Re: cd*.iso reboot loop (vultr, Skylake AVX MDS)

2021-12-04 Thread Theo de Raadt
Mike Larkin wrote: > On Sat, Dec 04, 2021 at 06:18:55PM +, Claus Assmann wrote: > > Just in case someone is wondering: vultr moved the VM to a different > > server, the system is up and running again. > > BTW: I guess I can ignore this: > > fd0 at fdc0 drive 1: density unknown > > > > > >

Re: cd*.iso reboot loop (vultr, Skylake AVX MDS)

2021-12-04 Thread Mike Larkin
On Sat, Dec 04, 2021 at 06:18:55PM +, Claus Assmann wrote: > Just in case someone is wondering: vultr moved the VM to a different > server, the system is up and running again. > BTW: I guess I can ignore this: > fd0 at fdc0 drive 1: density unknown > > > OpenBSD 6.9 (GENERIC) #464: Mon Apr 19

Re: cd*.iso reboot loop (vultr, Skylake AVX MDS)

2021-12-04 Thread Theo de Raadt
Philip Guenther wrote: > They have your virtualization guest configured in a way that doesn't match > any real hardware: it has a family-model-stepping combination that matches > the Skylake line, real hardware of which all have the cflushopt extension, > but the host is making the guest trap

Re: cd*.iso reboot loop (vultr, Skylake AVX MDS)

2021-12-04 Thread Claus Assmann
Just in case someone is wondering: vultr moved the VM to a different server, the system is up and running again. BTW: I guess I can ignore this: fd0 at fdc0 drive 1: density unknown OpenBSD 6.9 (GENERIC) #464: Mon Apr 19 10:28:56 MDT 2021

Re: cd*.iso reboot loop (vultr, Skylake AVX MDS)

2021-12-04 Thread Philip Guenther
On Sat, Dec 4, 2021 at 4:32 AM Claus Assmann wrote: > My vultr OpenBSD 6.8 instance crashed and when it tried to reboot it > failed at: > > root on sd0a (...) > WARNING: / was not properly unmounted > kernel: privileged instruction fault trap, code=0 > mds_handler_skl_avx+0x33: clflush

cd*.iso reboot loop (vultr, Skylake AVX MDS)

2021-12-04 Thread Claus Assmann
My vultr OpenBSD 6.8 instance crashed and when it tried to reboot it failed at: root on sd0a (...) WARNING: / was not properly unmounted kernel: privileged instruction fault trap, code=0 mds_handler_skl_avx+0x33: clflush __ALIGN_SIZE+0x500(%rid,%rax,8) I tried to boot from cd{68,69,70}iso but