Re: port-sparc64/57350: Panic during shutdown on sun fire v445 system

[Taylor R Campbell <riastradh%NetBSD.org@localhost>]

The following reply was made to PR port-sparc64/57350; it has been noted by GNATS.

From: Taylor R Campbell <riastradh%NetBSD.org@localhost>
To: palle%lyckegaard.dk@localhost
Cc: gnats-bugs%NetBSD.org@localhost
Subject: Re: port-sparc64/57350: Panic during shutdown on sun fire v445 system
Date: Thu, 13 Apr 2023 20:14:37 +0000

 > [ 118.9048802] panic: mutex_vector_enter,511: uninitialized lock (lock=3D=
 0x108643018, from=3D01645508)
 
 Do you have netbsd.gdb?  Can you get `list *(0x01645508)' output from
 it in gdb?  Is 0x01645508 a reasonable kernel text address on sparc64?
 
 > [ 118.9048802] cpu0: Begin traceback...
 > [ 118.9048802] cpu0: End traceback...
 
 Seems bad.  Do stack traces work on this machine normally?  Can you
 test with `sysctl -w debug.crashme_enable=3D1 debug.crashme.panic=3D1'?
 (This will deliberately panic the system.)
 
 > [ 119.1579070] Mutex error: mutex_vector_enter,511: assertion failed: !cp=
 u_intr_p()
 > [ 119.1579070] lock address : netbsd:xc_high_pri
 
 Looks like something is trying to issue a cross-call from interrupt
 context.  I wonder what could be doing that?  Too bad we don't have a
 stack trace...