> Ah. Not so good. Upgrading from '98 to '99 on my Ultra 40 resulted in
> an unusable system. After booting, and before getting to Hostname: it
> started reporting errors:
>
> atapi_start_cmd: drive select failed
> WARNING: /[EMAIL PROTECTED],0/[EMAIL PROTECTED]/[EMAIL PROTECTED] (ata0):
> timeout: early timeout, target=0 lun=0
>
> this repeated once a minute or so. After about 10 minutes it started to
> look like it was actually making progress (hostname, read ZFS config,
> mount ZFS filesystems, reporting the above errors through syslog rather
> than straight to the console), but then a few minutes later appeared to
> stop making any progress at all, the ata errors disappearing. I will
> get onto defect.opensolaris, I just wanted to warn people here.
You may be running into
6753758 ata driver doesn't work in snv_99 (older systems only?)
The documented workaround is to turn off DMA in /kernel/drv/ata.conf
ata-dma-disabled=1
dsc
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