On Fri, 03 Aug 2007 22:46:14 +0200 Philipp T__lke <philipptoelke@xxxxxx> wrote: > Hi Andrew, hi everybody! > > Thanks for the reply! > > Andrew Morton wrote: > >> The oopses: > >> > >> #v+ > >> BUG: unable to handle kernel paging request at virtual address 14001000 > >> [...] > > > > So it looks like q->request_fn points at 0x14001000, which is in outer > > space. > > > > I wonder how that could happen, in the middle of heavy IO operations. > > Possibly a memory scribble. I'd suggest you enable CONFIG_SLAB, > > CONFIG_DEBUG_SLAB, CONFIG_DEBUG_PAGEALLOC. > > That doesn't change anything, apart from adding a line "DEBUG_PAGEALLOC" > to the oopses. drat. > Do I have to enable the debugging manually? After a quick > grep over the sources and a google-session I think not but I'm no > kernel-hacker. No, just enable it. > > You could also try switching > > from CONFIG_SLAB to CONFIG_SLUB, then enable CONFIG_SLUB_DEBUG. > > Unfortunately the only change seems to be, that the Keyboard-Leds don't > flash after the crash. Everything else is the same. drat. > Could a hardware-error cause this? It sounds unlikely. One wouldn't expect it to crash in the same way each time. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
