customer regularly crashes with this resulting stack trace from the core file

  ---- called from signal handler with signal 10 (SIGBUS) ------
  [8] 0x52bb155c(0x1b3c778, 0x5627e5dc, 0x9d2a7ad0, 0x1b3c778, 0x42, 0x0), at 0x52bb155b
  [9] 0x52bb1558(0x30002f, 0x30002f, 0x42, 0x52c16000, 0x1b3c778, 0x17f1b60), at 0x52bb1557
  [10] Java_sun_awt_font_GlyphList_discardData(0x1b3c80c, 0x5627e5dc, 0x5627e480, 0x0, 0xf7c098e4, 0x0), at 0x52bb4250
  [11] 0xf7c0b96c(0x5627e5dc, 0xb7, 0x0, 0x5627e5e8, 0x0, 0x0), at 0xf7c0b96b
  [12] 0xf7c05804(0x5627e67c, 0xb6, 0x0, 0xf7c160d0, 0x4, 0x5627e578), at 0xf7c05803
  [13] 0xf7c05804(0x5627e71c, 0xb7, 0x0, 0xf7c15e50, 0x4, 0x5627e608), at 0xf7c05803
  [14] 0xf7c05804(0x5627e7a4, 0xea27eb00, 0x0, 0xf7c160e0, 0x14, 0x5627e6b0), at 0xf7c05803


An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : 10 occurred at PC=0x52BB155C
Function=[Unknown. Nearest: Java_sun_awt_font_NativeFontWrapper_getGlyphVectorOutline+0x25AC]
Library=/opt/p4/3rdparty/sun/java/sunos-sparc/1.4.2_05/jre/lib/sparc/libfontmanager.so
 
Current Java thread:
        at sun.awt.font.GlyphList.discardData(Native Method)
        at sun.awt.font.GlyphList.dispose(GlyphList.java:215)
        - locked <0xea264700> (a java.lang.Class)
        at sun.java2d.pipe.GlyphListPipe.drawGlyphVector(GlyphListPipe.java:151)
        at sun.java2d.pipe.AATextRenderer.drawGlyphVector(AATextRenderer.java:33)
        at sun.java2d.pipe.ValidatePipe.drawGlyphVector(ValidatePipe.java:128)
        at sun.java2d.SunGraphics2D.drawGlyphVector(SunGraphics2D.java:2614)
        at sun.awt.font.ExtendedTextSourceLabel.handleDraw(ExtendedTextSourceLabel.java:112)
        at sun.awt.font.Decoration.drawTextAndDecorations(Decoration.java:100)
        at sun.awt.font.ExtendedTextSourceLabel.draw(ExtendedTextSourceLabel.java:116)


thread stack from SA

Thread t@71: (state = IN_NATIVE, current Java SP = 0x5627e4f8)
Frame with fp = 0x5627e0a0 looked like a signal handler frame but wasn't
- sun.awt.font.GlyphList.discardData() @bci=0, pc=0xf7c0b974, methodOop=0xea313a60 (Interpreted frame)
- sun.awt.font.GlyphList.dispose() @bci=25, line=215, pc=0xf7c0580c, methodOop=0xea312038 (Interpreted frame)
- sun.java2d.pipe.GlyphListPipe.drawGlyphVector(sun.java2d.SunGraphics2D, java.awt.font.GlyphVector, float, float) @bci=208, line=151, pc=0xf7c0580c, methodOop=0xea288bb8 (Interpreted frame)
- sun.java2d.pipe.AATextRenderer.drawGlyphVector(sun.java2d.SunGraphics2D, java.awt.font.GlyphVector, float, float) @bci=37, line=33, pc=0xf7c0580c, methodOop=0xea27bd90 (Interpreted frame)
- sun.java2d.pipe.ValidatePipe.drawGlyphVector(sun.java2d.SunGraphics2D, java.awt.font.GlyphVector, float, float) @bci=13, line=128, pc=0xf7c05a94, methodOop=0xea2c00f0 (Interpreted frame)
- sun.java2d.SunGraphics2D.drawGlyphVector(java.awt.font.GlyphVector, float, float) @bci=58, line=2614, pc=0xf7c05a94, methodOop=0xea271788 (Interpreted frame)
- sun.awt.font.ExtendedTextSourceLabel.handleDraw(java.awt.Graphics2D, float, float) @bci=7, line=112, pc=0xf7c0580c, methodOop=0xea30fc90 (Interpreted frame)
- sun.awt.font.Decoration.drawTextAndDecorations(sun.awt.font.Decoration$Label, java.awt.Graphics2D, float, float) @bci=5, line=100, pc=0xf9170938, methodOop=0xea30fc20 (Compiled frame)
- java.awt.font.TextLayout.draw(java.awt.Graphics2D, float, float) @bci=54, line=2666, pc=0xf7c0580c, methodOop=0xea2f5e68 (Interpreted frame)
- sun.java2d.SunGraphics2D.drawString(java.text.AttributedCharacterIterator, float, float) @bci=34, line=2598, pc=0xf9162fc4, methodOop=0xea2b88a0 (Compiled frame)
- hotwire.view.captcha.HwTextPaster.pasteText(java.awt.image.BufferedImage, java.text.AttributedString) @bci=78, line=80, pc=0xf7c0580c, methodOop=0xea1e77e8 (Interpreted frame)
- com.octo.captcha.component.image.wordtoimage.ComposedWordToImage.pasteText(java.awt.image.BufferedImage, java.text.AttributedString) @bci=6, line=587, pc=0xf7c059e0, methodOop=0xea2211f8 (Interpreted frame)
- com.octo.captcha.component.image.wordtoimage.FilteredComposedWordToImage.getImage(java.lang.String) @bci=153, line=574, pc=0xf7c05758, methodOop=0xea2281b0 (Interpreted frame)
- hotwire.view.captcha.HwCaptchaFactory.getImageCaptcha(java.util.Locale) @bci=98, line=85, pc=0xf7c059e0, methodOop=0xea1e7140 (Interpreted frame)
- hotwire.view.captcha.HwCaptchaFactory.getImageCaptcha() @bci=70, line=69, pc=0xf7c05758, methodOop=0xea1ce030 (Interpreted frame)
- com.octo.captcha.engine.image.ListImageCaptchaEngine.getNextImageCaptcha() @bci=4, line=559, pc=0xf7c05758, methodOop=0xea1d8dc8 (Interpreted frame)
- hotwire.view.web.action.LoginAction.createHwCaptcha(hotwire.view.web.flow.HwSessionInfo, hotwire.view.web.form.account.LoginForm) @bci=15, line=491, pc=0xf7c05758, methodOop=0xe993cf40 (Interpreted frame)
- hotwire.view.web.action.LoginAction.handleLoginPageView(hotwire.view.web.flow.HwActionMapping, hotwire.view.web.form.HwActionForm, hotwire.view.web.flow.HwSessionInfo) @bci=103, line=123, pc=0xf7c0580c, methodOop=0xe994aa30 (Interpreted frame)
- hotwire.view.web.action.LoginAction.execute(hotwire.view.web.flow.HwActionMapping, hotwire.view.web.form.HwActionForm, hotwire.view.web.flow.HwSessionInfo) @bci=126, line=83, pc=0xf7c05758, methodOop=0xe98e2748 (Interpreted frame)
- hotwire.view.web.action.HwAction.handleLoginIntercept(hotwire.view.web.flow.HwSessionInfo, hotwire.view.web.form.HwActionForm, hotwire.view.web.flow.HwActionMapping, boolean, boolean, org.apache.struts.action.ActionForward) @bci=269, line=663, pc=0xf8dd6474, methodOop=0xe9909e70 (Compiled frame)
- hotwire.view.web.action.HwAction.executeLoginIfNeeded(hotwire.view.web.flow.HwSessionInfo, hotwire.view.web.form.HwActionForm, hotwire.view.web.flow.HwActionMapping, javax.servlet.http.HttpServletRequest, org.apache.struts.action.ActionForward) @bci=133, line=561, pc=0xf7c05758, methodOop=0xe9967e80 (Interpreted frame)
- hotwire.view.web.action.HwAction.execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) @bci=488, line=175, pc=0xf8727a98, methodOop=0xe9975e58 (Compiled frame)
- org.apache.struts.action.RequestProcessor.processActionPerform(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, org.apache.struts.action.Action, org.apache.struts.action.ActionForm, org.apache.struts.action.ActionMapping) @bci=7, line=484, pc=0xf85c7908, methodOop=0xe9121958 (Compiled frame)
- org.apache.struts.action.RequestProcessor.process(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) @bci=557, line=274, pc=0xf8d5ef58, methodOop=0xe9157f78 (Compiled frame)
- org.apache.struts.action.ActionServlet.process(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) @bci=19, line=1482, pc=0xf9261508, methodOop=0xe8f54a78 (Compiled frame)
- org.apache.struts.action.ActionServlet.doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) @bci=75, line=507, pc=0xf7c0580c, methodOop=0xe8f2dce8 (Interpreted frame)
- javax.servlet.http.HttpServlet.service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) @bci=35, line=740, pc=0xf7c0580c, methodOop=0xe8544a58 (Interpreted frame)
- javax.servlet.http.HttpServlet.service(javax.servlet.ServletRequest, javax.servlet.ServletResponse) @bci=30, line=853, pc=0xf7c0580c, methodOop=0xe8544d00 (Interpreted frame)
- weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run() @bci=12, line=996, pc=0xf84a374c, methodOop=0xe988e198 (Compiled frame)
- weblogic.servlet.internal.TailFilter.doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain) @bci=10, line=28, pc=0xf84f0154, methodOop=0xe9781f68 (Compiled frame)
- weblogic.servlet.internal.FilterChainImpl.doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse) @bci=28, line=27, pc=0xf8cbd9f4, methodOop=0xe9774730 (Compiled frame)
- weblogic.servlet.internal.FilterChainImpl.doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse) @bci=28, line=27, pc=0xf86571d4, methodOop=0xe9774730 (Compiled frame)
- weblogic.servlet.internal.FilterChainImpl.doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse) @bci=28, line=27, pc=0xf9d00300, methodOop=0xe9774730 (Compiled frame)
- weblogic.security.acl.internal.AuthenticatedSubject.doAs(weblogic.security.subject.AbstractSubject, java.security.PrivilegedAction) @bci=34, line=321, pc=0xf86d875c, methodOop=0xe7d9c140 (Compiled frame)
- weblogic.servlet.internal.ServletRequestImpl.execute(weblogic.kernel.ExecuteThread) @bci=84, line=2630, pc=0xf8f050bc, methodOop=0xe9737768 (Compiled frame)
- weblogic.kernel.ExecuteThread.execute(weblogic.kernel.ExecuteRequest) @bci=23, line=219, pc=0xf9f7dde0, methodOop=0xe8324fe0 (Compiled frame)
- weblogic.kernel.ExecuteThread.run() @bci=63, line=178, pc=0xf86fbcd4, methodOop=0xe8324e10 (Compiled frame)

customer pointed to bug ID 6215606 but the stack trace in that one appears to be with the CMS GC collector. Customer is using CMS, but the stack trace is not showing it faulting in the collector so opening this CR

The CMS thread
(dbx) where
current thread: t@6
=>[1] ___lwp_cond_wait(0x4, 0x3aae0, 0xfbd7fdd8, 0x0, 0x0, 0x0), at 0xff31f9cc [2] __lwp_cond_reltimedwait(0x3aaf8, 0x3aae0, 0xfbd7fdd8, 0x1bb4cdd0, 0x432089b4, 0xfbd7fdd0), at 0xff316a1c
  [3] __lwp_cond_timedwait(0x3aaf8, 0x3aae0, 0xfbd7fec0, 0x3aae0, 0x4b8110, 0xfbd7feb8), at 0xff316afc
  [4] Monitor::wait(0x35420, 0x7d0, 0x7d0, 0x4000, 0x4194, 0x0), at 0xfed93f80 [5] ConcurrentMarkSweepThread::run(0x3c00, 0x4c00, 0x5400, 0x5614, 0x4000, 0x4014), at 0xfef76ea0
  [6] _start(0x1d8290, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xfee643e0