Re: panic during boot of 5.7 in de(4) running in Hyper-V

On Tue, Jun 23, 2015 at 09:08:25PM -0600, Theo de Raadt wrote: > > I looked into this last year but lost interest. It seems like the DMA buffer > > is being placed past the UVM constraint for DMA ( eg > 4GB). > > A configuration buffer is in the softc. It should be allocated to be > dma-reachable

Re: panic during boot of 5.7 in de(4) running in Hyper-V

On Tue, Jun 23, 2015 at 09:08:25PM -0600, Theo de Raadt wrote: > -bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, > - sizeof(sc->tulip_setupbuf)); > +bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, TULIP_SETUP); > +sc->tulip_setupbuf = dma_alloc(TULIP_SETUP, PR_WAITOK); > +sc->

Re: panic during boot of 5.7 in de(4) running in Hyper-V

> I looked into this last year but lost interest. It seems like the DMA buffer > is being placed past the UVM constraint for DMA ( eg > 4GB). A configuration buffer is in the softc. It should be allocated to be dma-reachable. This driver is quite ugly. Maybe the following diff works? Index: if

Re: panic during boot of 5.7 in de(4) running in Hyper-V

On Tue, Jun 23, 2015 at 02:57:51PM -0600, Tom Schutter wrote: > I installed 5.7 from > http://ftp3.usa.openbsd.org/pub/OpenBSD/5.7/amd64/install57.iso > in a Windows Server 2012 R2 Hyper-V VM using the "Legacy Network > Adapter". I always get a kernel panic in the de(4) driver during boot. > If I