Firefox 58 fails as before and user_pref trick does not work any more!!
I installed 58 , rebooted and tested

~$ fgrep gfx. /home/cloudsto/.mozilla/firefox/ymtjpt2g.default-1510054306584-1514625894232/prefs.jsuser_pref("gfx.content.azure.backends",
"");
user_pref("services.blocklist.gfx.checked", 1516706246);

~$ firefox -g
GNU gdb (Ubuntu 8.0.1-0ubuntu1) 8.0.1
Copyright (C) 2017 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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and "show warranty" for details.
This GDB was configured as "arm-linux-gnueabihf".
Type "show configuration" for configuration details.
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<http://www.gnu.org/software/gdb/bugs/>.
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For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/lib/firefox/firefox...Reading symbols from
/usr/lib/debug/.build-id/dc/cf886d995205c45d42314d4e755178a87359d9.debug...done.
done.
(gdb) run
Starting program: /usr/lib/firefox/firefox
Cannot parse expression `.L1200 4@r4'.
warning: Probes-based dynamic linker interface failed.
Reverting to original interface.

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
[New Thread 0xb18b0440 (LWP 1554)]
[New Thread 0xadeb5440 (LWP 1555)]
[Thread 0xadeb5440 (LWP 1555) exited]
[New Thread 0xadeb5440 (LWP 1556)]
[New Thread 0xacaff440 (LWP 1557)]
[New Thread 0xac2ff440 (LWP 1558)]
[New Thread 0xab9ff440 (LWP 1559)]
[New Thread 0xab1ff440 (LWP 1560)]
[New Thread 0xaafff440 (LWP 1561)]
[New Thread 0xaadff440 (LWP 1562)]
[New Thread 0xaabff440 (LWP 1563)]
[New Thread 0xaa9ff440 (LWP 1564)]
[New Thread 0xaa7ff440 (LWP 1565)]
[New Thread 0xaa5ff440 (LWP 1566)]
[New Thread 0xaa3ff440 (LWP 1567)]
[New Thread 0xa9dff440 (LWP 1568)]
[New Thread 0xa95ff440 (LWP 1569)]
[New Thread 0xa8dff440 (LWP 1570)]
[New Thread 0xa85ff440 (LWP 1571)]
[New Thread 0xa7aff440 (LWP 1572)]
[New Thread 0xa71ff440 (LWP 1574)]
[New Thread 0xa7d97440 (LWP 1575)]
[New Thread 0xa69ff440 (LWP 1576)]
[Thread 0xa7aff440 (LWP 1572) exited]
[New Thread 0xa7aff440 (LWP 1577)]
[New Thread 0xa4cb6440 (LWP 1578)]
[New Thread 0xa44b6440 (LWP 1579)]
[New Thread 0xa3cb6440 (LWP 1580)]
[New Thread 0xa321f440 (LWP 1581)]
[New Thread 0xa2a1f440 (LWP 1582)]
[New Thread 0xa221f440 (LWP 1583)]
[New Thread 0xa1a1f440 (LWP 1584)]
[New Thread 0xa0eda440 (LWP 1585)]
[New Thread 0xa06b1440 (LWP 1586)]
[New Thread 0x9feb1440 (LWP 1587)]
[New Thread 0x9f6b1440 (LWP 1588)]
[Thread 0x9f6b1440 (LWP 1588) exited]
[Thread 0x9feb1440 (LWP 1587) exited]
[Thread 0xa06b1440 (LWP 1586) exited]
[New Thread 0xa06b1440 (LWP 1589)]
[New Thread 0x9f6b1440 (LWP 1590)]
[New Thread 0x9feb1440 (LWP 1591)]
[New Thread 0x9e695440 (LWP 1592)]
[New Thread 0x9de95440 (LWP 1593)]
[New Thread 0x9d695440 (LWP 1594)]
[New Thread 0x9ce95440 (LWP 1595)]
[New Thread 0x9c695440 (LWP 1596)]
[New Thread 0x9be95440 (LWP 1597)]
[New Thread 0x9b4ff440 (LWP 1598)]
[New Thread 0x9a1ff440 (LWP 1599)]
[New Thread 0x999ff440 (LWP 1600)]
[New Thread 0x989ff440 (LWP 1601)]
[New Thread 0x98163440 (LWP 1602)]
[New Thread 0xa71ff440 (LWP 1603)]
[Thread 0xa71ff440 (LWP 1574) exited]
[Thread 0xa71ff440 (LWP 1603) exited]
[New Thread 0x977ff440 (LWP 1604)]
[Thread 0x989ff440 (LWP 1601) exited]
[New Thread 0x974ff440 (LWP 1605)]
[New Thread 0x96aff440 (LWP 1606)]
[Thread 0x98163440 (LWP 1602) exited]
[New Thread 0x989ff440 (LWP 1607)]
[Thread 0x974ff440 (LWP 1605) exited]
[Thread 0x989ff440 (LWP 1607) exited]
[New Thread 0x989ff440 (LWP 1608)]
[New Thread 0x974ff440 (LWP 1610)]
[New Thread 0x98163440 (LWP 1611)]

Thread 1 "firefox" received signal SIGILL, Illegal instruction.
0xb3b7104e in _sk_xor__vfp4 () from /usr/lib/firefox/libxul.so
(gdb) bt
Python Exception <class 'gdb.error'> Can't read data for section
'.debug_loc' in file
'/usr/lib/debug/.build-id/6d/64cb097d165b67c594143ed924556e1bfffa96.debug':
#0  0xb3b7104e in _sk_xor__vfp4 () from /usr/lib/firefox/libxul.so
(gdb) continue
Continuing.
ExceptionHandler::GenerateDump cloned child 1637
ExceptionHandler::SendContinueSignalToChild sent continue signal to child
ExceptionHandler::WaitForContinueSignal waiting for continue signal...
[Thread 0x98163440 (LWP 1611) exited]
[Thread 0x974ff440 (LWP 1610) exited]
[Thread 0x989ff440 (LWP 1608) exited]
[Thread 0x96aff440 (LWP 1606) exited]
[Thread 0x977ff440 (LWP 1604) exited]
[Thread 0x999ff440 (LWP 1600) exited]
[Thread 0x9a1ff440 (LWP 1599) exited]
[Thread 0x9b4ff440 (LWP 1598) exited]
[Thread 0x9be95440 (LWP 1597) exited]
[Thread 0x9c695440 (LWP 1596) exited]
[Thread 0x9ce95440 (LWP 1595) exited]
[Thread 0x9d695440 (LWP 1594) exited]
[Thread 0x9de95440 (LWP 1593) exited]
[Thread 0x9e695440 (LWP 1592) exited]
[Thread 0x9feb1440 (LWP 1591) exited]
[Thread 0x9f6b1440 (LWP 1590) exited]
[Thread 0xa06b1440 (LWP 1589) exited]
[Thread 0xa0eda440 (LWP 1585) exited]
[Thread 0xa1a1f440 (LWP 1584) exited]
[Thread 0xa221f440 (LWP 1583) exited]
[Thread 0xa2a1f440 (LWP 1582) exited]
[Thread 0xa321f440 (LWP 1581) exited]
[Thread 0xa3cb6440 (LWP 1580) exited]
[Thread 0xa44b6440 (LWP 1579) exited]
[Thread 0xa4cb6440 (LWP 1578) exited]
[Thread 0xa7aff440 (LWP 1577) exited]
[Thread 0xa69ff440 (LWP 1576) exited]
[Thread 0xa85ff440 (LWP 1571) exited]
[Thread 0xa8dff440 (LWP 1570) exited]
[Thread 0xa95ff440 (LWP 1569) exited]
[Thread 0xa9dff440 (LWP 1568) exited]
[Thread 0xaa3ff440 (LWP 1567) exited]
[Thread 0xaa5ff440 (LWP 1566) exited]
[Thread 0xaa7ff440 (LWP 1565) exited]
[Thread 0xaa9ff440 (LWP 1564) exited]
[Thread 0xaabff440 (LWP 1563) exited]
[Thread 0xaadff440 (LWP 1562) exited]
[Thread 0xaafff440 (LWP 1561) exited]
[Thread 0xab1ff440 (LWP 1560) exited]
[Thread 0xab9ff440 (LWP 1559) exited]
[Thread 0xac2ff440 (LWP 1558) exited]
[Thread 0xacaff440 (LWP 1557) exited]
[Thread 0xadeb5440 (LWP 1556) exited]
[Thread 0xb18b0440 (LWP 1554) exited]
[Thread 0xb6ff7010 (LWP 1515) exited]
[Inferior 1 (process 1515) exited with code 04]
(gdb)

Details
Add-ons: %7Bd10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d%7D:3.0.2,%7B73a6fe31-595d-460b-a920-fcc0f8843232%7D:10.1.6.3,disable-media-wmf-nv12%40mozilla.org:1.1,disable-js-shared-memory%40mozilla.org:2.0,aushelper%40mozilla.org:2.0,firefox%40getpocket.com:1.0.5,activity-stream%40mozilla.org:2017.11.07.1100-7f4e3634,formautofill%40mozilla.org:1.0,onboarding%40mozilla.org:1.0,screenshots%40mozilla.org:19.2.0,webcompat%40mozilla.org:1.1,shield-recipe-client%40mozilla.org:76.1,followonsearch%40mozilla.com:0.9.6,e10srollout%40mozilla.org:3.05,%7B972ce4c6-7e08-4474-a285-3208198ce6fd%7D:57.0.4,langpack-fi%40firefox.mozilla.org:57.0.4,langpack-en-GB%40firefox.mozilla.org:57.0.4,langpack-en-ZA%40firefox.mozilla.org:57.0.4
BuildID: 20180122231004
CrashTime: 1516788976
DOMIPCEnabled: 1
EMCheckCompatibility: true
Email: <email address hidden>
FramePoisonBase: 0000004041121792
FramePoisonSize: 4096
InstallTime: 1516788234
Notes: Ubuntu 17.10FP(D00-L1000-W00000000-T000) OpenGL: VMware, Inc.
-- llvmpipe (LLVM 5.0, 128 bits) -- 3.0 Mesa 17.2.4 --
texture_from_pixmap
WR? WR- OMTP? OMTP-
ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}
ProductName: Firefox
ReleaseChannel: release
SafeMode: 0
SecondsSinceLastCrash: 736
StartupCrash: 0
StartupTime: 1516788875
TelemetryEnvironment:
{"build":{"applicationId":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","applicationName":"Firefox","architecture":"arm","buildId":"20180122231004","version":"58.0","vendor":"Mozilla","platformVersion":"58.0","xpcomAbi":"arm-eabi-gcc3","hotfixVersion":null,"updaterAvailable":false},"partner":{"distributionId":null,"distributionVersion":null,"partnerId":null,"distributor":null,"distributorChannel":null,"partnerNames":[]},"system":{"memoryMB":2014,"virtualMaxMB":null,"cpu":{"count":4,"cores":null,"vendor":null,"family":null,"model":null,"stepping":null,"l2cacheKB":null,"l3cacheKB":null,"speedMHz":1608,"extensions":["hasEDSP","hasARMv6","hasARMv7","hasNEON"]},"os":{"name":"Linux","version":"4.13.5","locale":"fi-FI"},"hdd":{"profile":{"model":null,"revision":null},"binary":{"model":null,"revision":null},"system":{"model":null,"revision":null}},"gfx":{"D2DEnabled":null,"DWriteEnabled":null,"ContentBackend":"Cairo","adapters":[{"description":"VMware,
Inc. -- llvmpipe (LLVM 5.0, 128 bits)","vendorID":"VMware,
Inc.","deviceID":"llvmpipe (LLVM 5.0, 128
bits)","subsysID":null,"RAM":null,"driver":null,"driverVersion":"3.0
Mesa 17.2.4","driverDate":null,"GPUActive":true}],"monitors":[],"features":{"compositor":"none","gpuProcess":{"status":"unused"}}},"appleModelId":null},"settings":{"blocklistEnabled":true,"e10sEnabled":true,"e10sMultiProcesses":4,"telemetryEnabled":false,"locale":"en-US","update":{"channel":"release","enabled":true,"autoDownload":true},"userPrefs":{"browser.cache.disk.capacity":358400,"browser.newtabpage.enhanced":true,"browser.shell.checkDefaultBrowser":true,"browser.search.region":"FI","browser.search.widget.inNavBar":false,"browser.startup.homepage":"<user-set>","general.config.filename":"<set>"},"sandbox":{"effectiveContentProcessLevel":null},"addonCompatibilityCheckEnabled":true,"isDefaultBrowser":null},"profile":{}}
Theme: classic/1.0
ThreadIdNameMapping: 1554:"Gecko_IOThread",1556:"Timer",1557:"Link
Monitor",1558:"Socket Thread",1559:"JS
Watchdog",1568:"BGReadURLs",1569:"Hang Monitor",1575:"Cache2
I/O",1576:"Cookie",1577:"GMPThread",1578:"SoftwareVsyncThread",1579:"Compositor",1580:"VRListener",1581:"ImgDecoder
#1",1582:"ImgDecoder #2",1583:"ImgDecoder
#3",1584:"ImageIO",1589:"LoadRoots",1590:"SysProxySetting",1592:"ProxyResolution",1593:"DataStorage",1594:"URL
Classifier",1596:"Classifier Update",1595:"DNS Resolver
#1",1597:"DataStorage",1598:"DataStorage",1599:"HTML5
Parser",1600:"IPDL Background",1604:"DOM Worker",1606:"StreamTrans
#6",1610:"ImageBridgeChild",1611:"ProcessHangMon",
Throttleable: 1
UptimeTS: 275.3930689
Vendor: Mozilla
Version: 58.0
useragent_locale: en-US

This report also contains technical information about the state of the
application when it crashed.



On 1/10/18, James Donald <email address hidden> wrote:
> Thanks for providing the stack trace, Lars.
>
> This shows the illegal instruction is happening in Skia, specifically
> SkJumper's implementation of _sk_xor__vfp4. To run with Skia disabled,
> edit your user profile at ~/.mozilla/firefox/*.default/prefs.js and add
> the following line:
>
> user_pref("gfx.content.azure.backends", "");
>
> Firefox 32-bit will then launch on Raspbian Stretch. Or if you have more
> than one user, you can instead edit /usr/lib/firefox/defaults/pref
> /vendor-gre.js
>
> I expect rendering performance is taking a hit with Skia disabled. For a
> proper fix we should figure out what's going on with the illegal
> instruction(s) in SkJumper_generated.S. This file is auto-generated so
> from what I can tell the armv7 version isn't readily available via git.
> I have yet to set up a build environment for Firefox, but if someone
> here has done so for Arch Linux and another for Ubuntu, we can diff and
> track this down.
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1733340).
> https://bugs.launchpad.net/bugs/1711337
>
> Title:
>   Firefox crashes at start on armv7L after 55.0.1 update
>
> Status in Mozilla Firefox:
>   Confirmed
> Status in firefox package in Ubuntu:
>   Fix Released
>
> Bug description:
>   Firefox always crashes when launched after the 55.0.1 update on an
>   Orange Pi PC Plus (a single-board computer similar to a Raspberry Pi),
>   even in safe mode.
>
>   I did a fresh install of Armbian (a Ubuntu Xenial 16.04 re-spin for
>   ARM single-board computer) on a similar board (Orange Pi Plus 2e),
>   installed Firefox and experienced the same problem--it won't load
>   without crashing.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 16.04
>   Package: firefox 55.0.1+build2-0ubuntu0.16.04.2
>   Uname: Linux 3.4.113-sun8i armv7l
>   AddonCompatCheckDisabled: False
>   AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
>   ApportVersion: 2.20.1-0ubuntu2.10
>   Architecture: armhf
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC1:  jim        1138 F.... pulseaudio
>    /dev/snd/controlC0:  jim        1138 F.... pulseaudio
>   BuildID: 20170814194718
>   Card0.Amixer.info:
>    Card hw:0 'audiocodec'/'audiocodec'
>      Mixer name	: ''
>      Components	: ''
>      Controls      : 12
>      Simple ctrls  : 12
>   Card1.Amixer.info:
>    Card hw:1 'sndhdmi'/'sndhdmi'
>      Mixer name	: ''
>      Components	: ''
>      Controls      : 1
>      Simple ctrls  : 1
>   Card1.Amixer.values:
>    Simple mixer control 'hdmi audio format Function',0
>      Capabilities: enum
>      Items: 'null' 'pcm' 'AC3' 'MPEG1' 'MP3' 'MPEG2' 'AAC' 'DTS' 'ATRAC'
> 'ONE_BIT_AUDIO' 'DOLBY_DIGITAL_PLUS' 'DTS_HD' 'MAT' 'WMAPRO'
>      Item0: 'pcm'
>   Channel: Unavailable
>   CurrentDesktop: XFCE
>   Date: Thu Aug 17 05:37:00 2017
>   Extensions: extensions.sqlite corrupt or missing
>   ForcedLayersAccel: False
>   IncompatibleExtensions: Unavailable (corrupt or non-existant
> compatibility.ini or extensions.sqlite)
>   IpRoute:
>    default via 192.168.10.1 dev eth0
>    default via 192.168.10.1 dev wlan0  proto static  metric 600
>    169.254.0.0/16 dev eth0  scope link  metric 1000
>    192.168.10.0/24 dev eth0  proto kernel  scope link  src 192.168.10.107
>    192.168.10.0/24 dev wlan0  proto kernel  scope link  src 192.168.10.108
> metric 600
>   Locales: extensions.sqlite corrupt or missing
>   PciMultimedia:
>
>   PciNetwork:
>
>   Profiles: Profile0 (Default) - LastVersion=55.0.1/20170814194718
>   RfKill:
>    0: phy0: Wireless LAN
>    	Soft blocked: no
>    	Hard blocked: no
>   RunningIncompatibleAddons: False
>   SourcePackage: firefox
>   Themes: extensions.sqlite corrupt or missing
>   UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/firefox/+bug/1711337/+subscriptions
>