On 5/23/2025 4:15 PM, Manuel Bouyer wrote: > On Fri, May 23, 2025 at 04:13:01PM -0400, Chuck Zmudzinski wrote: >> [...] >> I needed to acquire a PCI serial card to get some useful messages because >> the motherboard does not have a built-in serial port. >> >> It appears Xen 4.18.4_20241221nb0 from pkgsrc crashes on my box before the >> NetBSD dom0 starts: >> >> -------- snip ------ >> (XEN) Xen call trace: >> (XEN) [<ffff82d040261a00>] R intel_iommu_enable_eim+0/0xe0 >> (XEN) [<ffff82d040268ac4>] S iommu_enable_x2apic+0x24/0x70 >> (XEN) [<ffff82d0403f579d>] S x2apic_bsp_setup+0x12d/0x220 >> (XEN) [<ffff82d0403ff0e4>] S __start_xen+0x1af4/0x2620 >> (XEN) [<ffff82d040204434>] S __high_start+0x94/0xa0 >> (XEN) >> (XEN) >> (XEN) **************************************** >> (XEN) Panic on CPU 0: >> (XEN) CONTROL-FLOW PROTECTION FAULT: #CP[0003] endbranch >> (XEN) **************************************** >> (XEN) >> (XEN) Reboot in five seconds... >> (XEN) Resetting with ACPI MEMORY or I/O RESET_REG. >> -------- end messages ------ > > Do you have a way to disable x2apic in the BIOS ?
I can check later this evening but I have an appointment now. > >> >> Please note only the pkgsrc version of Xen crashes. I can boot Xen with no >> problems using Xen packaged by Fedora, AlmaLinux, etc. on this box. > > Is it the same Xen version ? More or less - I know Xen 4.18.4 worked, now Fedora is at Xen 4.19. >
