[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v4.1] Add optionrom compatible with fw_cfg DMA v
Richard W.M. Jones
Re: [Qemu-devel] [PATCH v4.1] Add optionrom compatible with fw_cfg DMA version
Mon, 4 Apr 2016 16:21:12 +0100
On Mon, Apr 04, 2016 at 04:02:04PM +0100, Stefan Hajnoczi wrote:
> (1) initrd loading is broken, kernel complains it finds only gibberish:
> [ 0.934582] Unpacking initramfs...
> [ 1.166983] Initramfs unpacking failed: junk in compressed archive
> [ 1.168458] Freeing initrd memory: 32812k freed
That's strange. I certainly never saw anything like this. I wonder
if it's because your initrd is particularly large?
> (2) going back to non-dma boot via -M pc-$old doesn't work, appearently
> fw_cfg dma is enabled even for old machine types.
IIRC there was a thread about how we accidentally added DMA to old
machine types. Does this matter?
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine. Supports Linux and Windows.
Re: [Qemu-devel] [PATCH v4.1] Add optionrom compatible with fw_cfg DMA version, Michael S. Tsirkin, 2016/04/04