Re: port-sparc/54789: Sparc boot fails with "Trap 0x21 while interrupts disabled"

[Andrew Doran <ad%netbsd.org@localhost>]

The following reply was made to PR port-sparc/54789; it has been noted by GNATS.

From: Andrew Doran <ad%netbsd.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: port-sparc/54789: Sparc boot fails with "Trap 0x21 while
 interrupts disabled"
Date: Mon, 30 Dec 2019 20:47:41 +0000

    1956 memfault_sun4m:
    1957 	sethi	%hi(CPUINFO_VA), %l4
    1958 	ld	[%l4 + %lo(CPUINFO_VA+CPUINFO_GETSYNCFLT)], %l5
    1959 	jmpl	%l5, %l7
    1960 	 or	%l4, %lo(CPUINFO_SYNCFLTDUMP), %l4
 
 At this point CPUINFO_GETSYNCFLT points into the kernel heap (the exact spot
 it's detonating).
 
 db> x/x f0002024
 f0002024:       f0524fb0