Gentoo's Bugzilla –
Attachment 563558 Details for
Bug 677138dev-java/icedtea-bin-3.10.0 on x86 - Internal Error (os_linux_x86.cpp:291), pid=8260, tid=0x871ffb40 // fatal error: An irrecoverable SI_KERNEL SIGSEGV has occurred due to unstable signal handling in this distribution.