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Re: [tor-bugs] #17808 [Core Tor/Tor]: Tor 0.2.7.6 doesn't produce a backtrace on gcc 4.9.3 on OS X 10.11.2
#17808: Tor 0.2.7.6 doesn't produce a backtrace on gcc 4.9.3 on OS X 10.11.2
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Reporter: teor | Owner:
Type: defect | Status: needs_information
Priority: Medium | Milestone: Tor: unspecified
Component: Core Tor/Tor | Version: Tor: 0.2.7.6
Severity: Normal | Resolution:
Keywords: tor-03-unspecified-201612 | Actual Points:
Parent ID: | Points: ?large?
Reviewer: | Sponsor:
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Comment (by teor):
Replying to [comment:6 nickm]:
> This seems to be compiler-dependent and library-dependent, and not have
much to do with Tor's actual behavior or use of backtrace. I'm putting
this in needs_information to get this information:
> * Which compiler and version? Which OS and version?
gcc 4.9, 5, 6 on macOS 10.11 - 10.12 on x86_64
(clang and gcc i386 are not affected)
> * Is this or is this not a regression?
Unlikely, because the default compiler on macOS has been clang for ages.
> * What is the output in each case?
{{{
BAD
Feb 24 13:20:34.917 [err] tor_assertion_failed_(): Bug:
src/test/test_bt_cl.c:43: crash: Assertion 1 == 0 failed; aborting. (on
Tor 0.3.1.0-alpha-dev efa5bbaba07d20d1)
Feb 24 13:20:34.917 [err] Bug: Assertion 1 == 0 failed in crash at
src/test/test_bt_cl.c:43. Stack trace: (on Tor 0.3.1.0-alpha-dev
efa5bbaba07d20d1)
Feb 24 13:20:34.917 [err] Bug: 0 test-bt-cl
0x00000001038d63c4 log_backtrace + 68 (on Tor 0.3.1.0-alpha-dev
efa5bbaba07d20d1)
BAD
============================================================ T= 1487902834
Tor died: Caught signal 11
0 test-bt-cl 0x000000010e4b42aa crash_handler +
58
1 ??? 0x0000000000000130 0x0 + 304
-158318
Exit 1
}}}
> The best solution for the meantime I can find is to treat this failure
as a "SKIP" on FreeBSD.
macOS still suffers from this, but we can't skip the entire platform,
because clang and i386 both work fine.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17808#comment:13>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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