[nos-bbs] Segmentation fault

[Boudewijn (Bob) Tenty]

You need the development versions of libraries installed as gdb is looking for the assembly for some (libc) libraries.
This doesn't solve your problem but might give you some more info.

Bob VE3TOK



On 2017-08-19 08:37 PM, Ray Quinn wrote:
> I have moved JNOS to a real machine, versus a virtual one, and am having similar troubles as before. JNOS was running fine for several days. However, last night about 20:00 Pacific Daylight Time, all stopped causing the following to show up in GDB:
>
> -------8<------- Begin quote----------
>
> Program received signal SIGSEGV, Segmentation fault.
> __strlen_sse2_bsf () at ../sysdeps/i386/i686/multiarch/strlen-sse2-bsf.S:50
> 50      ../sysdeps/i386/i686/multiarch/strlen-sse2-bsf.S: No such file or directory.
> (gdb)
>
> -------8<------- End quote-------------
>
> The system shows that the CPU is at 100% with JNOS using 66.7%:
>
> 651 <https://nos.w6ray.com:10000/proc/edit_proc.cgi?651> 	root 	66.7 % 	/jnos/jnos -d/jnos -v
>
>
> But, it will not stay running very long and I have restarted it twice in the 10 minutes it took to type this message.
>
> I have looked for the above file, and find it doesn't exist.  Here is the output from GDB from the next attempt. It hasn't SEGFAULTED yet...
>
> Attaching to process 3719
> Reading symbols from /jnos/jnos...done.
> Reading symbols from /lib/i386-linux-gnu/libncurses.so.5...(no debugging symbols found)...done.
> Loaded symbols for /lib/i386-linux-gnu/libncurses.so.5
> Reading symbols from /lib/i386-linux-gnu/libtinfo.so.5...(no debugging symbols found)...done.
> Loaded symbols for /lib/i386-linux-gnu/libtinfo.so.5
> Reading symbols from /usr/lib/i386-linux-gnu/i686/cmov/libcrypto.so.1.0.0...(no debugging symbols found)...done.
> Loaded symbols for /usr/lib/i386-linux-gnu/i686/cmov/libcrypto.so.1.0.0
> Reading symbols from /lib/i386-linux-gnu/i686/cmov/libcrypt.so.1...Reading symbols from /usr/lib/debug//lib/i386-linux-gnu/i686/cmov/libcrypt-2.19.so...done.
> done.
> Loaded symbols for /lib/i386-linux-gnu/i686/cmov/libcrypt.so.1
> Reading symbols from /lib/i386-linux-gnu/i686/cmov/libc.so.6...Reading symbols from /usr/lib/debug//lib/i386-linux-gnu/i686/cmov/libc-2.19.so...done.
> done.
> Loaded symbols for /lib/i386-linux-gnu/i686/cmov/libc.so.6
> Reading symbols from /lib/i386-linux-gnu/i686/cmov/libdl.so.2...Reading symbols from /usr/lib/debug//lib/i386-linux-gnu/i686/cmov/libdl-2.19.so...done.
> done.
> Loaded symbols for /lib/i386-linux-gnu/i686/cmov/libdl.so.2
> Reading symbols from /lib/ld-linux.so.2...Reading symbols from /usr/lib/debug//lib/i386-linux-gnu/ld-2.19.so...done.
> done.
> Loaded symbols for /lib/ld-linux.so.2
> 0xb77c1d40 in __kernel_vsyscall ()
> (gdb) continue
> Continuing.
>
> ----------------------
>
> Any ideas on how to resolve this?
> -- 
> ---
>
> If the right side of the brain controls the left side of the body,
> then only left-handed people are in their right minds.
>
>                                  _____
>          ,                       |[][]|
>       ,__|                 ______|    |
>   ,__/__]||    ________    |       D8 |  
>   |__!___!!`--'L_______\   |__________|()   ___________  
>   "(_)[___]====(_)(_)=| \_(___________)_/__/=(_)===(_)~'
>
>                      73 de Ray Quinn W6RAY
>                         GMRS - WQTX645
>                      Visalia, CA USA DM06ii
>
>
>
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