On Fri, Jan 18, 2013 at 04:31:19PM -0500, Daniel Kahn Gillmor wrote:
> On Wed 2013-01-16 12:10:22 -0500, Daniel Kahn Gillmor wrote:
>
> > woo, yay(?), i got one!
>
> and i just got another one:
>
> [New Thread 0x7fff8fdfd700 (LWP 10439)]
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fffcf1ff700 (LWP 28932)]
> pt_PostNotifyToCvar (cvar=0x0, broadcast=broadcast@entry=0) at ptsynch.c:280
> 280 ptsynch.c: No such file or directory.
> (gdb) bt
> #0 pt_PostNotifyToCvar (cvar=0x0, broadcast=broadcast@entry=0) at
> ptsynch.c:280
> #1 0x00007ffff62fdcbb in PR_NotifyCondVar (cvar=<optimized out>) at
> ptsynch.c:413
> #2 0x00007ffff6305859 in ProcessReapedChildInternal (pid=pid@entry=10430,
> status=<optimized out>) at uxproces.c:531
> #3 0x00007ffff6305e77 in WaitPidDaemonThread (unused=<optimized out>) at
> uxproces.c:658
> #4 0x00007ffff63033b3 in _pt_root (arg=0x7fffd0060bc0) at ptthread.c:156
> #5 0x00007ffff743ab50 in start_thread (arg=<optimized out>) at
> pthread_create.c:304
> #6 0x00007ffff7184a7d in clone () at
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
> #7 0x0000000000000000 in ?? ()
> (gdb)
>
>
> 0 dkg@alice:~$ tail -n 30 tmp/icedove-dbg.log
> -470812928[7ffff6d5f7b0]: PR_Read returned [n=10]
> -470812928[7ffff6d5f7b0]: nsSocketTransport::SendStatus [this=d0be9640
> status=804b0006]
> -470812928[7ffff6d5f7b0]: nsSocketInputStream::Read [this=d0be9770
> count=32758]
> -470812928[7ffff6d5f7b0]: calling PR_Read [count=32758]
> -470812928[7ffff6d5f7b0]: PR_Read returned [n=-1]
> -470812928[7ffff6d5f7b0]: nsSocketInputStream::AsyncWait [this=d0be9770]
> -470812928[7ffff6d5f7b0]: STS poll iter [1]
> -470812928[7ffff6d5f7b0]: active [4] { handler=a244bbc0 condition=0
> pollflags=5 }
> -470812928[7ffff6d5f7b0]: active [3] { handler=d02951c0 condition=0
> pollflags=5 }
> -470812928[7ffff6d5f7b0]: active [2] { handler=a4181cc0 condition=0
> pollflags=5 }
> -470812928[7ffff6d5f7b0]: active [1] { handler=cdf6d760 condition=0
> pollflags=5 }
> -470812928[7ffff6d5f7b0]: active [0] { handler=d0be9640 condition=0
> pollflags=5 }
> -470812928[7ffff6d5f7b0]: idle [0] { handler=d0be9300 condition=0
> pollflags=0 }
> -470812928[7ffff6d5f7b0]: calling PR_Poll [active=5 idle=1]
> -470812928[7ffff6d5f7b0]: poll timeout: 65535
> -470812928[7ffff6d5f7b0]: timeout = 65535000 milliseconds
> -470812928[7ffff6d5f7b0]: ...returned after 0 milliseconds
> -470812928[7ffff6d5f7b0]: STS poll iter [1]
> -470812928[7ffff6d5f7b0]: active [4] { handler=a244bbc0 condition=0
> pollflags=5 }
> -470812928[7ffff6d5f7b0]: active [3] { handler=d02951c0 condition=0
> pollflags=5 }
> -470812928[7ffff6d5f7b0]: active [2] { handler=a4181cc0 condition=0
> pollflags=5 }
> -470812928[7ffff6d5f7b0]: active [1] { handler=cdf6d760 condition=0
> pollflags=5 }
> -470812928[7ffff6d5f7b0]: active [0] { handler=d0be9640 condition=0
> pollflags=5 }
> -470812928[7ffff6d5f7b0]: idle [0] { handler=d0be9300 condition=0
> pollflags=0 }
> -470812928[7ffff6d5f7b0]: calling PR_Poll [active=5 idle=1]
> -470812928[7ffff6d5f7b0]: poll timeout: 65535
> -470812928[7ffff6d5f7b0]: timeout = 65535000 milliseconds
> -1755318528[7fffbdbc1f20]: ReadNextLine [stream=99c73810 nb=10 needmore=0]
> -1755318528[7fffbdbc1f20]:
> 956f7000:che.mayfirst.org:S-INBOX:CreateNewLineFromSocket: + idling
> -1317939456[7fffc04ee6a0]: libc.so.6 decr => 3
> 0 dkg@alice:~$
>
>
> So this looks like the same spot.
>
> I'm running libnspr4 2:4.9.2-1. I'll try switching to 2:4.9.4-2 from
> sid instead and see if i can replicate.
You may want to rebuild nspr with DEB_BUILD_OPTIONS=debug, seeing your
backtrace, you'll likely hit some assert, which may give better insight.
Mike
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