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

Roland Smith rsmith at
Mon Nov 26 10:43:52 PST 2007

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.

One thing you could check is if the network cards are sharing an irq
with other hardware; "ps -xa | grep '\[irq'"

If so, you could try to enable device polling(4) with ifconfig. The
sysctl kern.polling.enable must be set to 1, and the kernel must be
compiled with 'options DEVICE_POLLING'.

[plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated]
pgp: 1A2B 477F 9970 BA3C 2914  B7CE 1277 EFB0 C321 A725 (KeyID: C321A725)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url :

More information about the freebsd-stable mailing list