Date: 30 Mar 2000 20:53:19 +0200 From: Samuel Tardieu <sam@inf.enst.fr> To: freebsd-hackers@freebsd.org Subject: Remote GDB and call stack Message-ID: <2000-03-30-20-53-20%2Btrackit%2Bsam@inf.enst.fr>
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I am investigating i386/17228 (Installation floppies hang up on Compaq Armada V300 laptop) that I submitted. I built a custom kernel with no SCSI at all (it had been suggested that NCR probes could be the cause of the lockups) and with remote gdb enabled. I can enter remote gdb just fine using the keyboard interrupt, but the call stack is pretty useless to me: Program received signal SIGTRAP, Trace/breakpoint trap. 0xc02060ed in Debugger () (gdb) where #0 0xc02060ed in Debugger () #1 0xc02030f2 in scgetc (sc=0xc027d520, flags=2) at ../../dev/syscons/syscons.c:3134 #2 0xc0200169 in sckbdevent (thiskbd=0xc0276280, event=0, arg=0xc027d520) at ../../dev/syscons/syscons.c:634 #3 0xc01f82e6 in atkbd_intr () #4 0xc021add4 in atkbd_isa_intr () Is there a way to know what was executing before the keyboard interrupt and go there? I need to step in the code, because the freeze is a real one, no keyboard interrupts will be generated anymore. Sam -- Samuel Tardieu -- sam@inf.enst.fr To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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