Date: Thu, 22 Sep 2005 02:29:22 -0400 (EDT) From: "Mikhail T." <mi@aldan.algebra.com> To: current@FreeBSD.org, amd64@FreeBSD.org Cc: re@FreeBSD.org Subject: amd64+gdb -- instant reboot (BETA5 and 4) Message-ID: <200509220629.j8M6TM3F000841@blue.virtual-estates.net>
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Hi! I was trying to use gdb to debug a program (audio/timidity++) on my 6.0-BETA4. It would play fine, and then I'll interrupt it with Ctrl-C to enter the debugger. If I then try to exit the debugger, the whole system will reboot instantaniously. I sync-ed to today's sources (BETA5) and added WITNESS, WITNESS_KDB, INVARIANTS, and INVARIANT_SUPPORT (strangly, INVARIANTS requires, but does not imply INVARIANT_SUPPORT). With BETA5 the story is exactly the same -- instant reboot. Sometimes I can see two lines of debug messages (lock order reversal?) flushed on the console, but the machine reboots too quickly to read them beyond: 1 .................... 2 .................... Is this gdb misbehaviour a known problem? How can I have the system avoid rebooting? Crash-dumping is enabled, but does not take place :-( Is that because timidity uses threads, perhaps? Thanks! -mi
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