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usr/src/uts/sun/io/fd.c (Diff revision 1) This makes sense. I wonder though, if we should instead just be setting the value of unit after we've checked the timer. I guess it probably doesn't matter and this is fine. Thanks for putting this together.
10394 SPARC qemu panic in the fd module
Review Request #1468 — Created Feb. 11, 2019 and submitted
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ptribble | |
illumos-gate | |
10394 | |
Reviewers | |
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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.