On Wed, 2006-05-31 at 08:38 +0200, Guennadi Liakhovetski wrote: > On Tue, 30 May 2006, Arjan van de Ven wrote: > > > On Tue, 2006-05-30 at 17:20 +0200, Guennadi Liakhovetski wrote: > >> Hi all > >> > >> I am not a specialist in ix86 asm / architecture, therefore a question > >> here. Under 2.4.30 I've got an Oops below. > >> > >> <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 > >> c010c881 > >> <1>*pde = 00000000 > >> Oops: 0002 > >> CPU: 0 > >> EIP: 0010:[<c010c881>] Tainted: P > > > > what modules are you using? > > It's some our local module. No idea what it does. But the question is > purerlly theoretical - how can such an oops happen and what it means? it's probably a garbled oops; they happen, esp when things go out of sync > I > think in the meantime, the "mov" instruction itself cannot cause it. So, > is it corrupted stack, or "imprecise abort", or what? sometimes the tooling shows the oops one instruction "late" -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
