msk msk0 watchdog timeout freeze hang lock stop problem

Alnis Morics alnis.m at
Sun Jul 26 11:15:22 UTC 2015

On 07/26/2015 01:40 PM, Yonghyeon PYUN wrote:
> On Sat, Jul 25, 2015 at 02:08:10PM +0300, Alnis Morics wrote:
>> Just tried 10.2-RC1 amd64 GENERIC, and the problem seems to be gone. I
>> was even able to scp a 500 MB file. Could it be related to this fix in
>> BETA2, as mentioned in the announcement, "The watchdog(4) device has
>> been fixed to print to the correct buffer."?
> msk(4) will show watchdog timeouts when it detects driver TX path
> is in stuck condition but I believe this has nothing to do with
> watchdog(4).
> There was no msk(4) code change in 10.2-RC1.  If you happen to see
> the watchdog timeouts again, please try attached patch and let me
> know whether it makes any difference for you.  I didn't get much
> feedbacks on the patch so I'm not sure whether it really fixes the
> root cause.
>> pciconf -lv
>> [..]
>> mskc0 at pci0:9:0:0:    class=0x020000 card=0xc072144d chip=0x435411ab
>> rev=0x00 hdr=0x00
>>      vendor     = 'Marvell Technology Group Ltd.'
>>      device     = '88E8040 PCI-E Fast Ethernet Controller'
>>      class      = network
>>      subclass   = ethernet
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Thanks, Pyun. If the watchdog timeouts reappear, I'll try the patch and 
give notice about the results.


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