From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28629 invoked by alias); 17 Aug 2004 13:29:59 -0000 Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sources.redhat.com Received: (qmail 28613 invoked from network); 17 Aug 2004 13:29:57 -0000 Received: from unknown (HELO cpc4-oxfd5-5-0-cust12.oxfd.cable.ntl.com) (81.105.116.12) by sourceware.org with SMTP; 17 Aug 2004 13:29:57 -0000 Received: from [127.0.0.1] (localhost.localdomain [127.0.0.1]) by cpc4-oxfd5-5-0-cust12.oxfd.cable.ntl.com (8.12.11/8.12.11) with ESMTP id i7HDixC7000858; Tue, 17 Aug 2004 14:45:00 +0100 Subject: Re: Opteron Stack Woes From: David Lecomber To: Daniel Jacobowitz Cc: gdb@sources.redhat.com In-Reply-To: <20040817131057.GA7719@nevyn.them.org> References: <1092744111.3127.25.camel@cpc4-oxfd5-5-0-cust12.oxfd.cable.ntl.com> <20040817131057.GA7719@nevyn.them.org> Content-Type: multipart/mixed; boundary="=-uHZdqHlSHhiEo4To1jDw" Message-Id: <1092750299.3127.34.camel@cpc4-oxfd5-5-0-cust12.oxfd.cable.ntl.com> Mime-Version: 1.0 Date: Tue, 17 Aug 2004 13:29:00 -0000 X-SW-Source: 2004-08/txt/msg00227.txt.bz2 --=-uHZdqHlSHhiEo4To1jDw Content-Type: text/plain Content-Transfer-Encoding: 7bit Content-length: 705 Thanks Daniel, > readelf -wF is probably your best bet. But is the only problem the > fact that the backtrace didn't stop at _start? I've seen worse stack traces than this on the Opteron, particularly one that had Lustre kernel patches applied -- but I don't know if that was related.. I'll keep an eye out for further problems. I figured that the "Incomplete CFI data" might be an issue. I don't know enough about this area yet to do anything.. > You might want to investigate why the backtrace didn't stop earlier, at > main or at a fortran entry point. GDB may be confused about > main_name(). Attached is the readelf -wF info, can you see anything wrong with the 0x040d7ad entry? ta, David --=-uHZdqHlSHhiEo4To1jDw Content-Disposition: attachment; filename=ReadElf Content-Type: text/plain; name=ReadElf; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-length: 5136 The section .eh_frame contains: 00000000 00000014 00000000 CIE "zR" cf=1 df=-8 ra=16 LOC CFA ra 00000000 r7+8 c-8 00000018 0000001c 0000001c FDE cie=00000000 pc=004188d0..00418926 LOC CFA r3 r6 r12 ra 004188d0 r7+8 u u u c-8 004188e3 r7+32 c-32 c-24 c-16 c-8 00000038 0000001c 0000003c FDE cie=00000000 pc=00418930..0041897c LOC CFA r3 r6 ra 00418930 r7+8 u u c-8 00418931 r7+16 u c-16 c-8 00418940 r7+24 u c-16 c-8 0041894b r7+32 c-24 c-16 c-8 00000058 ZERO terminator The section .debug_frame contains: 00000000 00000010 ffffffff CIE "" cf=1 df=-8 ra=16 LOC CFA ra 00000000 r7+8 c-8 00000014 00000028 00000000 FDE cie=00000000 pc=00400ff8..00401002 LOC CFA r6 ra 00400ff8 r7+8 u c-8 00400ff9 r7+16 c-16 c-8 00400ffc r6+16 c-16 c-8 00000040 00000028 00000000 FDE cie=00000000 pc=00401002..00401c8a LOC CFA r6 ra 00401002 r7+8 u c-8 00401003 r7+16 c-16 c-8 00401006 r6+16 c-16 c-8 0000006c 00000028 00000000 FDE cie=00000000 pc=00401c8a..00401de8 LOC CFA r6 ra 00401c8a r7+8 u c-8 00401c8b r7+16 c-16 c-8 00401c8e r6+16 c-16 c-8 00000098 00000028 00000000 FDE cie=00000000 pc=00401de8..0040205e LOC CFA r6 ra 00401de8 r7+8 u c-8 00401de9 r7+16 c-16 c-8 00401dec r6+16 c-16 c-8 000000c4 00000028 00000000 FDE cie=00000000 pc=0040205e..00402fc7 LOC CFA r6 ra 0040205e r7+8 u c-8 0040205f r7+16 c-16 c-8 00402062 r6+16 c-16 c-8 000000f0 00000028 00000000 FDE cie=00000000 pc=00402fc7..0040332a LOC CFA r6 ra 00402fc7 r7+8 u c-8 00402fc8 r7+16 c-16 c-8 00402fcb r6+16 c-16 c-8 0000011c 00000028 00000000 FDE cie=00000000 pc=0040332a..004039d9 LOC CFA r6 ra 0040332a r7+8 u c-8 0040332b r7+16 c-16 c-8 0040332e r6+16 c-16 c-8 00000148 00000028 00000000 FDE cie=00000000 pc=004039d9..00403b68 LOC CFA r6 ra 004039d9 r7+8 u c-8 004039da r7+16 c-16 c-8 004039dd r6+16 c-16 c-8 00000174 00000028 00000000 FDE cie=00000000 pc=00403b68..00407136 LOC CFA r6 ra 00403b68 r7+8 u c-8 00403b69 r7+16 c-16 c-8 00403b6c r6+16 c-16 c-8 000001a0 00000028 00000000 FDE cie=00000000 pc=00407136..004079dd LOC CFA r6 ra 00407136 r7+8 u c-8 00407137 r7+16 c-16 c-8 0040713a r6+16 c-16 c-8 000001cc 00000028 00000000 FDE cie=00000000 pc=004079dd..0040810b LOC CFA r6 ra 004079dd r7+8 u c-8 004079de r7+16 c-16 c-8 004079e1 r6+16 c-16 c-8 000001f8 00000028 00000000 FDE cie=00000000 pc=0040810b..00408296 LOC CFA r6 ra 0040810b r7+8 u c-8 0040810c r7+16 c-16 c-8 0040810f r6+16 c-16 c-8 00000224 00000028 00000000 FDE cie=00000000 pc=00408296..00408f49 LOC CFA r6 ra 00408296 r7+8 u c-8 00408297 r7+16 c-16 c-8 0040829a r6+16 c-16 c-8 00000250 00000028 00000000 FDE cie=00000000 pc=00408f49..00409074 LOC CFA r6 ra 00408f49 r7+8 u c-8 00408f4a r7+16 c-16 c-8 00408f4d r6+16 c-16 c-8 0000027c 00000028 00000000 FDE cie=00000000 pc=00409074..004096bb LOC CFA r6 ra 00409074 r7+8 u c-8 00409075 r7+16 c-16 c-8 00409078 r6+16 c-16 c-8 000002a8 00000028 00000000 FDE cie=00000000 pc=004096bb..0040c62a LOC CFA r6 ra 004096bb r7+8 u c-8 004096bc r7+16 c-16 c-8 004096bf r6+16 c-16 c-8 000002d4 00000028 00000000 FDE cie=00000000 pc=0040c62a..0040cc12 LOC CFA r6 ra 0040c62a r7+8 u c-8 0040c62b r7+16 c-16 c-8 0040c62e r6+16 c-16 c-8 00000300 00000028 00000000 FDE cie=00000000 pc=0040cc12..0040cdf3 LOC CFA r6 ra 0040cc12 r7+8 u c-8 0040cc13 r7+16 c-16 c-8 0040cc16 r6+16 c-16 c-8 0000032c 00000028 00000000 FDE cie=00000000 pc=0040cdf3..0040d1bb LOC CFA r6 ra 0040cdf3 r7+8 u c-8 0040cdf4 r7+16 c-16 c-8 0040cdf7 r6+16 c-16 c-8 00000358 00000028 00000000 FDE cie=00000000 pc=0040d1bb..0040d2fa LOC CFA r6 ra 0040d1bb r7+8 u c-8 0040d1bc r7+16 c-16 c-8 0040d1bf r6+16 c-16 c-8 00000384 00000028 00000000 FDE cie=00000000 pc=0040d2fa..0040d640 LOC CFA r6 ra 0040d2fa r7+8 u c-8 0040d2fb r7+16 c-16 c-8 0040d2fe r6+16 c-16 c-8 000003b0 00000028 00000000 FDE cie=00000000 pc=0040d640..0040d79f LOC CFA r6 ra 0040d640 r7+8 u c-8 0040d641 r7+16 c-16 c-8 0040d644 r6+16 c-16 c-8 000003dc 00000028 00000000 FDE cie=00000000 pc=0040d79f..0040d7a9 LOC CFA r6 ra 0040d79f r7+8 u c-8 0040d7a0 r7+16 c-16 c-8 0040d7a3 r6+16 c-16 c-8 00000408 00000028 00000000 FDE cie=00000000 pc=0040d7a9..00418751 LOC CFA r6 ra 0040d7a9 r7+8 u c-8 0040d7aa r7+16 c-16 c-8 0040d7ad r6+16 c-16 c-8 00000434 ZERO terminator --=-uHZdqHlSHhiEo4To1jDw--