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[christian.klein]

quantum fireball has queue limit of 8 in firmware.
does the driver recognizi this?
also, upgrade firmware as previously suggested.

christian

On Mon, 26 Oct 1998, [iso-8859-1] Christoph Müller wrote:

> Hi everybody,
> 
> I've got a problem with my Adaptec 2940 AU that I've been trying to fix since
> about a year now. It's been the same with Linux-Versions 2.0.30 - 2.0.35, different
> disks, two controllers (of the same kind), new cables and about any adapter setting
> that is possible (with or without reconnection, synchronous mode, reduced speed 
> etc.))
> Currently I'm using a Quantum Fireball 3210 S disk and Linux 2.0.35.
> At times when the disk is heavily used, I get a queue full message which leeds to 
> a reset of the scsi-bus.
> If this happens during backup to a tape (HP SCSI DAT Streamer) it leeds to a system
> crash or sometimes just to errors which are detected when verifying the tape.
> The strange thing is, that any change of settings does not seem to have any effect.
> Using an old AHA 1502 controller everything works fine (but slower).
> Any help would be greatly appriciated.
> 
> Christoph Mueller
> mueller-dlg at t-online.de
> 
> system messages before crash listed below
> 
> Oct 24 00:04:27 linux kernel: (scsi0:0:4:0) Queue full received; queue depth 32, active 8
> Oct 24 01:14:11 linux kernel: Unable to handle kernel NULL pointer dereference at virtual address c0000022
> Oct 24 01:14:11 linux kernel: current->tss.cr3 = 03bab000, Xr3 = 03bab000
> Oct 24 01:14:11 linux kernel: *pde = 00102067
> Oct 24 01:14:11 linux kernel: *pte = 00000000
> Oct 24 01:14:11 linux kernel: Oops: 0000
> Oct 24 01:14:11 linux kernel: CPU:    0
> Oct 24 01:14:11 linux kernel: EIP:    0010:[lookup+157/272]
> Oct 24 01:14:11 linux kernel: EFLAGS: 00010206
> Oct 24 01:14:11 linux kernel: eax: 0009ed58   ebx: 00a64f00   ecx: 00a64f00   edx: 030ef005
> Oct 24 01:14:11 linux kernel: esi: 00fcef74   edi: 00fcef74   ebp: 00000002   esp: 00fcef40
> Oct 24 01:14:11 linux kernel: ds: 0018   es: 0018   fs: 002b   gs: 002b   ss: 0018
> 
> 
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