[kde-freebsd] maintainer-feedback requested: [Bug 202775] www/webkit-qt4 crashes with SIGBUS on ARM

[bugzilla-noreply at freebsd.org]

Ulrich Grey <usenet at ulrich-grey.de> has reassigned Bugzilla Automation
<bugzilla at FreeBSD.org>'s request for maintainer-feedback to kde at FreeBSD.org:
Bug 202775: www/webkit-qt4 crashes with SIGBUS on ARM
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202775



--- Description ---
I am trying to run www/arora.
During startup www/webkit-qt4 crashes with SIGBUS.
All ports are built on ARM: FreeBSD 11.0-CURRENT #1 r286407M:

(gdb) run
Starting program: /usr/local/bin/arora 
[New LWP 100959]
[New Thread 24403300 (LWP 100959/arora)]
[New Thread 28042600 (LWP 101165/arora)]

Program received signal SIGBUS, Bus error.
[Switching to Thread 24403300 (LWP 100959/arora)]
0x217c9548 in (anonymous namespace)::maskedCompare () from
/usr/local/lib/qt4/libQtWebKit.so.4
(gdb) where
#0  0x217c9548 in (anonymous namespace)::maskedCompare () from
/usr/local/lib/qt4/libQtWebKit.so.4
#1  0x217c93b8 in (anonymous namespace)::compare () from
/usr/local/lib/qt4/libQtWebKit.so.4
#2  0x217c92c0 in (anonymous namespace)::findMIMEType () from
/usr/local/lib/qt4/libQtWebKit.so.4
#3  0x217c8780 in (anonymous namespace)::unknownTypeSniffingProcedure () from
/usr/local/lib/qt4/libQtWebKit.so.4
#4  0x217086e8 in MIMESniffer::sniff () from
/usr/local/lib/qt4/libQtWebKit.so.4
#5  0x217084ec in QtMIMETypeSniffer::sniff () from
/usr/local/lib/qt4/libQtWebKit.so.4
#6  0x217081b0 in QtMIMETypeSniffer::QtMIMETypeSniffer () from
/usr/local/lib/qt4/libQtWebKit.so.4
#7  0x2132ec2c in WebCore::QNetworkReplyWrapper::receiveMetaData () from
/usr/local/lib/qt4/libQtWebKit.so.4
#8  0x21332988 in $a.244 () from /usr/local/lib/qt4/libQtWebKit.so.4
#9  0x21332988 in $a.244 () from /usr/local/lib/qt4/libQtWebKit.so.4
(gdb) disassemble $pc-16 $pc+16
Dump of assembler code from 0x217c9538 to 0x217c9558:
0x217c9538 <_ZN12_GLOBAL__N_1L13maskedCompareERKNS_12MagicNumbersEPKcj+168>:   
ldr	r0, [r0]
0x217c953c <_ZN12_GLOBAL__N_1L13maskedCompareERKNS_12MagicNumbersEPKcj+172>:   
ldr	r1, [sp, #40]
0x217c9540 <_ZN12_GLOBAL__N_1L13maskedCompareERKNS_12MagicNumbersEPKcj+176>:   
add	r2, r1, #4	; 0x4
0x217c9544 <_ZN12_GLOBAL__N_1L13maskedCompareERKNS_12MagicNumbersEPKcj+180>:   
str	r2, [sp, #40]
0x217c9548 <_ZN12_GLOBAL__N_1L13maskedCompareERKNS_12MagicNumbersEPKcj+184>:   
ldr	r1, [r1]
0x217c954c <_ZN12_GLOBAL__N_1L13maskedCompareERKNS_12MagicNumbersEPKcj+188>:   
and	r0, r0, r1
0x217c9550 <_ZN12_GLOBAL__N_1L13maskedCompareERKNS_12MagicNumbersEPKcj+192>:   
ldr	r1, [sp, #44]
0x217c9554 <_ZN12_GLOBAL__N_1L13maskedCompareERKNS_12MagicNumbersEPKcj+196>:   
add	r2, r1, #4	; 0x4
End of assembler dump.
(gdb) info registers
r0	       0x6d783f3c	1836597052
r1	       0x21bd1179	566038905
r2	       0x21bd117d	566038909
r3	       0xe	14
r4	       0x200	512
r5	       0x245f8e90	610242192
r6	       0x24403300	608187136
r7	       0x4	4
r8	       0x2459cd60	609865056
r9	       0x246ea830	611231792
r10	       0x244e2858	609101912
r11	       0xbfbff188	-1077939832
r12	       0x245f8e90	610242192
sp	       0xbfbff110	-1077939952
lr	       0x21fa1378	570037112
pc	       0x217c9548	561812808
fps	       0x0	0
cpsr	       0x80000010	-2147483632
(gdb) quit