Peter Maydell <[email protected]> writes:
> On Fri, 5 Jul 2019 at 11:43, Kamil Rytarowski <[email protected]> wrote: >> >> On 05.07.2019 12:24, Alex Bennée wrote: >> > >> > Gerd Hoffmann <[email protected]> writes: >> > >> >> Instead of fetching the prebuilt image from patchew download the install >> >> iso and prepare the image locally. Install to disk, using the serial >> >> console. Create qemu user, configure ssh login. Install packages >> >> needed for qemu builds. >> > >> > I've had to drop this from my v3 PR as Peter was seeing a very >> > slow/hanging install when running his merge tests. I've tried to >> > reproduce and I see it stall while installing packages but nowhere near >> > the delay Peter has seen. >> > >> > Any pointers on how to debug gratefully received. >> > >> >> Does it use virtio? There were performance issues with virio disk device. > > The symptoms I see with this patch are that the VM appears to > completely stall, rather than progressing but slowly. which is odd given we are both testing on the same machine (hackbox2?). I wonder if there is a environmental issue? Possibly the host file-system? > (I do also see on the current NetBSD tests/vm setup that sometimes > 'make check' runs pretty slowly, but in that case it does make > progress, it just completes much slower than either the openbsd > or freebsd VMs. 'make check' is not particularly IO intensive, > certainly not compared to the actual compile phase, though. > And sometimes the initial "wait for VM to boot and ssh in" > phase just hits our 6 minute timeout.) > > thanks > -- PMM -- Alex Bennée
