Date: Mon, 12 Nov 2018 08:58:12 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Rob Austein <sra@hactrn.net> Cc: freebsd-stable@freebsd.org Subject: Re: Panic (gpf) in early boot after upgrading FreeBSD 10.4 -> 11.2 on Ganeti Message-ID: <20181112065812.GW2378@kib.kiev.ua> In-Reply-To: <20181112042448.D2CB0200A1C733@minas-ithil.hactrn.net> References: <20181112042448.D2CB0200A1C733@minas-ithil.hactrn.net>
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On Sun, Nov 11, 2018 at 11:24:48PM -0500, Rob Austein wrote: > Belated upgrade (don't ask) of a pair of FreeBSD 10.4 VMs to 11.2. > Each VM got as far as: > > freebsd-update -r 11.2-RELEASE update > freebsd-update install > reboot > > Each VM got an immediate kernel panic after the reboot (log below). > > The two VMs are basically identical at the system level, but run in > separate Ganeti clusters on opposite coasts, so no hardware in common. > A dozen or so other VMs run in each cluster without issues (including > at least one other FreeBSD 11.2 VM), and the VMs I'm trying to upgrade > have also been just fine until now, so the problem seems unlikely to > be hardware per se. > > GENERIC, amd64, UFS2, no non-/boot/kernel modules, one CPU per VM. > The only things even slightly unusual about these VMs are: > > * They're running in Ganeti clusters: > * Ganeti version 2.15.2 > * KVM hypervisor > > * They use virtio, so: > * Disk is vtbd0 > * Net is vtnet0 > > Log of attempted boot with new kernel: > > /boot/kernel/kernel text=0x1547d48 data=0x144138+0x4e9818 syms=[0x8+0x16aef8+0x8+0x183f99] > Booting... > Copyright (c) 1992-2018 The FreeBSD Project. > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 > The Regents of the University of California. All rights reserved. > FreeBSD is a registered trademark of The FreeBSD Foundation. > FreeBSD 11.2-RELEASE-p4 #0: Thu Sep 27 08:16:24 UTC 2018 > root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 > FreeBSD clang version 6.0.0 (tags/RELEASE_600/final 326565) (based on LLVM 6.0.0) > VT(vga): text 80x25 > CPU: QEMU Virtual CPU version 2.1.2 (2666.81-MHz K8-class CPU) > Origin="GenuineIntel" Id=0x663 Family=0x6 Model=0x6 Stepping=3 > Features=0x783fbfd<FPU,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2> > Features2=0x80a02001<SSE3,CX16,x2APIC,POPCNT,HV> > AMD Features=0x20100800<SYSCALL,NX,LM> > AMD Features2=0x1<LAHF> > Hypervisor: Origin = "KVMKVMKVM" > real memory = 4294967296 (4096 MB) > avail memory = 4088406016 (3899 MB) > Event timer "LAPIC" quality 100 > ACPI APIC Table: <BOCHS BXPCAPIC> > ioapic0 <Version 1.1> irqs 0-23 on motherboard > kernel trap 9 with interrupts disabled > > > Fatal trap 9: general protection fault while in kernel mode > cpuid = 0; apic id = 00 > instruction pointer = 0x20:0xffffffff810e9ae6 > stack pointer = 0x28:0xffffffff82272c20 > frame pointer = 0x28:0xffffffff82272c80 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags = resume, IOPL = 0 > current process = 0 (swapper) > trap number = 9 > panic: general protection fault > cpuid = 0 > KDB: stack backtrace: > #0 0xffffffff80b3d587 at kdb_backtrace+0x67 > #1 0xffffffff80af6b27 at vpanic+0x177 > #2 0xffffffff80af69a3 at panic+0x43 > #3 0xffffffff80f77fdf at trap_fatal+0x35f > #4 0xffffffff80f7759e at trap+0x5e > #5 0xffffffff80f57fbc at calltrap+0x8 > #6 0xffffffff810ec5f3 at apic_setup_io+0x53 > #7 0xffffffff80a92898 at mi_startup+0x118 > #8 0xffffffff8031002c at btext+0x2c > Uptime: 1s > Automatic reboot in 15 seconds - press a key on the console to abort > --> Press a key on the console to reboot, > --> or switch off the system now. > > Goggling turned up a few theories about bad memory and incompatible > changes to video drivers, none of which seem likely to apply here. > > Cluebat, please, somebody? Try to issue the following commands at the loader prompt: set hw.x2apic_enable=0 boot
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