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SubjectRe: [2.6.0-mm2] e100 driver hangs after period of moderate receive load
Lennert Buytenhek wrote:
> On Wed, Dec 31, 2003 at 07:11:10AM -0500, Jeff Garzik wrote:
>
>
>>>After banging on an e100 card for about ten minutes with a ~60kpps stream,
>>>the interface stops receiving packets. Interrupts come in once every few
>>>seconds (from /proc/interrupts), but no packets are received anymore at
>>>all.
>>>Lots of slab corruption messages in the syslog that were generated during
>>>that packet stream (see other email I sent.) Stopping the packet stream
>>>still leaves the interface unusable. 'ifconfig eth1 down ; ifconfig eth1
>>>up'
>>>seems to fix things.
>>
>>Is NAPI enabled for this driver? The interrupt behavior seems normal
>>for NAPI, but certainly the rest of the behavior does not...
>
>
> Yes, NAPI was indeed enabled.
>
> I 'went back' to 2.6.1-rc1 and that seems fine now. Any patches you want
> me to try on top of 2.6.0-mm2?


Well, the two are vastly different, since -mm2 includes a complete
rewrite of e100.

Does disabling NAPI in -mm2 change anything?

Jeff



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