Bug 1527311
| Summary: | Microcode on AMD family 16h processors not updated early in the boot process [rhel-7.3.z] | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Oneata Mircea Teodor <toneata> |
| Component: | dracut | Assignee: | Lukáš Nykrýn <lnykryn> |
| Status: | CLOSED ERRATA | QA Contact: | Release Test Team <release-test-team-automation> |
| Severity: | urgent | Docs Contact: | Marie Hornickova <mdolezel> |
| Priority: | high | ||
| Version: | 7.3 | CC: | aarapov, bbreard, dhoward, dracut-maint-list, harald, jbastian, jcm, jonteh, jstodola, jsynacek, lnykryn, pmatouse, poros, ppandit, toneata |
| Target Milestone: | rc | Keywords: | ZStream |
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | dracut-033-360.el7_3.3 | Doc Type: | Bug Fix |
| Doc Text: |
Previously, the dracut tool incorrectly copied the AMD family 15h microcode into the Initial RAM File System (initramfs) on systems with AMD family 16h processors. Consequently, the microcode on such systems was not updated early enough in the boot process. This update fixes dracut to copy the correct AMD family 16h microcode into initramfs, and the microcode is now correctly updated in the early phase of the boot process.
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Story Points: | --- |
| Clone Of: | 1476039 | Environment: | |
| Last Closed: | 2018-01-04 23:33:19 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1476039 | ||
| Bug Blocks: | 1519780 | ||
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Description
Oneata Mircea Teodor
2017-12-19 07:46:44 UTC
Reproduced on RHEL-7.3 GA. Verified with dracut-033-463.el7_3.3 on systems with AMD CPU, families 21 and 22. In both cases the correct microcode was included in the early CPIO image: Family 21: # cat /proc/cpuinfo | grep "cpu family" | head -n1 cpu family : 21 # ls -l /usr/lib/firmware/amd-ucode/ total 40 -rw-r--r--. 1 root root 12684 Aug 30 2016 microcode_amd.bin -rw-r--r--. 1 root root 490 Aug 30 2016 microcode_amd.bin.asc -rw-r--r--. 1 root root 7876 Aug 30 2016 microcode_amd_fam15h.bin -rw-r--r--. 1 root root 473 Aug 30 2016 microcode_amd_fam15h.bin.asc -rw-r--r--. 1 root root 3510 Aug 30 2016 microcode_amd_fam16h.bin -rw-r--r--. 1 root root 473 Aug 30 2016 microcode_amd_fam16h.bin.asc # lsinitrd | grep AMD -rw-r--r-- 1 root root 7876 Jan 3 07:53 kernel/x86/microcode/AuthenticAMD.bin # Family 22: # cat /proc/cpuinfo | grep "cpu family" | head -n1 cpu family : 22 # ls -l /usr/lib/firmware/amd-ucode/ total 40 -rw-r--r--. 1 root root 12684 Aug 30 2016 microcode_amd.bin -rw-r--r--. 1 root root 490 Aug 30 2016 microcode_amd.bin.asc -rw-r--r--. 1 root root 7876 Aug 30 2016 microcode_amd_fam15h.bin -rw-r--r--. 1 root root 473 Aug 30 2016 microcode_amd_fam15h.bin.asc -rw-r--r--. 1 root root 3510 Aug 30 2016 microcode_amd_fam16h.bin -rw-r--r--. 1 root root 473 Aug 30 2016 microcode_amd_fam16h.bin.asc # lsinitrd | grep AMD -rw-r--r-- 1 root root 3510 Jan 3 07:53 kernel/x86/microcode/AuthenticAMD.bin # Moving to VERIFIED. *** Bug 1529309 has been marked as a duplicate of this bug. *** Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2018:0043 |