[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: NetBSD dom0 PVH: hardware interrupts stalls
On Mon, Nov 23, 2020 at 01:51:12PM +0100, Roger Pau Monné wrote: > Hm, yes, it's quite weird. Do you know whether a NetBSD kernel can be > multibooted from pxelinux with Xen? I would like to see if I can > reproduce this myself. Yes, if Xen+linux can boot, Xen+netbsd should boot too. In a previous mail I wrote: In case it helps, I put by Xen and netbsd kernels at http://www-soc.lip6.fr/~bouyer/netbsd-dom0-pvh/ I boot it from the NetBSD boot loader with: menu=Boot Xen PVH:load /netbsd-test console=com0 root=dk0 -vx; multiboot /xen-te st.gz dom0_mem=1024M console=com2 com2=57600,8n1 loglvl=all guest_loglvl=all gnt tab_max_nr_frames=64 dom0=pvh iommu=debug I guess with grub this would be kernel /xen-test.gz dom0_mem=1024M console=com2 com2=57600,8n1 loglvl=all guest_ loglvl=all gnttab_max_nr_frames=64 dom0=pvh iommu=debug module /netbsd-test console=com0 root=dk0 -vx (yes, com2 for xen and com0 for netbsd, that's not a bug :) You can enter the NetBSD debugger with +++++ you can then enter commands, lile sh ev /i to see the interrupt counters > > I have the following patch also which will print a warning message > when GSI 34 is injected from hardware or when Xen performs an EOI > (either from a time out or when reacting to a guest one). I would > expect at least the interrupt injection one to trigger together with > the existing message. It's quite verbose. I put the full log at http://www-soc.lip6.fr/~bouyer/xen-log4.txt -- Manuel Bouyer <bouyer@xxxxxxxxxxxxxxx> NetBSD: 26 ans d'experience feront toujours la difference --
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