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Re: [Qemu-devel] Re: gdbstub: packet reply is too long

From: Paul Brook
Subject: Re: [Qemu-devel] Re: gdbstub: packet reply is too long
Date: Sat, 20 Dec 2008 21:03:18 +0000
User-agent: KMail/1.9.9

On Saturday 20 December 2008, Jan Kiszka wrote:
> Paul Brook wrote:
> >>> I'm trying to debug a 32bit (i386) kernel on a 64bit host under kvm,
> >>> but gdb always refuses it with:
> >>
> >> QEMU and also KVM's x86_64 version are currently broken /wrt debugging
> >> targets < 64 bits. I've posted a fix a while ago, but there were
> >> concerns that gdb should better be enhanced (which is basically true,
> >> but unrealistic to achieve in the near future).
> >
> > I still maintain that making the g packet format depend on the current
> > CPU more is absolutely the wrong way to fix this.
> From a higher perspective, it is surely not the cleanest approach. But
> it still appears to be the only one which helps us working around this
> gdb shortcoming.

Actually it isn't. You could add an explicit switch.


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