From: gg@seh.de
To: <kronos.it@gmail.com>
Cc: <sheng.yang@intel.com>
Cc: <weidong.han@intel.com>
Cc: <kvm@vger.kernel.org>
Subject: Re: Test with VT-d patches
Date: Tue, 02 Sep 2008 20:40:06 +0200 [thread overview]
Message-ID: <4026910.240961220380805962.JavaMail.servlet@kundenserver> (raw)
Hi,
>On Tue, Sep 2, 2008 at 4:17 PM, <gg@seh.de> wrote:
>> Hi,
>>
>> here comes a small part of the dmesg output. Qemu/KVM produces now a CPU
>usage
>> of about 90%.
>>
>>
>> Sep 2 11:27:35 ubuntu klogd: [ 335.057707] ------------[ cut here
>]------------
>> Sep 2 11:27:35 ubuntu klogd: [ 335.057711] WARNING: at
>kernel/irq/manage.c:180 __enable_irq+0x34/0x80()
>> Sep 2 11:27:35 ubuntu klogd: [ 335.057713] Unbalanced enable for IRQ 21
>[...]
>> This messages comes endless.
>> Something with IRQs?
>
>Hum, seems that interrupt has already been enabled... did you load the
>driver for the NIC in the host? With pass-through the device is
>"owned" by the guest.
No.
The driver was not loaded.
It is not possible to start qemu with a pci-device used by the host.
(I try this with the second network device.)
Can this interrupt be shared with an other IRQ?
Gregor
next reply other threads:[~2008-09-02 18:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-02 18:40 gg [this message]
2008-09-03 0:57 ` Test with VT-d patches Yang, Sheng
-- strict thread matches above, loose matches on Subject: below --
2008-09-04 13:48 gg
2008-09-04 8:58 gg
2008-09-04 9:12 ` Han, Weidong
2008-09-04 9:33 ` Yang, Sheng
[not found] <22586672.111841220431056001.JavaMail.servlet@kundenserver>
2008-09-03 8:56 ` Yang, Sheng
2008-09-03 9:02 ` Han, Weidong
2008-09-03 9:02 ` Amit Shah
[not found] <20301128.193551220365059586.JavaMail.servlet@kundenserver>
2008-09-02 14:36 ` Luca Tettamanti
2008-09-03 3:28 ` Han, Weidong
2008-09-02 8:44 gg
2008-09-02 11:34 ` Yang, Sheng
2008-09-02 13:37 ` Han, Weidong
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