Date: 16 Aug 2011 14:39:02 +1000 From: Daryl Sayers <darylXYZ@ci.com.au> To: freebsd-questions@freebsd.org Cc: mahan@mahan.org Subject: Re: kernel Panic not dumping to swap Message-ID: <ynjty9i3r89.fsf@mippet.ci.com.au> In-Reply-To: <4E458789.2040406@mahan.org> References: <201108100533.p7A5XUI9088601@mippet.ci.com.au> <4E458789.2040406@mahan.org>
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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? Thanks Patrick. I have an 8G swap that is plenty big enough for the 4G memory. There is nothing special about the hardware. Its an Asus PB5+ mother board using the onboard IDE port with an old Maxtor 120G drive (6Y120P0).
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