Yes, this isn't good at all. We will need to look and see how that 17th
segment got into the list.
The limit of 16 segments is a hardware limit on the 1542. Nothing we
can do about it.
-Eric
----- Original Message -----
From: Jens Axboe <[EMAIL PROTECTED]>
To: Nigel Chan <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Tuesday, April 04, 2000 8:19 AM
Subject: Re: Bad segment list supplied to aha1542.c
> On Tue, Apr 04 2000, Nigel Chan wrote:
> > Hi all,
> >
> > Whenever I am running 2.3.99-pre3 and try to recompile the kernel I get
the
> > following error:
> > ==========ERROR MESSAGE BEGIN===================================
> > Bad segment list supplied to aha1542.c (17, 0)
> > 0: c009d200 c6ab3400 1024
> > 1: c009d600 c6ada000 1024
> > 2: c009da00 c6ab6800 1024
> > 3: c009c000 c6acfc00 1024
> > 4: c009c400 c6acf400 1024
> > 5: c009c800 c6ad2800 1024
> > 6: c009cc00 c6ad2000 1024
> > 7: c02d7000 c6ad0000 1024
> > 8: c02d7400 c6ac0c00 1024
> > 9: c02d7800 c6ab3c00 1024
> > 10: c02d7c00 c6ac2800 1024
> > 11: c02d6000 c6ac8000 1024
> > 12: c02d6400 c6ac6000 1024
> > 13: c02d6800 c6ac8400 1024
> > 14: c02d6c00 c6ad7c00 1024
> > 15: c02d5000 c6abd000 1024
> > 16: c02d5400 c6abb400 1024
> > cptr c009de00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > <0>Kernel panic: Foooooooood fight!
> > In interrupt handler - not syncing
> > ==========ERROR MESSAGE END=====================================
> >
> > Note: this does not happen when I am running a 2.3.39 kernel and compile
> > the 2.3.99-pre3 kernel.
> > I have read through the info the Documentation directory, but that was
no
> > help. Also, I have the latest version of the utilities listed in the
> > Changes file.
>
> It has to do with the queueing changes that were introduced in 2.3.43,
> which is why it works in 2.3.39. Apparently the aha1542 doesn't like
> requests with more than 16 segments.
>
> This needs to be fixed properly, but for now you ought to get by
> with this crude limit fix.
>
> --
> * Jens Axboe <[EMAIL PROTECTED]>
> * Linux CD/DVD-ROM, SuSE Labs
> * http://kernel.dk
>
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