Re: 2.6.24-sha1: RIP [<ffffffff802596c8>] iov_iter_advance+0x38/0x70

From: Alexey Dobriyan
Date: Sun Feb 10 2008 - 12:46:21 EST


On Sun, Feb 10, 2008 at 05:00:31PM +0300, wrote:
> This happened during LTP. FWIW, modprobe/rmmod trivial empty module
> together with cat /proc/*/wchan and cat /proc/modules were also running.
>
> Box is E6400, much debugging is on, config below.
>
>
> [ 4057.310000] BUG: unable to handle kernel paging request at ffff810101dbc008
> [ 4057.310000] IP: [<ffffffff802596c8>] iov_iter_advance+0x38/0x70
> [ 4057.310000] PGD 8063 PUD c063 PMD 153baa163 PTE 8000000101dbc160
> [ 4057.310000] Oops: 0000 [1] SMP DEBUG_PAGEALLOC
> [ 4057.310000] CPU 0
> [ 4057.310000] Modules linked in: [last unloaded: foo]
> [ 4057.310000] Pid: 7035, comm: ftest03 Not tainted 2.6.24-25f666300625d894ebe04bac2b4b3aadb907c861 #2
> [ 4057.310000] RIP: 0010:[<ffffffff802596c8>] [<ffffffff802596c8>] iov_iter_advance+0x38/0x70

Reproducible, BTW. As in, leave LTP for a while, go to sauna, return,
watch the corpse.
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