Customer reports crash during GC using the ParallelGC. Looking at the hs_err files they sent me, the stack trace at the time of the crash is this:

Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x64e351];;  _ZN7VMError14report_and_dieEv+0x1b1
V  [libjvm.so+0x2ddfa6];;  _Z12report_fatalPKciS0_+0x46
V  [libjvm.so+0x59e309];;  _ZN10PSYoungGen13resize_spacesEmm+0x2e9
V  [libjvm.so+0x59deb3];;  _ZN10PSYoungGen6resizeEmm+0x43
V  [libjvm.so+0x566b61];;  _ZN20ParallelScavengeHeap16resize_young_genEmm+0x71
V  [libjvm.so+0x59bf12];;  _ZN10PSScavenge16invoke_no_policyEPi+0xc32
V  [libjvm.so+0x59b171];;  _ZN10PSScavenge6invokeEPi+0x61
V  [libjvm.so+0x565f2d];;  _ZN20ParallelScavengeHeap19failed_mem_allocateEPimii+
0x6d
V  [libjvm.so+0x656bea];;  _ZN29VM_ParallelGCFailedAllocation4doitEv+0x6a
V  [libjvm.so+0x65660a];;  _ZN12VM_Operation8evaluateEv+0x4a
V  [libjvm.so+0x655d26];;  _ZN8VMThread18evaluate_operationEP12VM_Operation+0x86
V  [libjvm.so+0x655f9b];;  _ZN8VMThread4loopEv+0x17b
V  [libjvm.so+0x655b2a];;  _ZN8VMThread3runEv+0x6a
V  [libjvm.so+0x559095];;  _Z6_startP6Thread+0x155

This is the machine info, from the customer's e-mail:

The server spec which has generated this is Redhat AS3, ubs build 019. 
Kernel: 
$ uname -a
Linux xldn1935dap 2.4.21-37.ELsmp #1 SMP Wed Sep 7 13:32:18 EDT 2005
x86_64 x86_64 x86_64 GNU/Linux
Libc:
glibc-2.3.2-95.37

Hardware:
Either hp dl385 or dl585
Dl585: 4x2.2 ghz dual core opteron, 32gb ram
Dl384: 2x2.2 ghz dual core opteron, 16gb ram Cpu details from dl585:
processor       : 7
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 33
model name      : AMD Opteron (tm) Processor 875
physical id     : 255
siblings        : 1
stepping        : 0
cpu MHz         : 2199.977
cache size      : 1024 KB
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm
3dnowext 3dnow
bogomips        : 4390.91
TLB size        : 1088 4K pages
clflush size    : 64
address sizes   : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp