When running "java -version"on Redhat 7 machine, I hit following assertion
in either client & server VM. It passed on all Redhat 6.2 machine.

$ uname -a
Linux roborooter 2.4.1-0.1.9smp #1 SMP Wed Feb 14 21:52:02 EST 2001 i686 unknown

$ /net/jdk/export/disk8/local.java/jdk1.4/linux-i386/bin/java_g -version
#
# HotSpot Virtual Machine Error, assertion failure
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# assert(thread != __null, "just checking")
#
# Error ID: /usr/re/hotspot/hotspot1.4/ws/build/linux/../../src/share/vm/runtime/thread.hpp, 282
#
# Problematic Thread: [error occured during error reporting]
Unexpected Signal: 11, PC: 0x403c89a2
An error has just occurred, do you want to debug the problem?


Unexpected Signal : 11 occurred at PC=0x403C89A2
Function=osthread__C6Thread+0x6
Library=/.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i386/client/libjvm_g.so

Cannot obtain thread information

Dynamic libraries:
08048000-08051000 r-xp 00000000 00:be 2365920 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/bin/i386/native_threads/java_g
08051000-08053000 rw-p 00008000 00:be 2365920 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/bin/i386/native_threads/java_g
40000000-40015000 r-xp 00000000 03:01 252048 /lib/ld-2.2.2.so
40015000-40017000 rw-p 00014000 03:01 252048 /lib/ld-2.2.2.so
40017000-40021000 r-xp 00000000 00:be 1143203 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i386/native_threads/libhpi_g.so
40021000-40022000 rw-p 00009000 00:be 1143203 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i386/native_threads/libhpi_g.so
4002c000-40039000 r-xp 00000000 03:01 252091 /lib/libpthread-0.9.so
40039000-40041000 rw-p 0000c000 03:01 252091 /lib/libpthread-0.9.so
40041000-40543000 r-xp 00000000 00:be 1573051 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i386/client/libjvm_g.so
40543000-41755000 rw-p 00501000 00:be 1573051 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i386/client/libjvm_g.so
417ac000-417af000 r-xp 00000000 03:01 252059 /lib/libdl-2.2.2.so
417af000-417b0000 rw-p 00002000 03:01 252059 /lib/libdl-2.2.2.so
417b0000-418d2000 r-xp 00000000 03:01 252055 /lib/libc-2.2.2.so
418d2000-418d7000 rw-p 00121000 03:01 252055 /lib/libc-2.2.2.so
418db000-418ee000 r-xp 00000000 03:01 252064 /lib/libnsl-2.2.2.so
418ee000-418ef000 rw-p 00012000 03:01 252064 /lib/libnsl-2.2.2.so
418f1000-41925000 r-xp 00000000 03:01 330798 /usr/lib/libstdc++-2-libc6.1-1-2.9.0.so
41925000-41931000 rw-p 00033000 03:01 330798 /usr/lib/libstdc++-2-libc6.1-1-2.9.0.so
41933000-41953000 r-xp 00000000 03:01 252061 /lib/libm-2.2.2.so
41953000-41954000 rw-p 0001f000 03:01 252061 /lib/libm-2.2.2.so
41954000-4196a000 r-xp 00000000 00:be 829965 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i386/libverify_g.so
4196a000-4196d000 rw-p 00015000 00:be 829965 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i386/libverify_g.so
4196d000-41993000 r-xp 00000000 00:be 829966 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i386/libjava_g.so
41993000-41996000 rw-p 00025000 00:be 829966 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i386/libjava_g.so
41997000-419ab000 r-xp 00000000 00:be 829967 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i386/libzip_g.so
419ab000-419ae000 rw-p 00013000 00:be 829967 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i386/libzip_g.so
419ae000-42e1c000 r--s 00000000 00:be 571785 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/rt.jar
42e5b000-4314e000 r--s 00000000 00:be 571938 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/i18n.jar
4314e000-43163000 r--s 00000000 00:be 571773 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/sunrsasign.jar
43163000-431dd000 r--s 00000000 00:be 571775 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/jsse.jar
431dd000-431ef000 r--s 00000000 00:be 571774 /.automount/jdk/root/export/disk8/local.java/jdk1.4/linux-i386/jre/lib/jce.jar

Local Time = Wed Apr 25 15:36:52 2001
Elapsed Time = 31
#
# HotSpot Virtual Machine Error : 11
# Error ID : /usr/re/hotspot/hotspot1.4/ws/build/linux/../../src/share/vm/runtime/os.cpp, 729
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Client VM (1.4.0-beta-b61-debug mixed mode)
#
# An error report file has been saved as /tmp/hs_err_pid2114.log.
# Please refer to the file for further information.
#
Current thread is 0x402