On May 29, 2007, at 4:26 PM, Kris Kennaway wrote:
On Tue, May 29, 2007 at 03:36:49PM -0700, Scott Willson wrote:
I am seeing hard (often no core dump) crashes on a new AMD64 box
running 6.2 RELEASE. When I try to rsync 10+ GB of backup files to
the new box, I can reliably crash it after about 20 minutes; often
quicker if I do something else intensive at the same time, like
compile MySQL. Here are the box specs:
ASUS M2NPV-VM motherboard
AMD A64 3800+ 2.4G CPU
...
Most times, I don't even get a core dump. Here's one I did get:
panic: double fault
...
#9 0xffffffff804371f0 in m_freem (mb=0x0) at uma.h:303
#10 0xffffffff80634125 in nve_ospackettx (ctx=0xffffff00798aac00,
id=0xffffffffb19ea6d0, success=0) at /usr/src/sys/dev/nve/if_nve.c:
1551
This looks like a nve driver bug to me. You may wish to try the
nfe driver.
Kris
OK, my box is running nicely now. The nfe driver was indeed a good
idea, thanks! Here are the details if anyone else has similar problems.
10baseT hub + nve = kernal panics under high load
This is the default FreeBSD 6.2 RELEASE configuration.
10baseT hub + nfe + e100phy patch = errors under high load (tx v2
error 0x6204<UNDERFLOW>, watchdog timeout)
http://www.se.hiroshima-u.ac.jp/~shigeaki/software/freebsd-nfe.html
This is a replacement driver + recommended path for my hardware. No
panics, but many errors.
10baseT hub + nfe with no patches = errors under high load (tx v2
error 0x6204<UNDERFLOW>, watchdog timeout)
10/100/1000baseT switch + nfe + e100phy patch = errors under high
load (tx v2 error 0x6204<UNDERFLOW>, watchdog timeout)
10/100/1000baseT switch + nfe = No errors!
This is a new switch and the nfe driver with no patch. In dmesg, I
see 'ukphy0' when I boot.
So, as you may have surmised, my motherboard + an old 10baseT hub
doesn't work right with any driver. I replaced my very old hub with a
new switch, and I am now running the nfe driver with ukphy0. This
combination works great.
Scott
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