Messages in this thread | | | Subject | Re: Kernel Panic New Adaptec - Old Adaptec Works | Date | Tue, 25 Sep 2001 09:35:31 -0600 | From | "Justin T. Gibbs" <> |
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>Hello, > >I am running a dual PIII 933 VIA based motherboard (Gigabyte 6VXDC7). >I have two Seagate Cheetah HDs, and two SCSI cdroms. There are no IDE >devices anywhere in the system, and no support is compiled in the kernel or >as a module for IDE. > >Kernel 2.4.7 works perfectly. I cannot get 2.4.10 to work with the new aha >driver compiled into the kernel. Below is what I was able to capture of the >output
You need to disable all of the "speed up my PCI bus even though it violates the spec) options in your BIOS. The old driver issues a PCI read after every device write to overcome such silliness in broken BIOSes/chipsets. The new driver only issues a read (to flush writes) when synchronization is required. The workaround used in the old driver has too high of a performance penalty which is why the new driver does not do it.
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