kern/104406: [ufs] Processes get stuck in "ufs" stateunderpersistent CPU load

Oleg Derevenetz oleg at
Thu Nov 1 10:35:23 PDT 2007

>> 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:

Oleg Derevenetz <oleg at> OOD3-RIPE
Phone: +7 4732 539880
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CenterTelecom Voronezh ISP

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