When will the new BCE driver in HEAD
be incorporated into RELENG_6?
Scott Long
scottl at samsco.org
Wed Oct 18 22:01:39 UTC 2006
Tom Judge wrote:
> Kris Kennaway wrote:
>
>> On Wed, Oct 18, 2006 at 06:15:14PM +0100, Jason Thomson wrote:
>>
>>
>>> Using the driver from HEAD* in the latest RELENG_6 didn't fix our
>>> problems.
>>>
>>> We could still trigger the Watchdog timeout when copying a local file to
>>> an NFS mounted filesystem (UDP mount, GigE speeds).
>>>
>>> It was also possible to trigger this bug with multiple simultaneous TCP
>>> streams, but that took a little longer.
>>>
>>> Copying a local file to an NFS/UDP filesystem would trigger the bug in a
>>> few seconds.
>>>
>>> If there's anything we can do to help debug this, please let us know.
>>>
>>
>>
>> Per my previous mails, the (known) bce watchdogs are symptoms of
>> driver bugs which can be usefully converted into panics by enabling
>> INVARIANTS and INVARIANT_SUPPORT. Please do so, then report what
>> happens.
>>
>> Kris
>>
>
> Hi Kris,
>
> I am a colleague of Jason's, when we were testing this patch the kernel
> used had both options set:
>
> option INVARIANTS
> option INVARIANT_SUPPORT
>
> Although on several boxes we have failed to cause a kernel panic, only
> watchdog timeouts. However the last crash that we reproduced did
> trigger several:
>
> bce: need to defrag
>
> Messages on the console before the watchdob timeout occured.
>
>
> Tom
This is a debugging message that I accidentally left in. It may relate
to the problem, I'll take a look.
Scott
More information about the freebsd-stable
mailing list