Re: 2.6.21-rc7-mm2 crash: Eeek! page_mapcount(page) went negative!(-1)

From: Nick Piggin
Date: Wed May 02 2007 - 03:10:50 EST


Tilman Schmidt wrote:
Am 30.04.2007 21:46 schrieb Andrew Morton:

Not really - everything's tangled up. A bisection search on the
2.6.21-rc7-mm2 driver tree would be the best bet.


And the winner is:

gregkh-driver-driver-core-make-uevent-environment-available-in-uevent-file.patch

+ struct kobject *top_kobj;
+ struct kset *kset;
+ char *envp[32];
+ char data[PAGE_SIZE];
+ char *pos;
+ int i;
+ size_t count = 0;
+ int retval;

... that seems like a lot of stack to be using.

--
SUSE Labs, Novell Inc.
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