Re: lock up

Joao Pedras wrote:
Greetings all!

A system (Tyan S2932) I am testing CURRENT amd64 with is experiencing a
strange lock up. No panic, not much on the console, just a lock up, freeze.

I first noticed the issue while tailing a build in a ssh session over a
vpn connection. On the local network the issue doesn't seem to occur.
I can reproduce the lock up all the time.

Last I tried, the system was running CURRENT from a couple hours ago.

I have tried:

- 4BSD and ULE
- switching network cards
- taking the IPMI card out (seems to work locally with freeipmi and
ipmitoll remotely)
- enabled/disabled "redirection after post" (BIOS setting)
- without debug
- without IPv6 and friends (see rtfree below)

dmesg and pciconf attached. The dmesg is after a lock up.
rtfree pops a few times before the lock up. I noticed from a recent post
some action was taken and the related patch is there (ie. today's CURRENT).

The system had a fresh install this past weekend and the LSI MegaRAID
array doesn't contain any data, it is just mounted. The system boots off
the onboard LSI SAS (couple disks in RAID 1).

Thank you for your input.

Break to DDB and obtain process traces, etc. See the developers handbook.

Kris

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