Adaptec 2482 versus Debian 1.2.5
Perhaps this is old news, but I thought I'd pass it on just in case.
I recently upgraded to linux kernel 2.0.27 (using Debian 1.2.5) from
linux 2.0.7. The distribution kernel image panicked at boot: right
after the (normal) scsi bus reset it generated a "spurious interrupt"
and never regained its composure.
My next step (after rebooting 2.0.7 and watching fsck work) was to
compile a custom kernel with support for the Adaptec controller in the
kernel. This booted fine.
The important difference I can think of between the distribution
kernel and my custom kernel is that the distribution kernel likely
loads the scsi driver as a module (after booting part way from a RAM
disk), whereas my custom kernel compiles the scsi driver into the
kernel.
I understand that a generic distribution kernel should load unusual
drivers and options as modules to keep the size of the kernel
manageable. I guess there needs to be a work-around when touchy
hardware (e.g. scsi controllers) fails to work with a module-loaded
driver.
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Danny Heap, UCSF, 3333 California St., Room 102, SF CA, 94118
danny@maxwell.ucsf.edu, voice: (415) 476-8910, fax: (415) 476-1508
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