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. 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. > 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. Could a hardware-error cause this? Thanks again, -- Philipp Tölke -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
