Date: Fri, 12 Aug 2011 13:05:29 -0700 From: Patrick Mahan <mahan@mahan.org> To: Daryl Sayers <daryl@ci.com.au> Cc: freebsd-questions@freebsd.org Subject: Re: kernel Panic not dumping to swap Message-ID: <4E458789.2040406@mahan.org> In-Reply-To: <201108100533.p7A5XUI9088601@mippet.ci.com.au> References: <201108100533.p7A5XUI9088601@mippet.ci.com.au>
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On 8/9/11 10:33 PM, Daryl Sayers wrote: > I have a FreeBSD 8.2-STABLE (64bit) system with 4G mem installed. I have > had a few kernel panics over the last few weeks and would like to capture > a core dump. I have added the following to /etc/rc.conf > > dumpdev="AUTO" > dumpdir=/var/crash > > The /var/crash is a 5G filesystem (with 4.8G free). > When the machine panics the last 2 lines on the console are something like: > > > Physical memory: 3057 MB > Dumping 204 MB: 189 173 157 141 125 > > > The system then completely hangs and a hardware rest is required. As the dump > does not seem to finish I dont get my core dump in /var/cache when the machine > reboots. > > Any ideas?? > Daryl, A couple of questions: 1) How big is your swap partition? Is it large enough to hold the crash dump? 2) What type of hardware is this? I know that HP Proliants using the CISS raid control fail to produce a crashdump and just hangup these boxes. Perhaps this occurs for other types of hardware? Patrick
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