Re: port-sgimips/58269

[<iwama%t3.rim.or.jp@localhost>]

The following reply was made to PR port-sgimips/58269; it has been noted by GNATS.

From: <iwama%t3.rim.or.jp@localhost>
To: <gnats-bugs%NetBSD.org@localhost>
Cc: 
Subject: Re: port-sgimips/58269
Date: Wed, 22 May 2024 07:31:32 +0900

 A similar problem occurred on O2 with NetBSD-9.4.
 
 > hinv
                    System: IP32
                 Processor: 400 Mhz R12000, with FPU
      Primary I-cache size: 32 Kbytes
      Primary D-cache size: 32 Kbytes
      Secondary cache size: 2 Mbytes
               Memory size: 448 Mbytes
                  Graphics: CRM, Rev C
                     Audio: A3 version 1
                 SCSI Disk: scsi(0)disk(2)
                SCSI CDROM: scsi(0)cdrom(4)
                 SCSI Disk: scsi(1)disk(2)
                 SCSI Disk: scsi(1)disk(3)
 > version
 
 
 PROM Monitor (BE)
 Tue Oct 22 10:58:00 PDT 2002 
 VERSION 4.18
 O2 R5K/R7K/R10K/R12K
 IRIX 6.5.x IP32prom IP32PROM-v4
 
 > boot -f scsi(1)disk(2)rdisk(0)partition(8)boot
 scsi(1)disk(2)rdisk(0)partition(0)netbsd
 54464+1792 entry: 0x80002000
 
 NetBSD/sgimips 9.4 Bootstrap, Revision 1.5 (Sat Apr 20 13:32:22 UTC 2024)
 
 devopen: scsi(1)disk(2)rdisk(0)partition(0) type scsi file netbsd
 7738672+131920 [396528+388532]=0x8419b0
 
 Exception: <vector=Normal>
 Status register: 0x2<IPL=8,MODE=KERNEL>
 Cause register: 0x8008<CE=0,IP8,EXC=RMISS>
 Exception PC: 0x0, Exception RA: 0x8048a508
 Read TLB miss exception, bad address: 0x0
   Saved user regs in hex (&gpda 0x81061838, &_regs 0x81061a38):
   arg: 81070000 46 49 2
   tmp: 81070000 305e 5be6 80842bfc 80842bfc 8083dd5c 80842bfc 4
   sve: 81070000 0 0 0 0 0 0 0
   t8 81070000 t9 0 at 0 v0 0 v1 0 k1 807c0000
   gp 81070000 fp 0 sp 0 ra 0
 
 PANIC: Unexpected exception
 
 [Press reset or ENTER to restart.]
 
   I get around this problem by putting the kernel in IRIX's / partition and
 starting it using sash.
 -- 
 Yoshihiko Iwama