Re: [tor-bugs] #20381 [Applications/Tor Browser]: Tor Browser nightly bundles crash on Linux 64bit systems

[Tor Bug Tracker & Wiki]

#20381: Tor Browser nightly bundles crash on Linux 64bit systems
-+-
 Reporter:  gk   |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  closed
 Priority:  Very High|  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Critical | Resolution:  fixed
 Keywords:  tbb-crash, TorBrowserTeam201610, |  Actual Points:
  GeorgKoppen201610  |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by gk):

 Replying to [comment:2 gk]:
 > Backing out the patch for #13893 with commit
 48b0c33bf651b972e81490b3896dd332437e and thus reverting GCC back to
 5.1.0

 FWIW: I'll back out the Mozilla patches needed for compiling with GCC 6
 when rebasing to Firefox 45.5.0esr.

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Re: [tor-bugs] #20381 [Applications/Tor Browser]: Tor Browser nightly bundles crash on Linux 64bit systems

[Tor Bug Tracker & Wiki]

#20381: Tor Browser nightly bundles crash on Linux 64bit systems
-+-
 Reporter:  gk   |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  closed
 Priority:  Very High|  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Critical | Resolution:  fixed
 Keywords:  tbb-crash, TorBrowserTeam201610, |  Actual Points:
  GeorgKoppen201610  |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by mcs):

 I am not a compiler expert, but it surprises me that lifetime-dse=1 or
 -fno-lifetime-dse does not make the problem disappear. But
 https://bugzilla.mozilla.org/show_bug.cgi?id=1232696#c11 says otherwise.
 Maybe there are problems with gcc 6 that Mozilla does not understand yet.

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Re: [tor-bugs] #20381 [Applications/Tor Browser]: Tor Browser nightly bundles crash on Linux 64bit systems

[Tor Bug Tracker & Wiki]

#20381: Tor Browser nightly bundles crash on Linux 64bit systems
-+-
 Reporter:  gk   |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  closed
 Priority:  Very High|  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Critical | Resolution:  fixed
 Keywords:  tbb-crash, TorBrowserTeam201610, |  Actual Points:
  GeorgKoppen201610  |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by gk):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 Backing out the patch for #13893 with commit
 48b0c33bf651b972e81490b3896dd332437e and thus reverting GCC back to
 5.1.0

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Re: [tor-bugs] #20381 [Applications/Tor Browser]: Tor Browser nightly bundles crash on Linux 64bit systems

[Tor Bug Tracker & Wiki]

#20381: Tor Browser nightly bundles crash on Linux 64bit systems
-+-
 Reporter:  gk   |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Very High|  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Critical | Resolution:
 Keywords:  tbb-crash, TorBrowserTeam201610, |  Actual Points:
  GeorgKoppen201610  |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by gk):

 It turns out this is GCC 6 related. Mozilla provided patches in bug

 https://bugzilla.mozilla.org/show_bug.cgi?id=1269317 and
 https://bugzilla.mozilla.org/show_bug.cgi?id=1269319

 which fixed the problem. They did not get backported to ESR45/Aurora,
 though, as they caused other build bustages, with MSVC and while doing
 builds for Android. We could think about trying to backport those fixes
 ourselves but builds with GCC 6 still seem to be broken until

 https://bugzilla.mozilla.org/show_bug.cgi?id=1232696

 gets fixed. Thus, this will be too unstable to get into 6.5. We should aim
 for Tor Browser 7.0 earliest for GCC 6. Unfortunately, this means EMET
 support (#13893) will need to wait for another while :(

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