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https://www.linuxquestions.org/questions/debian-26/fatal-module-cpuid-not-found-4175474699/
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https://www.linuxquestions.org/questions/debian-26/fatal-module-cpuid-not-found-4175474699-print/
For out of kernel modules you have to wait for someone who might know of a way to do it, but, I think you have to rebuild kernel. All times are GMT -5. The time now is 12:41 AM .
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=886367
Jan 04, 2018 · Intel has released several updates already, but not all of them AFAIK. These microcode updates are of little impact until the kernel changes to activate the new MSRs are deployed.
https://github.com/speed47/spectre-meltdown-checker/issues/21
Jan 09, 2018 · As of today, very few distros kernels have the IBRS patches, because they're not even in vanilla. However, if Kernel support for IBRS says "YES", which is the case of @tiago-cruz-movile, I would expect to have a /sys file to enable/disable it at runtime. At least from the official LKML patches and some others that distros have backported.
https://wiki.gentoo.org/wiki/Intel_microcode
Note Be aware that injecting the microcode update directly into the motherboard firmware (which might sounds tempting) might result in CPU0 being updated but the rest of the CPUs (or CPU cores in a multi-core system) being left at their initial revision (which might cause more problems than running them all at the same initial version).
http://www.inertiawar.com/microcode/
supplied in the microcode header. According to Intel, "each microcode update is designed specifically for a given extended family, extended model, type, family, model, and stepping of the processor.". The processor flags field is similar, Intel says: "the BIOS uses the processor flags field in conjunction with the platform Id bits in MSR (17H) to
https://forums.intel.com/s/question/0D70P0000068MCmSAM/microcode-processor-update-what-processors-are-supported-and-what-version-is-inside-update?language=en_US
Intel provides Processor microcode update. Is it possible to find out what CPUs are supported and what microcode version is inside update? ... Intel does provide a list of what products are valid for Microcode updates we publish on our support site https: ... mseszeny I guess you are using linux kernel older then 3.2. microcode field was added ...
https://forums.intel.com/s/question/0D50P00004WTr4b/cant-access-ram-from-pcie-when-using-xeon?language=en_US
I use Intel Xeon with centos8 , kernel 4.18. There is also an FPGA connected to CPU through PCIe. The FPGA try to access RAM (through DMA) using physical address in RAM, but it fails in access. using older PC (Intel DUO), with same OS, FPGA, etc - accessing RAM from FPGA is successful.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=887856
Jan 20, 2018 · severity 887856 grave block 887856 by 886998 thanks On Sat, 20 Jan 2018, Julien Aubin wrote: > As of now intel-microcode of stretch is still set to 20170707 (20171117 > through > bpo) which lets users vulnerable to Spectre attack CVE-2017-5715.Could you > please bring quickly the microcode update to stretch, at least on bpo ?
https://wiki.gentoo.org/wiki/Project:Security/Vulnerabilities/Meltdown_and_Spectre
Reducted patchset KPTI only for intel x86 architecture but missing dumpstack and Define cpu_tss_rw in same section as declaration 4.14.11-r2: Complete KPTI patchset 4.14.12: Complete KPTI patchset + amd support for fam17h microcode loading 4.9.75: Complete KPTI patchset + amd support for fam17h microcode loading 4.4.110
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