Date: Thu, 28 Jun 2007 17:31:27 -0500 From: "Adam Wood" <aswood@gmail.com> To: "Michael Johnson" <ahze@freebsd.org> Cc: freebsd-multimedia@freebsd.org, bug-followup@FreeBSD.org Subject: Re: ports/113922: multimedia/ffmpeg segfaults on start Message-ID: <77518d100706281531k2ec1fa01ke1fc598aeaea5c9a@mail.gmail.com> In-Reply-To: <200706281754.l5SHsi4N002182@freefall.freebsd.org> References: <200706281754.l5SHsi4N002182@freefall.freebsd.org>
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On 6/28/07, Michael Johnson <ahze@freebsd.org> wrote: > Synopsis: multimedia/ffmpeg segfaults on start > Can you provide us with a backtrace? > http://www.freebsd.org/cgi/query-pr.cgi?pr=113922 I've never used gdb before and I don't think I have the debugging stuff compiled into my kernel, but after a little Googling I found gdb's "bt" command. I hope this is what you're after, if it isn't, please let me know how to get the information you need. (gdb) run Starting program: /usr/local/bin/ffmpeg (no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...warning: Unable to get location for thread creation breakpoint: generic error [New LWP 100358] (no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...FFmpeg version SVN-r9153, Copyright (c) 2000-2007 Fabrice Bellard, et al. *snip* -analyzeduration <int> .D... how many microseconds are analyzed to estimate duration [New Thread 0x8062000 (LWP 100367)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x8062000 (LWP 100367)] 0x28968cd3 in __vfprintf () from /lib/libc.so.6 (gdb) bt #0 0x28968cd3 in __vfprintf () from /lib/libc.so.6 #1 0x289698cd in vfprintf () from /lib/libc.so.6 #2 0x08050c1d in _start () #3 0x0804aafa in _start () #4 0x00000001 in ?? () Sincerely, --adam
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