On Fri, 2008-02-01 at 22:06 +0100, Gerhard Pircher wrote: > > Could you try booting with 16MB less memory using mem=? > I started the kernel with 512MB RAM (mem=496) and 1.5GB (mem=1520). > The > kernel oopes in both cases with a "Unable to handle kernel paging > request > for data address 0xbffff000", followed by a "Oops: kernel access of > bad > area, sig 11" message. The end of the stack trace shows the > start_here() > function. > I'm not a PowerPC expert, but if 0xbffff000 is a virtual address, then > it would be in the user program address space, right? If it is a > physical > address, then it is somewhere in the unallocated PCI address space
Have you tried DEBUG_PAGEALLOC ? It might fault earlier which might give us better informations. Also, a stactrace from the oops might be useful, along with a copy of your device-tree. Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
