Daniel Smolik a écrit :
BERTRAND Joël napsal(a):
Daniel Smolik a écrit :
BERTRAND Joël napsal(a):
Hello,
I have seen a very strange deadlock on a UltraSPARC 2
workstation (2 UltraSPARC-II/296 MHz, 2048 MB, framebuffer Creator3D
on UPA slot, 2 73 GB SCA disks that form a raid1 array).
Hardware sounds good and I have tested it with SUNvts during two
days without any failure.
This workstation is a mail server and runs with Debian/testing,
kernel 2.6.20. It's a NIS and NFSv3/TCP clients. Its uptime was more
than 9 days and it hangs without any message in the log, without
panic and without oops. When it hangs, the queue of sendmail was
about 3 GB due to a failure of a internet peering. I have rebooted
the workstation (power button :-( ). You can find my .config at
http://rayleigh.systella.fr/~bertrand/config-sun4u-2.6.20.gz
I don't know how debug this bug...
Hi,
do you have attached console ?
No... I don't have any console.
Do you try STOP-A ?
Stop+A doesn't help. I have tried, of course ;-)
I have similar problem on E450 tomorrow. After each second reboot
system hang and I can't STOP-A. Only power-off helps. System hang
after udev insert sg module. I disable udev and this solve my problem.
Do you think that /etc/init.d/udev stop can solve this trouble ?
I turn off udev now and it helps. Test if have or not inserted sg module.
Some news.
1/ I have built a monolithic 2.4.34.1 kernel. With this kernel, I only
see a "kernel unaligned trap" but not any dead lock. After this trap,
kernel hangs but the U2 can be restarted with stop+A ;
2/ I have tested hardware with SUNvts and it sounds good ;
3/ I'm building a 2.6.20.2 with all debug options to debug ;
4/ I have tried without udev, sg, and success.
Regards,
JKB
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