On 24/05/07, Andrew Morton <[EMAIL PROTECTED]> wrote:
On Wed, 23 May 2007 23:05:24 +0200 Michal Piotrowski <[EMAIL PROTECTED]> wrote:> Christoph Lameter napisa__(a): > > On Wed, 23 May 2007, Michal Piotrowski wrote: > > > >> Christoph, this looks like a bug in SLUB. > > > > Please boot with slub_debug to find the bad code that overwrites a slab > > object after it was freed. > > > > > > [ 19.096577] Real Time Clock Driver v1.12ac > [ 21.650315] *** SLUB kmalloc-8: Redzone [EMAIL PROTECTED] slab 0xc528c530 > [ 21.657365] offset=3360 flags=0x400000c3 inuse=61 freelist=0xc90f6d58 > [ 21.664349] Bytes b4 0xc90f6d10: 00 00 00 00 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ > [ 21.674305] Object 0xc90f6d20: 31 30 31 39 2e 30 30 35 1019.005 > [ 21.684259] Redzone 0xc90f6d28: 00 cc cc cc .______ > [ 21.694265] FreePointer 0xc90f6d2c -> 0xc90f6d58 > [ 21.699061] Last alloc: get_modalias+0x61/0xf5 jiffies_ago=53 cpu=1 pid=554 > [ 21.706362] Filler 0xc90f6d50: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ argh, I never 100% understood the slab gobbledygook, and now we have slub gobbledygook. I _hope_ what that's saying is that the 00 at 0xc90f6d28 wasn't supposed to be there. Obvious bug: --- a/drivers/firmware/dmi-id.c~a +++ a/drivers/firmware/dmi-id.c
Problem fixed. Thanks! Regards, Michal -- Michal K. K. Piotrowski Kernel Monkeys (http://kernel.wikidot.com/start) - 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/
