The following reply was made to PR port-alpha/36628; it has been noted by GNATS.

From: "Christoph Franzen" <ChristophFranzen@gmx.net>
To: Izumi Tsutsui <tsutsui@ceres.dti.ne.jp>
Cc: gnats-bugs@NetBSD.org
Subject: Re: port-alpha/36628: cdhdtape image panics with memory management trap on Jensen
Date: Sat, 28 Jul 2007 15:46:43 +0200

 Now it says: "stray eisa irq 12", the SRM console is OK afterwards:
 --------------------
 NetBSD 4.0_BETA2 (GENERIC_MD) #2: Sat Jul 28 12:59:01 JST 2007
         tsutsui@mirage:/r/work/src-
 4.0/src/sys/arch/alpha/compile/GENERIC_MD
 [...]
 ahb0 at eisa0 slot 2: Adaptec AHA-1742A SCSI
 ahb0: INTDEF configured to use irq 12, ECU configured to use irq 12
 ahb0: interrupting at eisa irq 12
 scsibus0 at ahb0: 8 targets, 8 luns per target
 [...]
 fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
 pcppi0: attached to attimer0
 enabling interrupts
 stray eisa irq 12
 stray eisa irq 12
 stray eisa irq 12
 stray eisa irq 12
 stray eisa irq 12
 stray eisa irq 12
 stray eisa irq 12
 stray eisa irq 12
 stray eisa irq 12
 stray eisa irq 12; stopped logging
 Stopped in pid 0.1 (swapper) at netbsd:cpu_Debugger+0x4:        ret   
   zero,(ra
 )
 db> trace
 cpu_Debugger() at netbsd:cpu_Debugger+0x4
 comintr() at netbsd:comintr+0x138
 com_jensenio_intr() at netbsd:com_jensenio_intr+0x24
 interrupt() at netbsd:interrupt+0x230
 XentInt() at netbsd:XentInt+0x1c
 --- interrupt (from ipl 0) ---
 spl0() at netbsd:spl0+0x30
 cpu_configure() at netbsd:cpu_configure+0x7c
 configure() at netbsd:configure+0x7c
 main() at netbsd:main+0x1b4
 locorestart() at netbsd:locorestart+0x64
 --- root of call graph ---
 db> ps /w
  PID          COMMAND     EMUL  PRI UTIME STIME WAIT-MSG    WAIT-
 CHANNEL
 >0            swapper   netbsd    0   0.0   0.0
 db> show event
 evcnt type 0: uvmmap ukh_alloc = 2
 evcnt type 0: uvmmap uke_free = 10
 evcnt type 0: uvmmap uke_alloc = 65
 evcnt type 0: uvmmap mlk_hint = 1
 evcnt type 0: uvmmap mlk_call = 6
 evcnt type 0: uvmmap map_call = 60
 evcnt type 0: uvmmap knomerge = 12
 evcnt type 0: uvmmap kbackmerge = 48
 evcnt type 1: cpu0 device = 8488145
 evcnt type 1: eisa irq 12 = 8488144
 evcnt type 1: vector 0x900 = 1
 db> show uvmexp
 Current UVM status:
   pagesize=8192 (0x2000), pagemask=0x1fff, pageshift=13
   2098 VM pages: 0 active, 0 inactive, 0 wired, 1969 free
   pages  0 anon, 0 file, 0 exec
   freemin=0, free-target=0, wired-max=0
   faults=0, traps=1, intrs=8488145, ctxswitch=0
   softint=0, syscalls=0, swapins=0, swapouts=0
   fault counts:
     noram=0, noanon=0, pgwait=0, pgrele=0
     ok relocks(total)=0(0), anget(retrys)=0(0), amapcopy=0
     neighbor anon/obj pg=0/0, gets(lock/unlock)=0/0
     cases: anon=0, anoncow=0, obj=0, prcopy=0, przero=0
   daemon and swap counts:
     woke=0, revs=0, scans=0, obscans=0, anscans=0
     busy=0, freed=0, reactivate=0, deactivate=0
     pageouts=0, pending=0, nswget=0
     nswapdev=0, swpgavail=0
     swpages=0, swpginuse=0, swpgonly=0, paging=0
 db> reboot 0x8
 halted.
 
 
 ?05 HLT INSTR
   PC= FFFFFC00.00300118 PSL= 00000000.00000006
 
 >>> sh dev
 
   BOOTDEV      ADDR      DEVTYPE    RM/FX    DEVNAM      REV     
 NUMBYTES
   -------      ----      -------    -----    ------      ---     -----
 ---
   FD0          PC Floppy DISK       RM
   SCSI Devices..
   DKA0         A/0/0     DISK       FX       CFP2105     2D4D      
 2.14GB
   DKA400       A/4/0     RODISK     RM       CD-R        1.4D    
 ......
   DKA500       A/5/0     DISK       FX       CP30540     B0BC    
 545.74MB
   HOST         A/7/0     PROC                AHA1742A    E
 
 >>>
 --------------------
 -- 
 Christoph Franzen