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Andrew Purtell commented on HBASE-2039: --------------------------------------- I thought I would try G1 out again tonight. Simple all-localhost config, using file:/// rootdir on /tmp, running PE randomWrite 1: {noformat} # SIGSEGV (0xb) at pc=0x00007f05f888f201, pid=19186, tid=139663553251600 # # JRE version: 6.0_16-b01 # Java VM: Java HotSpot(TM) 64-Bit Server VM (14.2-b01 mixed mode linux-amd64 ) # Problematic frame: # V [libjvm.so+0x31d201] Current thread (0x00000000419b6000): GCTaskThread [stack: 0x0000000000000000,0x0000000000000000] [id=19199] siginfo:si_signo=SIGSEGV: si_errno=0, si_code=128 (), si_addr=0x0000000000000000 Registers: RAX=0x0000000000000001, RBX=0x00007f05d3e52b00, RCX=0x00007f05f8e26d70, RDX=0x4141414158585858, RSP=0x00007f05f47a6fc0, RBP=0x00007f05f47a7010, RSI=0x00007f05d3e52b00, RDI=0x4141414158585868,R8 =0x00007f05ef100000, R9 =0x0000000007d00000, R10=0x00000000419da520, R11=0x0000000000000235, R12=0x00007f05f47ab5c0, R13=0x00007f05d3e52b00, R14=0x00007f05f47ab5c0, R15=0x00000000419b9830, RIP=0x00007f05f888f201, EFL=0x0000000000010246, CSGSFS=0x0000000000000033, ERR=0x0000000000000000 TRAPNO=0x000000000000000d {noformat} > G1 GC issues > ------------ > > Key: HBASE-2039 > URL: https://issues.apache.org/jira/browse/HBASE-2039 > Project: Hadoop HBase > Issue Type: Bug > Reporter: stack > > Lets keep an issue where we report on g1 issues. Lets keep list of crashes > we see. > I filed an issue up on bug parade. Lets see if it becomes actual bug. Below > I note version of vm and the type of crash (Internal Error > (nmethod.cpp:1981), pid=32319..... Its a 'fatal error'). It happens for me > after 5-10 minutes when a loading test. Same thing each time. > G1 in 1.6 seems plain broke; crashes on use of stuff in concurrent utils > package. > Date Created: Thu Dec 10 13:33:04 MST 2009 > .. > Synopsis: Running G1 GC, crashes with " Internal Error (nmethod.cpp:1981), > pid=32319..." > Description: > FULL PRODUCT VERSION : > java version "1.7.0-ea" > Java(TM) SE Runtime Environment (build 1.7.0-ea-b77) > Java HotSpot(TM) 64-Bit Server VM (build 17.0-b05, mixed mode) > FULL OS VERSION : > Fedora Core release 6 (Zod) > EXTRA RELEVANT SYSTEM CONFIGURATION : > Here are the JVM args: > -XX:+HeapDumpOnOutOfMemoryError -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.