READ_BIG w/DVD-pata motion? (kern/133122)

[Charles Owens]

Gavin Atkinson wrote:
> On Mon, 2009-08-17 at 10:58 -0400, Charles Owens wrote:
>   
>> Just under a month ago I added a comment to this bug, to share that
>> we're seeing this issue consistently with one of the HP appliance
>> platforms that we support (with both FreeBSD 7.0 and 7.1).  This bug
>> (marked as "serious") is still in the "open" state, with as yet no
>> sign
>> that anyone is working on it.  Does anyone have a sense as to when it
>> might be given a good look?
>>     
>
> A few bits of information are missing from that PR, it would be useful
> if you could add the following to it:
>
> - A full verbose dmesg
> - two outputs of "vmstat -i", say 10 seconds apart, both before and
> after the problems start.
>
> FWIW, I'm not convinced that your problem is the same as the submitter's
> problem - he's complaining only on issues when he hits the last block of
> the CD, and you're having problems with slow reads throughout the whole
> CD.  If you're not using a "JMicron JMB363 SATA300 controller" it's
> likely your issue is different to kern/133122 and it would be worth
> creating a new PR with a full description of exactly what symptoms you
> see, and the above information.
>
> Gavin
>   

Thanks... we'll work on submitting a new PR as you've suggested.

Charles