Messages in this thread |  | | Date | Fri, 14 Sep 2001 15:46:10 +0200 (CEST) | From | Holger Kiehl <> | Subject | Re: AIC7xxx errors in 2.2.19 but not in 2.2.18 |
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On Fri, 14 Sep 2001, Frank Schneider wrote:
> Holger Kiehl schrieb: > > > > Hello > > > > I am getting SCSI errors with an onboard Adaptec AIC-7890/1 Ultra2, but > > only under very heavy disk load and only under kernel 2.2.19. These errors > > do not appear under 2.2.18. > > > > The system I have is a dual PIII-450 with 6 disks attached to the controller. > > All disks are put together in SW-Raid5 array with one configured as hot > > spare. > > > > (..log snipped..) > > > >From Alan's changelog I see that there where changes in the AIC7xxx code. > > Any idea what is wrong here? > > Hello... > > I (and someone else) had also mysterious problems with AIC7xxx and > RAID1/5, but we use Kernel 2.4.x. > Just today Neil Brown has send a patch where he mentioned something about the AIC7xxx driver. But I don't know if this has anything to do with this problem.
> In Kernel 2.4.x you can choose between two versions of the > aix7xxx-driver, one "old" one (Version 5.2.x) and a "new" one (Version > 6.x.x). Do a "cat /proc/scsi/aic7xxx/0" to find your version. > I have played with 2.4.5 and the new aic7xxx driver and did not see the problems here. Have not tried the old one under 2.4.5. Unfortunately I cannot take 2.4.x because of the bigger swap demand.
> We both found out that our problems dissapear when we use the "old" > driver (my tests are still in progress because my error (always the same > scsi-disk falling out of an raid5-array with an "internal error", but > the disk seems to be good) only appeared randomly about once a week, so > i still have to wait if it is really gone. > > So perhaps you can try to use the older driver or determine the version > of your aic7xxx-driver. Perhaps you can use the aic7xxx-driver from > kernel 2.2.18 in Kernel 2.2.19 ? > > You should also boot your system with the parameter "aic7xxx=verbose", > that will provide more infos in the syslog. > Next time when I boot, I will put in this option.
Thanks, Holger
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