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SubjectRe: rmmod e1000 hangs (Was Re: 2.6.22-rc2-mm1)
On Thu, May 24, 2007 at 11:36:22AM +0100, Jeremy Fitzhardinge wrote:
>
> I got a hang while rmmodding e1000. sysrq-t shows:
>
> rmmod D 003FFAFC 6616 15923 15911 (NOTLB)
> e9341e44 00000092 82318c15 003ffafc e9341e2c 00000000 e9341e14 823187a1
> 003ffafc 00000000 c0123862 d3dbab80 d3dbad1c c2c08a40 77a67d01 000001ca
> 00000292 e9341e24 c03799cd e9341e54 c0540840 e9341e44 00223389 000000ff
> Call Trace:
> [<c03777b1>] schedule_timeout+0x70/0x8e
> [<c03777e4>] schedule_timeout_uninterruptible+0x15/0x17
> [<c0133d04>] msleep+0x10/0x16
> [<c030d5e0>] dev_close+0x39/0x6b

Looks like we're spinning on __LINK_STATE_RX_SCHED. This means that
someone called netif_poll_disable() without re-enabling it again.
Perhaps e1000_io_error_detected? Auke?

Cheers,
--
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