To follow up a little. A great free memory tester is here: http://www.memtest86.com/
Oscar On Tue, 18 Nov 2003, Oscar Carrillo wrote: > What's your hardware? Are you running multiple processors? > > Do you compile your own Apache2 and mod_jk/mod_jk2? > > Have you tried compiling your own kernel from the more recent sources. > Kernel 2.4 had some shaky releases and RedHat8 fell in the middle of it. > Kernel 2.4.22 is the latest. > > Have you tried setting the environment variable: LD_KERNEL_ASSUME=2.2.5? > > Oscar > > On Tue, 18 Nov 2003, David Muller wrote: > > > Hello all, Can anyone please confirm or deny rumors that moving from RH8 > > to RH9 fixes random Sig 11 crashes when an Apache2/Tomcat4/JVM1.4X app > > is loaded? > > > > We have gone through a huge matrix of heap sizes, stack sizes, > > connectors, connector settings, hyperthreading off, etc. with jvm > > gcverbose on and still get sig 11's at random places when we load our > > app. This is with BOTH the IBM 1.4.1 JDK and the Sun 1.4.2_02 JDK. > > > > We have upgraded RH 8 with the latest OS patches. > > > > If anyone has found this and can point to a specific lib that would be > > even better. > > > > Thanks, > > -Dave > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > > Sent: Monday, November 17, 2003 2:54 AM > > To: [EMAIL PROTECTED] > > Subject: RE: Signal 11 causing Tomcat crash > > > > > > I've seen similar things with Java. > > > > Are all the java related patches for the OS applied. We recently have a > > similar issue with Solaris 2.8 and Java and applying the relevant patches > > cured it. > > > > File a bug report with Sun/IBM? > > > > Greg > > > > > -----Original Message----- > > > From: Phil Steitz [mailto:[EMAIL PROTECTED] > > > Sent: 15 November 2003 21:38 > > > To: Tomcat Users List > > > Subject: Re: Signal 11 causing Tomcat crash > > > > > > > > > Jim Goodspeed wrote: > > > > Unfortunately we have also tried Sun's JVM and are > > > > experiencing the same Signal 11 errors (I've included > > > > two snippets of the Sun error - same error as the IBM > > > > Sig 11, just in a different format). Sometimes the > > > > dump specifies the library in question, other times it > > > > does not. > > > > > > > > Thanks, > > > > Jim > > > > > > > > An unexpected exception has been detected in native > > > > code outside the VM. > > > > Unexpected Signal : 11 occurred at PC=0x1 > > > > Function=[Unknown.] > > > > Library=(N/A) > > > > > > > > An unexpected exception has been detected in native > > > > code outside the VM. > > > > Unexpected Signal : 11 occurred at PC=0x59DF83B0 > > > > Function=(null)+0x59DF83B0 > > > > Library=/usr/IBMdb2/V7.1/lib/libdb2.so.1 > > > > > > Are you sure that the driver version and fixpack match the > > > server? DB2 > > > can do funny things when this is not the case. See for example: > > > http://dbforums.com/arch/39/2002/9/515834 > > > > > > Phil > > > > > > > > > > > > > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]