Re: Linux 5.13+ as Xen dom0 crashes on Ryzen CPU (ucode loading related?)

2021-09-14 Thread Marek Marczykowski-Górecki
On Tue, Sep 14, 2021 at 10:39:10AM +0200, Jan Beulich wrote: > On 14.09.2021 09:14, Juergen Gross wrote: > > On 13.09.21 14:50, Marek Marczykowski-Górecki wrote: > >> Hi, > >> > >> Since 5.13, the Xen (PV) dom0 crashes on boot, before even printing the > >> kernel version. > >> Test environment: >

Re: Linux 5.13+ as Xen dom0 crashes on Ryzen CPU (ucode loading related?)

2021-09-14 Thread Juergen Gross
On 14.09.21 10:33, Mike Rapoport wrote: On Tue, Sep 14, 2021 at 09:14:38AM +0200, Juergen Gross wrote: On 13.09.21 14:50, Marek Marczykowski-Górecki wrote: Hi, Since 5.13, the Xen (PV) dom0 crashes on boot, before even printing the kernel version. Test environment: - Xen 4.14.2 - AMD

Re: Linux 5.13+ as Xen dom0 crashes on Ryzen CPU (ucode loading related?)

2021-09-14 Thread Jan Beulich
On 14.09.2021 09:14, Juergen Gross wrote: > On 13.09.21 14:50, Marek Marczykowski-Górecki wrote: >> Hi, >> >> Since 5.13, the Xen (PV) dom0 crashes on boot, before even printing the >> kernel version. >> Test environment: >> - Xen 4.14.2 >> - AMD Ryzen 5 4500U (reported also on AMD Ryzen 7

Re: Linux 5.13+ as Xen dom0 crashes on Ryzen CPU (ucode loading related?)

2021-09-14 Thread Mike Rapoport
On Tue, Sep 14, 2021 at 09:14:38AM +0200, Juergen Gross wrote: > On 13.09.21 14:50, Marek Marczykowski-Górecki wrote: > > Hi, > > > > Since 5.13, the Xen (PV) dom0 crashes on boot, before even printing the > > kernel version. > > Test environment: > > - Xen 4.14.2 > > - AMD Ryzen 5 4500U

Re: Linux 5.13+ as Xen dom0 crashes on Ryzen CPU (ucode loading related?)

2021-09-14 Thread Juergen Gross
On 13.09.21 14:50, Marek Marczykowski-Górecki wrote: Hi, Since 5.13, the Xen (PV) dom0 crashes on boot, before even printing the kernel version. Test environment: - Xen 4.14.2 - AMD Ryzen 5 4500U (reported also on AMD Ryzen 7 4750U) - Linux 5.13.13, confirmed also on 5.14 The crash

Re: Linux 5.13+ as Xen dom0 crashes on Ryzen CPU (ucode loading related?)

2021-09-13 Thread Mike Rapoport
Hi Marek, On Mon, Sep 13, 2021 at 02:50:00PM +0200, Marek Marczykowski-Górecki wrote: > Hi, > > Since 5.13, the Xen (PV) dom0 crashes on boot, before even printing the > kernel version. > Test environment: > - Xen 4.14.2 > - AMD Ryzen 5 4500U (reported also on AMD Ryzen 7 4750U) > - Linux

Linux 5.13+ as Xen dom0 crashes on Ryzen CPU (ucode loading related?)

2021-09-13 Thread Marek Marczykowski-Górecki
Hi, Since 5.13, the Xen (PV) dom0 crashes on boot, before even printing the kernel version. Test environment: - Xen 4.14.2 - AMD Ryzen 5 4500U (reported also on AMD Ryzen 7 4750U) - Linux 5.13.13, confirmed also on 5.14 The crash happens only if the initramfs has earlycpio with microcode. I