Re: rmmod e1000 hangs (Was Re: 2.6.22-rc2-mm1)

[Herbert Xu]

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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Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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