Open jmaspons opened 1 year ago
Boot process get stuck at booting SMP configuration. Can be solved by downgrading intel-microcode to version 3.20210608.2ubuntu1 or passing the kernel parameter dis_ucode_ldr
dis_ucode_ldr
LP bug: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/2002626
$ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 46 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 80 On-line CPU(s) list: 0-79 Vendor ID: GenuineIntel Model name: Intel(R) Xeon(R) Gold 6230 CPU @ 2.10GHz CPU family: 6 Model: 85 Thread(s) per core: 2 Core(s) per socket: 20 Socket(s): 2 Stepping: 7 CPU max MHz: 3900,0000 CPU min MHz: 800,0000 BogoMIPS: 4200.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse3 6 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb r dtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopolog y nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2ap ic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm a bm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single ssbd mba ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid e pt_ad fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid cqm mpx rdt _a avx512f avx512dq rdseed adx smap clflushopt clwb intel_pt avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts pku ospke avx512_ vnni md_clear flush_l1d arch_capabilities Virtualization features: Virtualization: VT-x Caches (sum of all): L1d: 1,3 MiB (40 instances) L1i: 1,3 MiB (40 instances) L2: 40 MiB (40 instances) L3: 55 MiB (2 instances) NUMA: NUMA node(s): 2 NUMA node0 CPU(s): 0-19,40-59 NUMA node1 CPU(s): 20-39,60-79 Vulnerabilities: Itlb multihit: KVM: Mitigation: VMX disabled L1tf: Not affected Mds: Not affected Meltdown: Not affected Mmio stale data: Vulnerable: Clear CPU buffers attempted, no microcode; SMT vulnerable Retbleed: Mitigation; Enhanced IBRS Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Spectre v2: Mitigation; Enhanced IBRS, IBPB conditional, RSB filling, PBRSB-eIBRS SW sequence Srbds: Not affected Tsx async abort: Mitigation; TSX disabled
Boot process get stuck at booting SMP configuration. Can be solved by downgrading intel-microcode to version 3.20210608.2ubuntu1 or passing the kernel parameter
dis_ucode_ldr
LP bug: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/2002626