Date: Sat, 6 Jan 2007 13:03:38 +0000 From: Adrian Wontroba <aw1@stade.co.uk> To: freebsd-stable@freebsd.org Subject: Re: System freeze on 6.1/2 when running makeworld and dump Message-ID: <20070106130338.GA55798@steerpike.hanley.stade.co.uk> In-Reply-To: <200701061914.41528.robertsg@westnet.com.au> References: <200701061914.41528.robertsg@westnet.com.au>
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On Sat, Jan 06, 2007 at 07:14:41PM +1100, Geoff Roberts wrote: > I can consistantly make my system freeze when building makeworld and > running dump at the same time. The system actually locks - I have to > hit the reset switch to bring the system back to life. I have an old SMP machine at work which sometimes does something similar during its daily housekeeping, where Apache and Nagios are bounced and a small MySQL database dumped. It sometimes appears to hang during the database dump. The debugger shows many processes waiting for UFS. I suspect that the problem starts several minutes earlier. All of the following help to keep the problem away: Upgrading from a several months old 5-STABLE to 6-STABLE. Inserting 60 second delays at various points. Disabling SMP. No core dump available (Mylex disk controller). My next diagnostic step will be a serial console. -- Adrian Wontroba The biggest mistake you can make is to believe that you are working for someone else.
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