Re: Linux 2.2.3-ac4, AIC7xxx no-go (works under 2.0.36 / 2.0.37)

Mike (mike@oxlug.org)
Thu, 25 Mar 1999 15:18:46 +0000 (GMT)


On 24 Mar 1999, Henning P. Schmiedehausen wrote:

> The whole system runs fine (> 50 days of uptime) under 2.0.36pre15,
> 2.0.36 and now 2.0.37ac8. I run with
> aic7xxx="verbose.tag_info:{{16.16.16.16.16.16.16}.{16.16.16.16.16.16.16}.{16.16.16.16.16.16.16}}"
>
> and all relevant drives report a tag queue of 16. This is with aic7xxx
> driver 5.1.7 from the 2.0.37ac8 kernel.
>
> When I decided to upgrade the kernel to 2.2.3-ac4, the whole machine
> broke down. The kernel never even completed scanning of the drive
> chains. The first disk (DCAS) was reported as "synchrous at 20
> MBit/sec", then a timeout occured, the scb was aborted and the loop
> repeated. Sometimes, the second drive (9 GB UW on the internal chain)
> was found at 40 MBit/sec but it never went as far as detecting the
> TEAC CDROM. The new driver identifies itself as "5.1.12".
>

If you are using SMP, try passing "noapic" to your kernel and see if that
helps.

-- 
Mike <rickettm@ox.compsoc.net>

A prohibitionist is the sort of man one wouldn't care to drink with -- even if he drank. -- H.L. Mencken

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