Messages in this thread | | | Date | Tue, 15 Sep 2009 09:48:02 +0200 | From | Ingo Molnar <> | Subject | Re: [origin tree SLAB corruption #2] BUG kmalloc-64: Poison overwritten, INFO: Allocated in bdi_alloc_work+0x2b/0x100 age=175 cpu=1 pid=3514 |
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* Ingo Molnar <mingo@elte.hu> wrote:
> > trying to pull in: > > > > git://git.kernel.dk/linux-2.6-block.git writeback > > > > and see if it reproduces there? That path has been cleaned up > > considerably there. > > I gave it a test-pull - and the bug does not trigger anymore. > > Note, that may not mean much: your tree is based on a fresh upstream > tree so it pulled a lot of new stuff into -tip that i have yet to > test/validate. It also changed the kernel image size/layout > considerably and this bug seems to be a very narrow to hit race of > sorts.
Btw., is there anything in your cleanups that could explain this bug? Some list handling bug? A double free? Uninitialized memory? Race between block IRQs and process context?
Ingo
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