Bug ID 1178971
Summary intel-ucode update crashes system on boot
Classification openSUSE
Product openSUSE Tumbleweed
Version Current
Hardware Other
OS Other
Status NEW
Severity Critical
Priority P5 - None
Component Kernel
Assignee kernel-bugs@opensuse.org
Reporter lmb@suse.com
QA Contact qa-bugs@suse.de
Found By ---
Blocker ---

When upgrading from ucode-intel-20200616-1.2.x86_64 to 20201110-1.1, my laptop
crashes with a amusingly garbled screen right after selecting the kernel entry
from grub.

This is a Dell XPS 13 laptop with:

01: None 00.0: 10103 CPU
  [Created at cpu.462]
  Unique ID: rdCR.j8NaKXDZtZ6
  Hardware Class: cpu
  Arch: X86-64
  Vendor: "GenuineIntel"
  Model: 6.140.1 "11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz"
  Features:
fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,sep,mtrr,pge,mca,cmov,pat,pse36,clflush,dts,acpi,mmx,fxsr,sse,sse2,ss,ht,tm,pbe,syscall,nx,pdpe1gb,rdtscp,lm,constant_tsc,art,arch_perfmon,pebs,bts,rep_good,nopl,xtopology,nonstop_tsc,cpuid,aperfmperf,tsc_known_freq,pni,pclmulqdq,dtes64,monitor,ds_cpl,vmx,est,tm2,ssse3,sdbg,fma,cx16,xtpr,pdcm,pcid,sse4_1,sse4_2,x2apic,movbe,popcnt,tsc_deadline_timer,aes,xsave,avx,f16c,rdrand,lahf_lm,abm,3dnowprefetch,cpuid_fault,epb,cat_l2,invpcid_single,cdp_l2,ssbd,ibrs,ibpb,stibp,ibrs_enhanced,tpr_shadow,vnmi,flexpriority,ept,vpid,ept_ad,fsgsbase,tsc_adjust,bmi1,avx2,smep,bmi2,erms,invpcid,rdt_a,avx512f,avx512dq,rdseed,adx,smap,avx512ifma,clflushopt,clwb,intel_pt,avx512cd,sha_ni,avx512bw,avx512vl,xsaveopt,xsavec,xgetbv1,xsaves,split_lock_detect,dtherm,ida,arat,pln,pts,hwp,hwp_notify,hwp_act_window,hwp_epp,hwp_pkg_req,avx512vbmi,umip,pku,ospke,avx512_vbmi2,gfni,vaes,vpclmulqdq,avx512_vnni,avx512_bitalg,avx512_vpopcntdq,rdpid,movdiri,movdir64b,fsrm,avx512_vp2in
 tersect,md_clear,flush_l1
  Clock: 2272 MHz
  BogoMips: 5606.40
  Cache: 12288 kb
  Units/Processor: 16
  Config Status: cfg=no, avail=yes, need=no, active=unknown

And an otherwise uptodate BIOS firmware (according to fwupd).

Rolling back the package update makes the system bootable again.


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