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SubjectRe: 2.6.12 breaks 8139cp
Sorry, i'm retarded, i pasted the wrong changelog line.

<hch@lst.de>
[8139TOO]: Use rtnl_lock_interruptible()

The 8139too thread needs to use rtnl_lock_interruptible so it can avoid
doing the actual work once it's been kill_proc()ed on module removal
time.

Based on debugging and an earlier patch that adds a driver-private
semaphore from Herbert Xu.

Signed-off-by: David S. Miller <davem@davemloft.net>

This seems to be the only patch that contains a change to the 8139too code between
working and non-working code.

nothing in mm's patchset seems to have anything to cause these problems.




Ed Sweetman wrote:

> this is in the changefile to 2.6.11. This seems to be the real
> culprit. I guarantee you if this patch is reverted, there will be no
> problems.
>
> <romieu@fr.zoreil.com>
> [PATCH] r8169: hint for Tx flow control
>
> return 1 in start_xmit() when the required descriptors are not
> available
> and wait for more room.
>
> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
>
>
>
>
> Ed Sweetman wrote:
>
>> Pierre Ossman wrote:
>>
>>> Bjorn Helgaas wrote:
>>>
>>>
>>>
>>>> Your 2.6.11 dmesg mentions the VIA IRQ fixup, but the 2.6.12 one
>>>> doesn't. I bet something's broken there.
>>>>
>>>> Can you try the attached debugging patch? And please collect the
>>>> output of lspci, too.
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>> I tried the attached patch and it had no effect. I also tried porting
>>> the 2.6.11 way of handling the VIA quirk but it didn't have any effect.
>>> I'll try a more complete port tomorrow (it was a bit of a hack this
>>> time).
>>>
>>>
>>>
>> 2.6.11-mm4 doesn't work. So i'm guessing 2.6.11 wont work either
>> which may be why backporting it's via fixes didn't do anything. I'm
>> gonna try vanilla and if that by some crazy chance works, then it'll
>> be fairly easy to see what change did it since mm has a nice Changelog.
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