From: Joel Schopp <joel.schopp@amd.com>
To: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Mathew Li <mathew.li100@gmail.com>, KVM <kvm@vger.kernel.org>
Subject: Re: KVM on ARM64
Date: Wed, 6 Aug 2014 11:48:05 -0500 [thread overview]
Message-ID: <53E25C45.9050603@amd.com> (raw)
In-Reply-To: <CAMJs5B82qibMqNR6OFXjABgbSPhJf3kBYfy3bek3XtaH6MLztA@mail.gmail.com>
It turns out that after a recent rebase of my kernel and qemu to the
latest the problem is fixed. Rather than hunt down what fixed it I'm
just accepting the win and moving on. -smp 4 now works.
-Joel
On 08/06/2014 11:15 AM, Christoffer Dall wrote:
> On Tue, Aug 5, 2014 at 4:18 PM, Joel Schopp <joel.schopp@amd.com> wrote:
>> On 08/04/2014 07:35 PM, Mathew Li wrote:
>>> Hi,
>>>
>>> I have a quick question. How do we add a hard disk to the qemu ARM VM?
>>>
>>> I tried:
>>>
>>> qemu-system-aarch64 -machine virt -hda disk.img -kernel image -initrd initrd.img
>>>
>>> qemu-system-aarch64 -machine virt -sd disk.img -kernel image -initrd initrd.img
>>>
>>> qemu-system-aarch64 -machine virt -mtdblock disk.img -kernel image
>>> -initrd initrd.img
>>>
>>> Nothing seems to work. I am not able to see any disk (i.e. dev/sdX)
>>> inside guest OS.
>> I've been running something like this:
>>
>> qemu-system-aarch64 -smp 1 --enable-kvm -nographic -netdev tap,id=t0,ifname=tap0,script=no,downscript=no,vhost=on -device virtio-net-device,netdev=t0,id=nic0 \
>> -kernel /extra/rootfs/boot/Image -drive file=/extra/rootfs.img,id=fs -device virtio-blk-device,drive=fs -m 512 -M virt -cpu host -append "console=ttyAMA0 console=ttyS0 root=/dev/vda"
>>
>>
>> On my system -smp 2 or higher hangs in the guest kernel.
> The -smp 2 hang issue is probably due to a missing PSCI v0.2 follow-up
> patch to QEMU, you can try:
> https://git.linaro.org/people/christoffer.dall/qemu-arm.git/shortlog/refs/heads/psci2-smp-fix
>
> [disclaimer: there may be a better fix somewhere on the qemu list, I
> haven't kept track the last couple of days]
>
> -Christoffer
next prev parent reply other threads:[~2014-08-06 16:50 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-05 0:35 KVM on ARM64 Mathew Li
2014-08-05 5:00 ` Wei Huang
2014-08-05 14:18 ` Joel Schopp
2014-08-06 16:15 ` Christoffer Dall
2014-08-06 16:48 ` Joel Schopp [this message]
2014-08-07 16:51 ` Mathew Li
2014-08-07 16:52 ` Joel Schopp
2014-08-07 17:53 ` Christoffer Dall
2014-08-07 18:06 ` Wei Huang
2014-08-07 20:03 ` Christoffer Dall
2014-08-07 18:21 ` Joel Schopp
2014-08-07 17:50 ` Christoffer Dall
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