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Subject: [Bug 211389] Translation Fault (L1) when executing a DTrace script
Date: Tue, 26 Jul 2016 17:42:54 +0000
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X-Bugzilla-Version: 11.0-BETA2
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D211389

            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@FreeBSD.org
          Reporter: venture37@geeklan.co.uk

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

dtrace -n 'fbt:kernel:*_interrupt:entry { @m[execname] =3D count() }'

login: IMPLEMENT ME: dtrace_toxic_ranges
Fatal kernel mode data abort: 'Translation Fault (L1)' on read
trapframe: 0xc12fbad8
FSR=3D00000005, FAR=3Dbfbfebc0, spsr=3D60000193
r0 =3Dc2132de8, r1 =3Dc12fbb98, r2 =3D00000000, r3 =3Dbfbfebc0
r4 =3Dc2598bc0, r5 =3Dc2132f00, r6 =3Dc01ba5c0, r7 =3Dc1b50670
r8 =3Dc12fbc90, r9 =3Dc1ab5370, r10=3Dc1b4a000, r11=3Dc12fbb78
r12=3D00000000, ssp=3Dc12fbb68, slr=3Dc215a39c, pc =3Dc219324c

running the stock FreeBSD 11.0-BETA2 r303168 image.

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