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Date:      Mon, 11 Oct 2021 18:11:26 -0700
From:      Mark Millard via freebsd-arm <freebsd-arm@freebsd.org>
To:        Free BSD <freebsd-arm@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>
Subject:   After updating main (so: 14) Orange Pi+ 2E panicked: ucom_cons_softc "'Translation Fault (L2)' on read" while typing first command after login
Message-ID:  <ADD31C61-F8AF-4FBF-B29D-5E79FB2DE8C1@yahoo.com>
References:  <ADD31C61-F8AF-4FBF-B29D-5E79FB2DE8C1.ref@yahoo.com>

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I did not even get a chance to finish typing a command after
login for the fist boot after updating:

Fatal kernel mode data abort: 'Translation Fault (L2)' on read
trapframe: 0xe18d6998
FSR=3D00000007, FAR=3Dfffffff4, spsr=3Da0000013
r0 =3D00000001, r1 =3D00000000, r2 =3D00000000, r3 =3D00000000
r4 =3Dd8ce7100, r5 =3D000007d0, r6 =3D90001010, r7 =3D00000000
r8 =3Dc08dfc10, r9 =3D00000001, r10=3Dc08dfc1c, r11=3De18d6aa8
r12=3De18d69e0, ssp=3De18d6a28, slr=3De18d6a28, pc =3De18d6a4c

panic: Fatal abort
cpuid =3D 0
time =3D 1633999791
KDB: stack backtrace:
db_trace_self() at db_trace_self
         pc =3D 0xc062ef7c  lr =3D 0xc007eb58 =
(db_trace_self_wrapper+0x30)
         sp =3D 0xe18d6770  fp =3D 0xe18d6888
db_trace_self_wrapper() at db_trace_self_wrapper+0x30
         pc =3D 0xc007eb58  lr =3D 0xc030ee04 (vpanic+0x17c)
         sp =3D 0xe18d6890  fp =3D 0xe18d68b0
         r4 =3D 0x00000100  r5 =3D 0x00000000
         r6 =3D 0xc07cac38  r7 =3D 0xc0941d68
vpanic() at vpanic+0x17c
         pc =3D 0xc030ee04  lr =3D 0xc030ec88 (vpanic)
         sp =3D 0xe18d68b8  fp =3D 0xe18d68bc
         r4 =3D 0xe18d6998  r5 =3D 0x00000013
         r6 =3D 0xfffffff4  r7 =3D 0x00000007
         r8 =3D 0x00000007  r9 =3D 0xda5e9000
        r10 =3D 0xfffffff4
vpanic() at vpanic
         pc =3D 0xc030ec88  lr =3D 0xc0652f68 (abort_align)
         sp =3D 0xe18d68c4  fp =3D 0xe18d68f0
         r4 =3D 0x00000007  r5 =3D 0x00000007
         r6 =3D 0xda5e9000  r7 =3D 0xfffffff4
         r8 =3D 0xe18d68bc  r9 =3D 0xc030ec88
        r10 =3D 0xe18d68c4
abort_align() at abort_align
         pc =3D 0xc0652f68  lr =3D 0xc0652a90 (abort_handler+0x2a8)
         sp =3D 0xe18d68f8  fp =3D 0xe18d6990
         r4 =3D 0x00000013  r5 =3D 0xfffffff4
abort_handler() at abort_handler+0x2a8
         pc =3D 0xc0652a90  lr =3D 0xc063191c (exception_exit)
         sp =3D 0xe18d6998  fp =3D 0xe18d6aa8
         r4 =3D 0xd8ce7100  r5 =3D 0x000007d0
         r6 =3D 0x90001010  r7 =3D 0x00000000
         r8 =3D 0xc08dfc10  r9 =3D 0x00000001
        r10 =3D 0xc08dfc1c
exception_exit() at exception_exit
         pc =3D 0xc063191c  lr =3D 0xe18d6a28 (0xe18d6a28)
         sp =3D 0xe18d6a28  fp =3D 0xe18d6aa8
         r0 =3D 0x00000001  r1 =3D 0x00000000
         r2 =3D 0x00000000  r3 =3D 0x00000000
         r4 =3D 0xd8ce7100  r5 =3D 0x000007d0
         r6 =3D 0x90001010  r7 =3D 0x00000000
         r8 =3D 0xc08dfc10  r9 =3D 0x00000001
        r10 =3D 0xc08dfc1c r12 =3D 0xe18d69e0
ucom_cons_softc() at 0xe18d6a4c
         pc =3D 0xe18d6a4c  lr =3D 0xe18d6a28 (0xe18d6a28)
         sp =3D 0xe18d6a28  fp =3D 0xe18d6aa8
KDB: enter: panic
[ thread pid 894 tid 100135 ]
Stopped at      kdb_enter+0x58: ldrb    r15, [r15, r15, ror r15]!
db>

It is not reliably repeatable. Unsure if I can get a repeat at
all.

There is this "mixer" oddity for each boot:

Feeding entropy: .
mixer: 75:75: no such device
mixer: 75:75: no such device
mixer: 75:75: no such device
mixer: 25:25: no such device
mixer: 75:75: no such device
mixer: 75:75: no such device
mixer: =3Drec: no such device
lo0: link state changed to UP

(in case that matters for some reason).

For reference:

# uname -apKU
FreeBSD OPiP2E_RPi2v11 14.0-CURRENT FreeBSD 14.0-CURRENT #10 =
main-n249978-032448cd2c52-dirty: Sat Oct  9 02:11:35 PDT 2021     =
root@CA72_16Gp_ZFS:/usr/obj/BUILDs/main-CA7-nodbg-clang/usr/main-src/arm.a=
rmv7/sys/GENERIC-NODBG-CA7  arm armv7 1400036 1400036





=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)




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