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SubjectRe: aic7xxx freezes with kernel 2.4.13
On Wed, Nov 07, 2001 at 04:20:17PM +0100, Pim Zandbergen wrote:
> Hi,
> I've got a Dell PowerEdge 1300 with dual PIII's and dual aic7xxx
> controllers. One controller is onboard, the other is in a PCI slot.
> The system is running Red Hat 7.1 with kernel 2.4.13.
> Lately, this system is experiencing freezes that may last one or two
> minutes. These usually occur during heavy Samba activity. After the
> freeze, the system usually recovers, but by then, the Samba clients
> have timed out their operations.
> Syslog shows the freezes are related to the SCSI subsystem. I'm having
> trouble interpreting this information. Is my hardware suspect or could
> this be a driver bug?
> Syslog entries (with aic7xxx=verbose) showing the boot process and a
> system freeze can be found on
> (98.080 bytes) or
> (6.410 bytes)

cristian: same problem here. posted some time ago on linux-kernel and
some days ago on linux-scsi. no solution so far...

my config, in a very few words:
- tyan SMP motherboard + 2xAthlon
- adaptec aic7xxx (2 onboard 1 PCI - tried with all of them, same
- IBM HDD - mines are the 36 GB model -
it seems yours are the 18 GB model -
(more details in the postings on linux-kernel, linux-scsi)

is adaptec+ibm a "dangerous" combination??
what is strange is that the "freezing" behaviour appears randomly, even
though it seems to be connected to "heavy" accesses to the HDD.

please let me know if you have found a solution for this problem,

bye now!
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