6.0-CURRENT SNAP004 hangs on amr

[Scott Long]

Marcel Moolenaar wrote:
> 
> On Jul 6, 2005, at 7:17 AM, Scott Long wrote:
> 
>> Joao Barros wrote:
>>
>>> On 7/5/05, Andre Guibert de Bruet <andy at siliconlandmark.com> wrote:
>>>
>>>> On Sun, 3 Jul 2005, Mike Tancsa wrote:
>>>>
>>>>
>>>>> amr0: <LSILogic PERC 3/DC> Firmware 161J, BIOS 3.17, 128MB RAM
>>>>
>>>>
>>>> Is this the latest firmware release for the card? I had a number of 
>>>> issues
>>>> with the amr driver with true-blue LSI Logic SCSI RAID cards that
>>>> magically went away after updating the firmware. (PERC 3/DCs are
>>>> Dell-branded LSI cards. You want to visit Dell's support website to get
>>>> any eventual update(s))
>>>>
>>>> Andy
>>>
>>>  I tried upgrading my card to the latest firmware version and the
>>> symptoms remain. It now reads:
>>> amr0: <LSILogic PERC 3/DC> Firmware 197O, BIOS 3.35, 64MB RAM
>>> One thing I noticed: I can press scroll lock and move around through
>>> the console text. I suppose a hanged kernel wouldn't allow this?!
>>> -- 
>>> Joao Barros
>>
>>
>> The kernel isn't hung, it's just forever waiting for an interrupt from
>> the amr card that it'll never get.
> 
> 
> With interrupts disabled during bus enumeration, it should not even
> get interrupts with correct routing, right?
> 

According to the original dmesg, the hang happens well after bus
enumeration is complete and interrupts have been enabled.  It's
happening on a taste I/O from GEOM.

Scott