kern/104406: [ufs] Processes get stuck
in "ufs" stateunderpersistent CPU load
kris at FreeBSD.org
Sun Nov 4 14:26:21 PST 2007
Oleg Derevenetz wrote:
>>>>> Dumpdev is swap partition on da0 (single physical disk) that
>>>>> connected to Mylex AcceleRAID 170 RAID controller. The problem
>>>>> arrives when I copy large amount of files from FTP to another disk
>>>>> (da1) that is connected to the same RAID controller.
>>>> If the driver or controller is misbehaving it could explain both
>>>> problems. Any chance you can get another disk in there on a
>>>> different controller to dump onto?
>>> Yes, I got IDE disk and saved kernel dump for another static hang
>>> state on it. Here is the dump:
>> Is this just the vmcore, or the debugging kernel also? Both are
>> needed to make sense of the dump.
> Kernel binary with kernel config is here:
> This kernel was built statically, and no modules loaded on boot at all.
> Oleg Derevenetz <oleg at vsi.ru> OOD3-RIPE
> Phone: +7 4732 539880
> Fax: +7 4732 531415 http://www.vsi.ru
> CenterTelecom Voronezh ISP http://isp.vsi.ru
That kernel doesn't appear to match with the vmcore, are you sure it is
the right one? Are you able to successfully run kgdb on these locally?
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