Messages in this thread | | | Date | Mon, 21 Dec 2009 17:48:17 +0100 | From | Jan Kiszka <> | Subject | Re: x86: do_debug && PTRACE_SINGLESTEP broken by 08d68323d1f0c34452e614263b212ca556dae47f |
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Oleg Nesterov wrote: > On 12/21, Jan Kiszka wrote: >> Oleg Nesterov wrote: >>> Hmm. Now I see how wrong I was when I said this code is "obviously wrong" ;) > > Yes, it is easy to blame the code you don't understand. > > My apologies to all. > >>> I'll add the debugging printk's and report the output. Sorry for delay, >>> can't do this today. >> Can't reproduce, runs fine here with with 2.6.33-rc1 as both host&guest >> and qemu-kvm latest git. Host uses kvm-intel. > > Everything runs fine under 2.6.32 as a _host_ kernel. Previously I did > the testing under 2.6.26.5-45.fc9.
Makes sense: that kernel (most probably) predates any debug register virtualization in kvm.
> > Sorry for noise, thanks all for your help.
Never mind.
Jan
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