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From: | Peter Cheung |
Subject: | Re: [Qemu-devel] latest qemu with gdb remote not working |
Date: | Mon, 10 Jun 2013 23:16:10 +0800 |
Hi Peter
I just git pull the latest code, the gdb still fail to run after sending a "c" command. Thanks from Peter > Date: Mon, 3 Jun 2013 09:47:41 +0200 > From: address@hidden > To: address@hidden > CC: address@hidden; address@hidden; address@hidden > Subject: Re: [Qemu-devel] latest qemu with gdb remote not working > > Il 03/06/2013 09:42, Peter Crosthwaite ha scritto: > > Hi Peter and Peter :) > > > > On Sun, Jun 2, 2013 at 7:27 PM, Peter Maydell <address@hidden> wrote: > >> On 2 June 2013 06:46, Peter Cheung <address@hidden> wrote: > >>> I just tried to compile the latest qemu on Fedora 18 64 bits, > >>> it is also fail. When i press "c" in gdb, the qemu won't start > >>> running. > >> > >> Good. This significantly increases the chances that somebody > >> will investigate. > > > > I think I may have replicated as well. qemu-system-arm on Ubuntu 10.04 host. > > And it works again for me after a revert of: > > > > commit 87f25c12bfeaaa0c41fb857713bbc7e8a9b757dc > > Author: Paolo Bonzini <address@hidden> > > Date: Thu May 30 13:20:40 2013 +0200 > > > > gdbstub: do not restart crashed guest > > > > If a guest has crashed with an internal error or similar, detaching > > gdb (or any other debugger action) should not restart it. > > > > Cc: Jan Kiszka <address@hidden> > > Signed-off-by: Paolo Bonzini <address@hidden> > > Reviewed-by: Laszlo Ersek <address@hidden> > > Message-id: address@hidden > > Signed-off-by: Anthony Liguori <address@hidden> > > Oops, indeed you need to type cont in both gdb and the monitor after > this patch. Funny I didn't notice; the fix should be to use > !runstate_needs_reset() instead of runstate_check(RUN_STATE_DEBUG). > > But it is likely a different bug than the Mac OS X one. > > Paolo > > > Ill dig further before sending through minimal replication > > instructions (gotta run!) > > but Peter Cheung, can you please try your test case after reverting this commit, > > to see if its perhaps the same bug? > > > > $ git revert 87f25c12bfeaaa0c41fb857713bbc7e8a9b757dc > > > > Regards, > > Peter > > > >> > >>> But one thing fedora is different than mac, when i connect gdb to qemu, it > >>> won't say "warning: Error 268435459 getting port names from mach_port_names" > >> > >> That looks like a Mac GDB specific issue. > >> > >>> In my mac, i use gcc from mac port, here is the version detail: > >>> > >>> /Users/peter>gcc -v > >> > >>> gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.1.00) > >> > >> This is pretty ancient -- I'd suggest using clang to build > >> QEMU instead. (It probably won't fix your problem here, though.) > >> > >> What command line are you using to configure and build QEMU? > >> > >> thanks > >> -- PMM > >> > > |
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