Mike wrote:
Unable to handle kernel paging request at virtual address c034a000Fault trying to read from address 0xc034a000: the page is not mapped.
printing eip:
c0134d5a
*pde = 00102027
*pte = 0034a000
Oops: 0000 [#1]In store_stackinfo: the function stores a backtrace of the last kmem_cache_free caller in the object - might be useful, and the memory is not used.
CPU: 0
EIP: 0060:[<c0134d5a>] Not tainted
EFLAGS: 00010002
EIP is at store_stackinfo+0x4e/0x80
eax: 00000000 ebx: c7802f98 ecx: c0301390 edx: c030138cThe esp value is sane, the stack is at 0xc0348000, and the fault is at 'a000: just behind the end of the stack.
esi: c0349ffe edi: 017e0008 ebp: c0349da6 esp: c0349d96
ds: 007b es: 007b ss: 0068
Process swapper (pid: 0, threadinfo=c0348000 task=c02fcbe0)
I assume the fauling line is
svalue = *sptr++;
It looks like store stackinfo accesses memory behind the end of the stack.
Which gcc version do you use? Could you send me mm/slab.o?