Date: Wed, 3 Jul 1996 06:50:59 +0200 (MET DST) From: grog@lemis.de (Greg Lehey) To: freebsd-stable@freebsd.org (FreeBSD Stable Users) Subject: gdb broken in latest -stable? Message-ID: <199607030450.GAA23785@allegro.lemis.de>
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I've run into a strange problem on -stable: I can't even start programs under gdb: # gdb add GDB is free software and you are welcome to distribute copies of it under certain conditions; type "show copying" to see the conditions. There is absolutely no warranty for GDB; type "show warranty" for details. GDB 4.13 (i386-unknown-freebsd), Copyright 1994 Free Software Foundation, Inc... Breakpoint 1 at 0x1646: file add.c, line 9. (gdb) r Starting program: /usr/home/grog/add Program terminated with signal SIGBUS, Bus error. The program no longer exists. You can't do that without a process to debug (gdb) b start Breakpoint 2 at 0x1040 (gdb) r Starting program: /usr/home/grog/add Program terminated with signal SIGBUS, Bus error. The program no longer exists. You can't do that without a process to debug (gdb) This works just fine with -current. (gdb) b main Breakpoint 1 at 0x1646: file add.c, line 9. (gdb) r Starting program: /usr/home/grog/add Breakpoint 1, main (argc=1, argv=0xefbfd40c) at add.c:9 9 unsigned long sum = 0; (gdb) The program itself is trivial, I've just recompiled it, and in any case, it doesn't seem to have anything to do with the program. If I try running -stable gdb under -current, I get: (gdb) b main Breakpoint 1 at 0x1646: file add.c, line 9. (gdb) r Starting program: /usr/home/grog/add reading register eip (#8): Bad address. (gdb) I don't know whether this is related to the problem, or whether it's because of a mismatch between the kernels. If this is a general problem, I'd say it's a showstopper. Greg
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