RELENG_5: ata interrupt problems
Søren Schmidt
sos at DeepCore.dk
Sun Aug 22 05:28:06 PDT 2004
Randy Bush wrote:
>>The actual errors from a 5.3-BETA from today (hand transcribed):
>
>
> thanks for the transcription; i have tendonitis
>
>
>>ad0: 73863MB <HTS548080M9AT00/MG40A50A> [150071/16/63] at ata0-master UDMA100
>>ATAPI_RESET time = 150us
>>ata1-slave: FAILURE - ATAPI_IDENTIFY timed out
>>ATAPI_RESET time = 150us
>>acd0: CDRW <UJDA740 DVD/CDRW/1.04> at ata1-master UDMA33
>>Mounting root from ufs:/dev/ad0s2a
>>[...]
>>ad0: WARNING - READ_DME interupt was seen but timeout fired LBA=41574224
>>[...]
>>ad0: WARNING - READ_DME interupt was seen but timeout fired LBA=41562160
>>ad0: WARNING - READ_DME interupt was seen but timeout fired LBA=41562160
>>ad0: WARNING - READ_DME interupt was seen but taskqueue stalled LBA=41562160
>>Slab at 0xc1c3ff70, freei 3 = 0
>>
>>The "[...]" is just normal startup. It goes as far as the script that
>>attaches my GDBE partition before it panics.
>>
>>And then it panics like below:
>
>
> yep. same on a thinkpad t40p
Since I have a few confirmations that backstepping just ATA doesnt help
at all, I'm not convinced this is an ATA problem, at least not in the
sense that changes to ATA broke it.
-Søren
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