10394 SPARC qemu panic in the fd module

Review Request #1468 - Created Feb. 11, 2019 and submitted

Information
Peter Tribble
illumos-gate
10394
Reviewers
general
Attempting to boot Tribblix for SPARC under qemu-system-sparc64, I see:

panic[cpu0]/thread=30001180760: BAD TRAP: type=31 rp=2a1002d2d70 addr=248 mmu_fsr=0 occurred in module "fd" due to a NULL pointer dereference

The fix here is at line 1272, only call fdmotoff if fdc->c_un has been initialized

Constructed an ISO with the fix, it now boots without the panic all the way to the installer prompt.

Robert Mustacchi
Andy Fiddaman
Peter Tribble
Review request changed

Status: Closed (submitted)

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