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SubjectRE: Bus Errors!
I don't notice this only with Java.  I have 2.1.85 on my system, and I cannot
even start Netscape v4.04 (Navigator standalone version). Every time, no
matter what happens, I get a bus error, likewise v3.01 gives a bus error when
attempting to start Java. I don't know why this is, but I do know there is no
way I can use 4.04 on my system due to bus errors. Has anyone else had this
problem with 4.04? (Attached is ldd output for netscape). I should note that
that is libc 5.4.41, and I have XFree 3.3.1, with all of the X11R6.2 libs
installed.

---BEGIN ldd OUTPUT---
[gashalot@gashalot]/opt/netscape$ ldd ./netscape
libXt.so.6 => /usr/lib/libXt.so.6 (0x4000c000)
libSM.so.6 => /usr/X11R6/lib/libSM.so.6 (0x4004f000)
libICE.so.6 => /usr/X11R6/lib/libICE.so.6 (0x40057000)
libXmu.so.6 => /usr/X11R6/lib/libXmu.so.6 (0x4006b000)
libXpm.so.4 => /usr/lib/libXpm.so.4 (0x4007c000)
libXext.so.6 => /usr/lib/libXext.so.6 (0x40089000)
libX11.so.6 => /usr/lib/libX11.so.6 (0x40092000)
libdl.so.1 => /lib/libdl.so.1 (0x4010f000)
libc.so.5 => /lib/libc.so.5 (0x40112000)
libm.so.5 => /lib/libm.so.5 (0x401ce000)
---END ldd OUTPUT---


On 07-Feb-98 Suman_Saraf was overheard by robert saying:
| Sorry for the earlier goof up with the cd thing :-) What I was trying out
| is :-
|
| This is a snip from man 7 signal
| ----------------
| A SIGBUS is missing; this is because the 386 hardware does
| not generate such a signal, but makes porting from other
| architectures unnecessarily difficult.
| ----------------
| Then how come netscape dumps core with a bus error on my 386 running Linux
| (when I try to access a Java Enables page)??
|
| I have upgraded my libc with gnumalloc() patch and now it is ok but what I
| want to point out is how is a bus error generated in the 1st case on a 386
| machine when the man page says otherwise.
|
| And one more question: Do the later x86's generate this signal ?
|
| I tried this program :-
|
| main()
| {
| long l=1234;
| char *c ;
| int *i;
| c=&l;
| c++;
| i=&l;
| printf("%d\n",i);
| printf("%d\n",*i);
| i=(int *)c;
| printf("%d\n",i);
| printf("%d",*i);
| }
|
| As fas as my CS theory goes , bus error occurs when I try to access an int
| on an odd location. This program dumps core with a bus error on HP-UX and
| Solaris and not on Linux .
|
| Any pointers would be greatly appreciated.
|
| Also I would like to know , has anyone ever come across a program on Linux
| which dumps core with a SIG_BUS other than netscape ??
|
| --suman
|
| I----------------------------------------------------------------------------
| I
| I Suman Saraf http://oasis3.hss.hns.com/~suman.
| I
| I Satellite Networking Division, PGP: finger suman@gabbar.svrec.ernet.in.
| I
| I Thuraya-Mobilsat-OMC http://www.hughes-soft.com.
| I
| I Hughes Software Systems,Plot 31, Sector 18 , Electronic City,Gurgaon.
| I
| I Tel: 343703-08 Ext: 2423.
| I
| I
| ---------------------------------------------------------------------------I
| I Great operating systems have always encountered
| I
| I violent opposition from mediocre minds. I
| I --Anonymous
| I
| I----------------------------------------------------------------------------
| I
|
|
| -
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robert gash
-=| e-mail - gashalot@gashalot.com
-=| webmaster - gashalot.com gnu.net
-=| message sent on 07-Feb-98 at 19:34:25.
-=| quote of the message:
The best book on programming for the layman is "Alice in Wonderland";
but that's because it's the best book on anything for the layman.

-=| personal pgp information
http://keys.pgp.com:11371/pks/lookup?op=get&search=0x10023641
key fingerprint = 52 8E 22 19 73 D7 DF 1A B6 5C 2F 80 1C F1 86 F4
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