https://bugzilla.kernel.org/show_bug.cgi?id=209867 Frantisek Sumsal (frantisek@xxxxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- Kernel Version|5.9.9-arch1-1 |5.9.10-arch1-1 --- Comment #5 from Frantisek Sumsal (frantisek@xxxxxxxxx) --- I noticed there's a MSR access error when trying to online secondary CPUs, which may be relevant: [ 3.969876] Last level dTLB entries: 4KB 512, 2MB 255, 4MB 127, 1GB 0 [ 3.973256] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 3.976544] Spectre V2 : Mitigation: Full AMD retpoline [ 3.979874] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 3.983210] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 3.986544] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 3.990704] Freeing SMP alternatives memory: 32K [ 3.997866] smpboot: CPU0: AMD Opteron 63xx class CPU (family: 0x15, model: 0x2, stepping: 0x0) [ 4.001938] Performance Events: Fam15h core perfctr, AMD PMU driver. [ 4.003261] ... version: 0 [ 4.006576] ... bit width: 48 [ 4.009900] ... generic registers: 6 [ 4.013234] ... value mask: 0000ffffffffffff [ 4.016567] ... max period: 00007fffffffffff [ 4.019900] ... fixed-purpose events: 0 [ 4.023233] ... event mask: 000000000000003f [ 4.026887] rcu: Hierarchical SRCU implementation. [ 4.030952] smp: Bringing up secondary CPUs ... [ 4.034030] x86: Booting SMP configuration: [ 4.036581] .... node #0, CPUs: #1 [ 1.328014] kvm-clock: cpu 1, msr 8801041, secondary cpu clock [ 1.328014] smpboot: CPU 1 Converting physical 0 to logical die 1 [ 1.328014] unchecked MSR access error: WRMSR to 0x48 (tried to write 0x0000000000000000) at rIP: 0xffffffff9da6c984 (native_write_msr+0x4/0x20) [ 1.328014] Call Trace: [ 1.328014] x86_spec_ctrl_setup_ap+0x34/0x50 [ 1.328014] identify_secondary_cpu+0x6c/0x80 [ 1.328014] smp_store_cpu_info+0x45/0x50 [ 1.328014] start_secondary+0x58/0x160 [ 1.328014] secondary_startup_64+0xb6/0xc0 [ 6.088346] kvm-guest: stealtime: cpu 1, msr 1e66e080 [ 6.094247] #2 [ 1.328014] kvm-clock: cpu 2, msr 8801081, secondary cpu clock [ 1.328014] smpboot: CPU 2 Converting physical 0 to logical die 2 [ 6.123987] kvm-guest: stealtime: cpu 2, msr 1e6ae080 -- You are receiving this mail because: You are watching the assignee of the bug.
