Re: SV: Lockups with 2.4.14 and 2.4.16

From: Hans Reiser (
Date: Tue Dec 11 2001 - 20:10:51 EST

Johan Ekenberg wrote:

>>>## Kernel:
>>> - 2.4.14 and 2.4.16
>>> - Patched for reiserfs-quota with patches found at
>>> ( * 50_quota-patch
>>> * dquota_deadlock
>>> * nesting
>>> * reiserfs-quota )
>>For the 2.4.16 kernel, you used the quota patches from my 2.4.16 dir?
>>The fastest way to rule out filesystem deadlocks is to hook up a serial
>>console and send me the decoded output of sysrq-t.
>I'll look into this. A bit of a problem since there are 10 servers and you
>never know which one is going to lockup next time. Do I really need 10 PC's
>to monitor them simultaneously or could it be done more efficiently? I'm no
>kernel hacker, any pointers as to what tools to use etc would be most
>/Johan Ekenberg
>To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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You need ten serial ports. Actually, a lot of machine rooms have all
their servers connected via serial lines to one machine (or at least
this was true years ago when I was a sysadmin). It makes it a lot
easier to administer them by remote access from home in the middle of
the night.


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