re(4) lockups on a MSI K9AG Neo2-Digital (7.0-BETA3 amd64)

[Pyun YongHyeon]

On Wed, Nov 28, 2007 at 03:18:55PM +0100, Martin Matuska wrote:
 > Your patch makes this network card interesting. It is now working faster
 > and saving more resources :-) I hope it will find it's way at least into
 > -CURRENT
 > 
 > The locukups might have been solved by your patch or by:
 > http://lists.freebsd.org/pipermail/cvs-src/2007-November/084247.html
 > 

Yes. The scott's patch is very important one as re(4) also uses
fast handler.

 > Anyway, I have now 2 days uptime without any network-card or storage
 > problems at all.
 > 

Glad to hear that. :)
I'll commit it after 7.0 goes out.

 > Pyun YongHyeon schrieb:
 > > On Mon, Nov 26, 2007 at 09:10:43AM +0100, Martin Matuska wrote:
 > >  > Hi,
 > >  > 
 > >  > I am using a MSI K9AG Neo2-Digital (MS-7368) mainboard with 7.0-BETA3 in
 > >  > amd64 mode at a german dedicated server provider.
 > >  > The mainboard has a onboard re(4) ethernet controller. I experience a
 > >  > very strange behaiviour:
 > >  > 
 > >  > When there are large transfers on the onboard SATA controller the re(4)
 > >  > controller starts to have packet loss.
 > >  > 
 > >  > This packet loss does not stop when there is no more load on ata(4).
 > >  > With another high load (like doing a full-system backup) the packet loss
 > >  > keeps increasing up to 90% and more - the system is not accesible over
 > >  > the internet anymore, packets get lost, SSH sessions or http requests
 > >  > get stale, I have to restart the system.
 > >  > 
 > >  > I experience no kernel panics. Another (maybe related) problem that
 > >  > occurs (but does not effect system responsiveness) is described in:
 > >  > http://lists.freebsd.org/pipermail/freebsd-current/2007-November/080525.html
 > >  > 
 > >  > Here is some information about the system:
 > >  > 
 > >  > dmesg (boot -v):
 > >  > http://test.vx.sk/MS-7368/dmesg.txt
 > >  > 
 > >  > pciconf -lcv:
 > >  > http://test.vx.sk/MS-7368/pciconf.txt
 > >  > 
 > >  > dmidecode:
 > >  > http://test.vx.sk/MS-7368/dmidecode.txt
 > >  > 
 > >  > I don't understand why this happens and would like to help debugging
 > > 
 > > Me either. I have a WIP version that fixes other issues on re(4) but
 > > I'm not sure whether it mitigates your issue. The overhauled re(4)
 > > supports larger descriptors(256 instead of 64) and TSO.
 > > http://people.freebsd.org/~yongari/re/if_re.c
 > > http://people.freebsd.org/~yongari/re/if_rlreg.h
 > > 
 > >  > this issue.
 > >  > 
 > > 

-- 
Regards,
Pyun YongHyeon