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port-sgimips/53793: SGI o2 panic on boot due to TLB miss

>Number:         53793
>Category:       port-sgimips
>Synopsis:       SGI o2 panic on boot due to TLB miss
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-sgimips-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Dec 16 18:40:00 +0000 2018
>Originator:     Sevan Janiyan
NetBSD 8.99.27 sgimips mipseb
Booted the o2 without the soundcard installed which is the only thing I did differently this time.
[   1.0000000] ahc1: aic7880: Ultra Wide Channel A, SCSI Id=0, 16/253 SCBs
[   1.0000000] scsibus1 at ahc1: 16 targets, 8 luns per target
[   1.0000000] vendor 10a9 product 0005 (miscellaneous prehistoric, revision 0xd0) at pci0 dev 3 function 0 not configured
[   1.0000030] pid 0(system): trap: cpu0, TLB miss (load or instr. fetch) in kernel mode
[   1.0000030] status=0x7803, cause=0x408, epc=0x8041b9d0, vaddr=0
[   1.0000030] tf=0x80003c20 ksp=0x80003cc0 ra=0x8009388c ppl=0x80003d1f
[   1.0000030] kernel: TLB miss (load or instr. fetch) trap
Stopped in pid 0.1 (system) at  netbsd:callout_reset+0x34:      lw      s1,0(s2)
0x80003cc0: callout_reset+34 (83f7a958,28,80094664,83f7a900) ra 8009388c sz 48
0x80003cf0: mavb_intr+11c (83f7a958,28,80094664,83f7a900) ra 8008f484 sz 40
0x80003d18: mace_intr+68 (83f7a958,28,80094664,83f7a900) ra 80087618 sz 48
0x80003d48: crime_intr+12c (83f7a958,28,80094664,83f7a900) ra 800698f8 sz 64
0x80003d88: cpu_intr+144 (0,28,80094664,83f7a900) ra 80071bcc sz 64
0x80003dc8: mips3_kern_intr+cc (1,6,806a0000,80685c20) ra 803e31d0 sz 192
0x80003e88: initclocks+50 (1,6,806a0000,80685c20) ra 805261ac sz 96
0x80003ee8: main+3d0 (1,6,806a0000,80685c20) ra 80069108 sz 96
0x80003f48: kernel_text+108 (1,6,806a0000,80685c20) ra 0 sz 0
User-level: pid 0.1



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