From: Ryan Harper <ryanh@us.ibm.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm-devel <kvm-devel@lists.sourceforge.net>,
Avi Kivity <avi@qumranet.com>
Subject: Re: QEMU/KVM: make kvm_arch_load_regs() aware of in kernel APIC
Date: Fri, 4 Apr 2008 11:23:56 -0500 [thread overview]
Message-ID: <20080404162356.GC17361@us.ibm.com> (raw)
In-Reply-To: <20080403232437.GA24568@dmt>
* Marcelo Tosatti <mtosatti@redhat.com> [2008-04-03 18:22]:
>
> kvm_arch_load_regs() might load APIC base and APIC TPR from the
> uninitialized userspace APIC emulation.
>
> This happened when running X11 on SMP guest in my case, disabling the
> APIC for vcpu3:
>
> vcpu not ready for apic_round_robin
> vcpu not ready for apic_round_robin
> vcpu not ready for apic_round_robin
With this patch applied, I can start up my fedora8 guest with SMP and I
no longer get X11 video corruption.
--
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253 T/L: 678-9253
ryanh@us.ibm.com
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next prev parent reply other threads:[~2008-04-04 16:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-03 23:24 QEMU/KVM: make kvm_arch_load_regs() aware of in kernel APIC Marcelo Tosatti
2008-04-04 16:23 ` Ryan Harper [this message]
2008-04-04 21:23 ` Avi Kivity
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