Re: kernel Panic not dumping to swap

2011-08-15 Thread Daryl Sayers

> 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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Re: kernel Panic not dumping to swap

2011-08-12 Thread Patrick Mahan


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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kernel Panic not dumping to swap

2011-08-09 Thread Daryl Sayers

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 Sayers Direct: +612 95525510
Corinthian Engineering   Office: +612 95525500
Suite 54, Jones Bay Wharf   Fax: +612 95525549
26-32 Pirrama Rd  email: da...@ci.com.au
Pyrmont NSW 2009 Australia  www: http://www.ci.com.au
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