OOPS after about 30 minutes on
2.6.19.2. Due to the amount of time and the heavy load it takes before it
happens, I suspect a race condition. Memtest86 tests passed ok. The
amount of swap used when the condition happens is about 52k and stable
(only ~800MB/1GB are used).

I am going to give it a look, but I suspect you might help narrowing it
down more quickly. Any insight would be appreciated.

Mmm. that's going to be messy to debug ... but didn't we already know
that kernel was racy? Or is 2.6.19.2 after that fix already? Does 20-rc6
still break?

M.
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