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Hi,

this is a follow-up to my own message.  I got a private response
hinting that if I had either the floppy or joystick drivers these
could cause the problem.  In the INSTALL kernel the floppy drive
is there, but not the joystick.

I removed the floppy driver, and now it just appeared to hang
instead of resetting after a few seconds.  I pressed CTL-ALT-ESC
to get into DDB, and I see a lot of interrupt frames on the
stack, which looks somewhat fishy to me.  The backtrace in DDB
looks as in the attachment.

How can I find out which device is causing all these interrupts?

- H=E5vard

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db> trace
_Debugger(f08e1f80,f036f46c,f01a9905,f08e1f80,170) at _Debugger+0x4
_sget(f08e1f80,170,f036f4c8,f036f474,f0100fd7) at _sget+0x6f
_pcintr(f08dc040) at _pcintr+0x2d
_Xresume1() at _Xresume1+0x2e
--- interrupt ---
_wdcbit_bucket(f08c8e80,ffff,f08e1fa0,f0101d4c,ffff) at _wdcbit_bucket+0x39
_wdcintr(f08c8e80) at _wdcintr+0x60
_Xresume15() at _Xresume15+0x2e
--- interrupt ---
_Xdoreti() at _Xdoreti+0x2c
--- interrupt ---
_Xdoreti() at _Xdoreti+0xc
--- interrupt ---
_Xdoreti() at _Xdoreti+0x2c
--- interrupt ---
_Xdoreti() at _Xdoreti+0xc
--- interrupt ---
_Xdoreti() at _Xdoreti+0x2c
--- interrupt ---
_Xdoreti() at _Xdoreti+0xc
--- interrupt ---
_Xdoreti() at _Xdoreti+0x2c
--- interrupt ---
_Xdoreti() at _Xdoreti+0xc
--- interrupt ---
_Xdoreti() at _Xdoreti+0x2c
--- interrupt ---
_Xdoreti() at _Xdoreti+0xc
--- interrupt ---
_Xdoreti() at _Xdoreti+0x2c
--- interrupt ---
_Xdoreti() at _Xdoreti+0xc
--- interrupt ---
_Xdoreti() at _Xdoreti+0xc
--- interrupt ---
_Xdoreti() at _Xdoreti+0x2c
--- interrupt ---
_Xdoreti() at _Xdoreti+0xc
--- interrupt ---
_Xdoreti() at _Xdoreti+0x2c
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0xc
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x18
--- interrupt ---
_Xdoreti() at _Xdoreti+0x18
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x1b
--- interrupt ---
_Xdoreti() at _Xdoreti+0x
--- interrupt ---
_eintrnames(f0195af8,27b,27b000,f0195ae7,298e000) at _eintrnames+0xe
_cpu_startup(f01b7424,36efcc,36e000,3a4000,36e000) at _cpu_startup+0x22c
_main(0,0,0,0,0) at _main+0x45

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