Re: SCSI broken on 2.4.18?
On Sat, Nov 02, 2002 at 04:25:20AM -0500, Kelledin wrote:
>
> I just spent the last day and a half arguing with a Symbios
> 53c810 controller over whether it was going to work with kernel
> 2.4. I went through 2.4.19, 2.4.18, 2.4.16, and Debian's
> patched 2.4.18, all with no luck (though the thing works just
> fine under Debian's 2.2.20). Gathering debug messages points to
> SCSI bus timeouts.
>
> Now, just for kicks, I threw in a QLogic 1040 controller to see
> how it would respond. It appears to do much the same
> thing--works under 2.2.20, but doesn't work on any of the 2.4
> kernels I've tried. I don't know how to get extra-verbose debug
> messages out of this driver, but I assume it's the same
> problem--which suggests that SCSI is broken on these 2.4 kernels
> and the Alpha.
>
> So what I'd like to know now is, has anyone had better luck than
> I have, or am I just stuck with kernel 2.2 for now?
Your symptoms, SCSI bus timeouts, are sometimes indicative of a
misconfigured kernel.
When you built those custom kernels, were they GENERIC or specific
for the LX? If the latter, AND you are booting from SRM, did you
make sure to answer the "Use SRM as bootloader?" question as YES?
If, on the other hand, you are booting from MILO, make sure to answer
that question as NO.
> For those who'd like to know, the box is a PC164LX motherboard,
> 600MHz 21164 CPU, 512MB PC100, S3 Trio64, Intel PRO/100 NIC, and
> the two SCSI cards I mentioned above.
Have you had any problems with that Trio64 card? Note that under
XFree86 4.1.0 and later, there are a number of cards that'll do 3D
just fine on the LX, like the ATI PCI Radeons, with best performance
on the latest PCI 7500.
> On a side note, how is DMA-enabled performance of the CMD646
> controller on this motherboard? Comparable to Intel PIIX4, or
> something rather less spectacular?
IIRC, it's maybe good to 16MB/s, but I've never used it myself.
--Jay++
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Jay A Estabrook HPTC - LINUX support
Hewlett-Packard Company - MRO1-2/K15 (508) 467-2080
200 Forest Street, Marlboro MA 01752 Jay.Estabrook@hp.com
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