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Re: System lockup

From: "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com>
To: DeJuan Jackson <djackson(at)speedfc(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, <pgsql-general(at)postgresql(dot)org>
Subject: Re: System lockup
Date: 2003-03-31 19:30:27
Message-ID: Pine.LNX.4.33.0303311228230.12130-100000@css120.ihs.com (view raw or flat)
Thread:
Lists: pgsql-general
On Mon, 31 Mar 2003, DeJuan Jackson wrote:

> Then I think it's a kernel (Red Hat kernel 2.4) bug, because I've had 
> the same issue on 4 different machines of different ages and 
> configurations, using the same or similar datasets and using different 
> ones.  I wanted to eliminate postgres as a culprit because it would be 
> the easiest thing to correct. 
> 
> As noted in my previous post I'm currently experiencing the problem on a 
> Red Hat 8.0 and 7.2 (fully errata patched) (and am currently testing a 
> RH7.1 install without patching the kernel to see what I get [so far no 
> lockups {4 days production load}]). 
> 
> So, I think it's time ti switch to FreeBSD, or move my question to a Red 
> Hat list.  I'll give the Red Hat geeks a chance to answer before 
> becoming a trait..., I mean moving to FreeBSD.

I use RH 7.2 for VERY heavy database/apache/ldap load and it never ever 
locks up.  How's your setup for things in the BIOS?  I've found that 
settings like SMP mode 1.1 versus 1.4 in some BIOSes makes a difference 
(lockups with 1.1, works fine in 1.4).  I'd take a look at what's common 
on the boxes hardware wise, i.e. NICs, motherboards, video cards, hard 
drives, scsi controllers, BIOS settings for the PCI bus or memory speed 
etc...


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