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

[Oleg Derevenetz]

>>> > Oleg, one thing you can do to make this less painful is to
>>> > run your machine's console over serial port.
>>> >
>>> > First get a crossover serial cable, make sure it works from one
>>> > box to another, it should be easy to run "tip com1" on both
>>> > boxes to ensure that it works.
>>> >
>>> > Then you just need to add console=comconsole to /boot/loader.conf
>>> > and your box's console should come over serial.
>>> >
>>> > Then on the machine watching the console, you can just do this:
>>> >
>>> > % script
>>> > Script started, output file is typescript
>>> > % tip com1
>>> > ...do ddb stuff now...
>>> > ...stop tip
>>> > % exit
>>> >
>>> > now you should have everything logged into a file called "typescript"
>>> > should save you a big headache.
>>>
>>> Thanks, I'll try it in the monday morning.
>
> I posted a followup to kern/104406 that includes all information listed in "Debugging Deadlocks" chapter of FreeBSD Developer's > 
> Handbook. Can anyone take a look on it and say - is this certainly a hardware problem or some sort of software problem ?

Anyone ? :-)

--
Oleg Derevenetz <oleg at vsi.ru> OOD3-RIPE
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