Aneesh Kumar K.V wrote: > On Wed, May 20, 2009 at 12:23:12AM +0530, Aneesh Kumar K.V wrote: >> Hi, >> >> With the latest qemu-kvm and 2.6.30-rc6 kernel i am not able to get >> the guest debugging with gdb. I get the following error. >> >> $gdb ./vmlinux >> GNU gdb 6.8-debian >> Copyright (C) 2008 Free Software Foundation, Inc. >> License GPLv3+: GNU GPL version 3 or later >> <http://gnu.org/licenses/gpl.html> >> This is free software: you are free to change and redistribute it. >> There is NO WARRANTY, to the extent permitted by law. Type "show >> copying" >> and "show warranty" for details. >> This GDB was configured as "i486-linux-gnu"... >> (gdb) b do_fork >> Breakpoint 1 at 0xc106cfc8: file kernel/fork.c, line 1347. >> (gdb) target remote localhost:1234 >> Remote debugging using localhost:1234 >> [New Thread 1] >> Remote 'g' packet reply is too long: >> 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 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000 >> (gdb) >> >> any patches that i can try ? > > Works better with the four patches found at > > http://git.kiszka.org/?p=kvm-userspace.git;a=shortlog;h=refs/heads/queues/gdb > > But a next and continue doesn't get the prompt back on gdb. The guest > does stops the execution. What arch is host and guest (x86-32 or -64)? What KVM versions are you using? Are you sure that guest and vmlinux matches? Jan -- Siemens AG, Corporate Technology, CT SE 2 Corporate Competence Center Embedded Linux -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
