Messages in this thread | | | Date | Thu, 11 Jun 1998 06:10:35 -0500 | From | Doug Ledford <> | Subject | Re: AIC-7XXX 5.0.18 trouble w/ wide devices on narrow channel |
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Matthias Andree wrote: > > Hello everybody, > > I patched my Linux 2.0.34 kernel up to AIC-7XXX driver version 5.0.18 and > encountered a bug.
The bug you listed was fixed in 5.0.19.
> System configuration: > Adaptec 2842VL (Narrow Fast SCSI) > > SyQuest SQ3270S (Narrow SCSI) > Plextor PX-32TS (Narrow Ultra SCSI) > Micropolis 4345WS (Wide Ultra SCSI) > > With 5.0.14 (as of plain linux-2.0.34) and aic7xxx=no_reset, everything > seems to be fine at first glance. > > With 5.0.18, the driver properly detects it has a narrow channel VLB host > adaptor, but negotiates 16-Bit wide transfers with the Micropolis. This must > fail, since it's an 8 bit wide bus. > > Thus, the kernel deletes the corresponding disk entry sda "illegal sector > size" (something around 16 million) and crashes with an "invalid zero > pointer dereference", followed by an oops. I cannot currently trace the > oops, I am setting up the machine for serial console controlled boot-up the > next days. > > Patching aic7xxx_parse_msg to always use 8-Bit transfers did not help > either, it led to bus resets and kernel panic (since it could not mount its > root partition). > > Regards, > MA > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu
--
Doug Ledford <dledford@dialnet.net> Opinions expressed are my own, but they should be everybody's.
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