Public bug reported: I was training a neural network on CPU using Tensorflow + Keras in Python. The crash happened twice in the same day after installing an update to Ubuntu.
1) Ubuntu 20.04.4 LTS 2) intel-microcode: Installed: 3.20210608.0ubuntu0.20.04.1 Candidate: 3.20210608.0ubuntu0.20.04.1 Version table: *** 3.20210608.0ubuntu0.20.04.1 500 500 http://us.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages 100 /var/lib/dpkg/status 3.20191115.1ubuntu3 500 500 http://us.archive.ubuntu.com/ubuntu focal/main amd64 Packages 3) Not crash. 4) Crash. Excerpt from /var/log/kern.log: BERT: Error records from previous boot: [Hardware Error]: event severity: fatal [Hardware Error]: Error 0, type: fatal [Hardware Error]: section_type: Firmware Error Record Reference [Hardware Error]: Firmware Error Record Type: SOC Firmware Error Record Type2 [Hardware Error]: Revision: 2 [Hardware Error]: Record Identifier: 8f87f311-c998-4d9e-a0c4-6065518c4f6d [Hardware Error]: 00000000: 0100c303 00000280 04726ce2 0000002f .........lr./... [Hardware Error]: 00000010: 000a0000 00000010 80001fff 0001f668 ............h... [Hardware Error]: 00000020: 0001f664 000231c6 deadbeef deafbeef d....1.......... ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: intel-microcode 3.20210608.0ubuntu0.20.04.1 ProcVersionSignature: Ubuntu 5.13.0-30.33~20.04.1-generic 5.13.19 Uname: Linux 5.13.0-30-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Wed Feb 23 09:32:56 2022 InstallationDate: Installed on 2021-11-23 (91 days ago) InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819) SourcePackage: intel-microcode UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: intel-microcode (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1962012 Title: BERT: Error records from previous boot: Firmware Error Record Type: SOC Firmware Error Record Type2, Revision: 2, Record Identifier: 8f87f311-c998-4d9e-a0c4-6065518c4f6d while training neural network on CPU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1962012/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs