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

Kris Kennaway kris at
Sun Nov 4 07:03:46 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.


More information about the freebsd-stable mailing list