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

[Pyun YongHyeon]

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