Re: 2.4.11aa1 and AIC7XXX

Cliff Albert
2001-10-11T14:31:09Z

On Thu, Oct 11, 2001 at 05:39:54PM +0400, Oleg A. Yurlov wrote:

> Oct 10 20:35:31 samson kernel: (scsi0:A:2:0): Locking max tag count at 128
> Oct 10 21:06:31 samson kernel: (scsi1:A:0:0): Locking max tag count at 64
> Oct 11 05:33:09 samson kernel: (scsi0:A:3:0): Locking max tag count at 128
>
> Hardware - SMP 2 CPU, 1GB RAM, M/B Intel L440GX, 5 SCSI HDD, Software
> RAID5 (3 disks) and RAID1.
>
> I found in dmesg:
>
> *** Possibly defective BIOS detected (irqtable)
> *** Many BIOSes matching this signature have incorrect IRQ routing tables.
> *** If you see IRQ problems, in paticular SCSI resets and hangs at boot
> *** contact your vendor and ask about updates.
> *** Building an SMP kernel may evade the bug some of the time.
> Starting kswapd
>
> It's normal or not ? What I can do to fix problem with locking max tag
> count ?

Looks normal, it's that the new aic7xxx driver utilizes a maximum tag queue depth of 255 tags. Your devices are supporting only a maximum tag count of 128, 64 and 128 so it's perfectly normal. Also these 'error' messages should only appear once and no more (until a reboot)

--
Cliff Albert | RIPE: CA3348-RIPE | www.oisec.net
cliff@oisec.net | 6BONE: CA2-6BONE | icq 18461740