[Bug 211389] Translation Fault (L1) when executing a DTrace script

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211389

            Bug ID: 211389
           Summary: Translation Fault (L1) when executing a DTrace script
           Product: Base System
           Version: 11.0-BETA2
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: arm
          Assignee: freebsd-arm at FreeBSD.org
          Reporter: venture37 at geeklan.co.uk

Executing the following one liner on a Raspberry Pi (type B, 256MB RAM) results
in a Translation Fault (L1) error & the system reboots

dtrace -n 'fbt:kernel:*_interrupt:entry { @m[execname] = count() }'

login: IMPLEMENT ME: dtrace_toxic_ranges
Fatal kernel mode data abort: 'Translation Fault (L1)' on read
trapframe: 0xc12fbad8
FSR=00000005, FAR=bfbfebc0, spsr=60000193
r0 =c2132de8, r1 =c12fbb98, r2 =00000000, r3 =bfbfebc0
r4 =c2598bc0, r5 =c2132f00, r6 =c01ba5c0, r7 =c1b50670
r8 =c12fbc90, r9 =c1ab5370, r10=c1b4a000, r11=c12fbb78
r12=00000000, ssp=c12fbb68, slr=c215a39c, pc =c219324c

running the stock FreeBSD 11.0-BETA2 r303168 image.

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