On 6 January 2014 20:26, Peter Maydell <peter.mayd...@linaro.org> wrote:
> On 6 January 2014 19:46, Ryan Harkin <ryan.har...@linaro.org> wrote: > > Hello, > > > > I'm trying to fire up an ARM fastmodel using a virtio block device rather > > than the emulated MMC block device. > > > > UEFI is reading the kernel & DTB off the virtio device, so I know the > device > > is present. > > > So far, I don't see any vda devices being enumerated (or any other virtio > > messages) and it rootwaits for /dev/vda2. > > Stupid question: does the DTB you're passing to the kernel > definitely have the virtio-mmio devices in it? (hopefully in the > right locations). > OMG, I think my brain has been in deep sleep. No, the DTB doesn't have virtio-mmio. I'll try it again tomorrow, but I'm pretty sure that's it. Thanks! > I generally when trying to debug QEMU virtio-mmio found the > kernel a bit less than chatty about what was happening; if you > need to debug this further it might be worth throwing printk > statements into the appropriate bits of the kernel, to see if > it's not looking for a virtio-mmio transport, or if it is but it > doesn't find it (bad magic number) or if it is and finds it but > doesn't start the backend for some reason. > > thanks > -- PMM >
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