[ATA] and re(4) stability issues

Victor Balada Diaz victor at bsdes.net
Mon Dec 15 01:02:10 PST 2008

On Fri, Dec 12, 2008 at 01:13:09PM +0100, Victor Balada Diaz wrote:
> On Thu, Dec 11, 2008 at 10:50:21AM +0100, Victor Balada Diaz wrote:
> > On Thu, Dec 11, 2008 at 06:00:56PM +0900, Pyun YongHyeon wrote:
> > > 
> > > I've reverted r185756 which caused GMII access issues on some
> > > controllers. If you are brave enough to try beta code, you can
> > > get latest re(4) in the following URL. Note, I don't have PCIe
> > > based RealTek controllers so the code was not tested at all.
> > > 
> > > http://people.freebsd.org/~yongari/re/if_re.c
> > > http://people.freebsd.org/~yongari/re/if_rlreg.h
> > 
> > I've recompiled the kernel with the first file in sys/dev/re/
> > and the second one in sys/pci/. I'm still testing with MSI enabled.
> > 
> > So far tried rebooting using nextboot(8) (just in case i lost the
> > network card i could boot again) and the card seems to work
> > but i'll continue stress testing the machine with stress + dd +
> > iperf and see if i can take it down. I'll let you know how it goes.
> After a day of stress testing the machine haven't got errors, interrupt
> storms or interface up/down problems. Everything seems fine.
> I'll continue stress testing the machine during the weekend, but
> i would say that this time it's fixed.

Stopped stress testing this morning. After all the weekend testing
seems the re(4) problems were fixed. No single interface up/down error.
netstat -i reports no errors and everything is fine. Thanks a lot!

I'm going to deploy the patches on our production machines.

I've been able to trigger interrupt storms with ATA code, though.

La prueba más fehaciente de que existe vida inteligente en otros
planetas, es que no han intentado contactar con nosotros. 

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