Tom Judge wrote:
Scott Long wrote:
Bill Moran wrote:
I've copied many of the people who I've been working with directly on
this issue.
Can anyone provide a status update on these problems? Discussion seems
to have stopped since Oct 5.
Any new patches to test?
I'm actively working on fixing the driver right now.
Scott
If there are any patches you want testing I have 3 very expensive
paperweights sat around the office at the moment in the form of Dell
PE2950's with twin adapters in them:
bce0: <Broadcom NetXtreme II BCM5708 1000Base-T (B1), v0.9.6> mem
0xf4000000-0xf5ffffff irq 16 at device 0.0 on pci9
bce0: ASIC ID 0x57081010; Revision (B1); PCI-X 64-bit 133MHz
miibus0: <MII bus> on bce0
brgphy0: <BCM5708C 10/100/1000baseTX PHY> on miibus0
brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX,
1000baseTX-FDX, auto
bce0: Ethernet address: 00:13:72:60:35:8a
bce1: <Broadcom NetXtreme II BCM5708 1000Base-T (B1), v0.9.6> mem
0xf8000000-0xf9ffffff irq 16 at device 0.0 on pci5
bce1: ASIC ID 0x57081010; Revision (B1); PCI-X 64-bit 133MHz
miibus1: <MII bus> on bce1
brgphy1: <BCM5708C 10/100/1000baseTX PHY> on miibus1
brgphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX,
1000baseTX-FDX, auto
bce1: Ethernet address: 00:13:72:60:35:88
The easiest way to cause the watchdog time out on these systems is to
write a file larger than 50Mb to an NFS file system that is mounted over
UDP (TCP doesn't cause the time out strangely). From the testing I have
done the timeout is triggered when arround 49Mb has been copied to the
NFS server. Perhaps this could suggest a bug in the udp packet checksum
offload code?
I have 2 systems available to test on right now, one running code from
RELENG_6 just after beta2 was announced, and one cvsup'd from the uk
mirror today.
The kernels are compiled with:
option INVARIANTS
option INVARIANT_SUPPORT
However this doesn't cause a kernel panic.
Let me know if you need any more information.
Tom
It's very easy to make UDP overrun the transmit ring in the bce driver.
This is my primary focus at the moment. After that, I need to look at
performance problems when using cvs.
Scott
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