Issue on 201702-25401 is different. Quite likely caused by faulty CPU fan and faulty memory.
** Description changed: - During the jammy-hwe migration test, I found some machines failed to run - the pm-graph. - test(https://github.com/canonical/checkbox/blob/main/providers/base/units/stress/jobs.pxu#L604) + == SRU Justification == + [Impact] + When iwlwifi firmware causes the WiFi NIC dropped off PCI bus on system + resume, NULL pointer dereference occurs and the system stops working. + + [Fix] + Rescan the bus in order to reprobe the device to avoid mac80211 layer + gets messed up. + + [Test] + With the fix in place, system keeps working after firmware issue occurs. + Verified with thousand times of suspend. + + [Where problems could occur] + If the firmware/hardware is really dead and beyond recoverable, the same + process can be triggered again and again. + + == Original bug report == + During the jammy-hwe migration test, I found some machines failed to run the pm-graph. test(https://github.com/canonical/checkbox/blob/main/providers/base/units/stress/jobs.pxu#L604) One of machine when I rerun it locally, it passed, but others are still failed. Following are the machines failed to run pm-graph. https://certification.canonical.com/hardware/202005-27899/ https://certification.canonical.com/hardware/201702-25401/ https://certification.canonical.com/hardware/202002-27718/ https://certification.canonical.com/hardware/201711-25989/ ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-6.5.0-14-generic 6.5.0-14.14~22.04.1 ProcVersionSignature: Ubuntu 6.5.0-14.14~22.04.1-generic 6.5.3 Uname: Linux 6.5.0-14-generic x86_64 ApportVersion: 2.20.11-0ubuntu82.5 Architecture: amd64 CasperMD5CheckResult: pass CloudArchitecture: x86_64 CloudID: maas CloudName: maas CloudPlatform: maas CloudSubPlatform: seed-dir (http://10.102.156.25:5248/MAAS/metadata/) Date: Tue Dec 12 02:48:24 2023 InstallationDate: Installed on 2023-02-22 (293 days ago) InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230217.1) ProcEnviron: - TERM=xterm-256color - PATH=(custom, no user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + TERM=xterm-256color + PATH=(custom, no user) + LANG=en_US.UTF-8 + SHELL=/bin/bash SourcePackage: linux-signed-hwe-6.5 UpgradeStatus: No upgrade log present (probably fresh install) ** Changed in: linux-signed-hwe-6.5 (Ubuntu) Assignee: Kai-Heng Feng (kaihengfeng) => (unassigned) ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux-signed-hwe-6.5 (Ubuntu Jammy) Status: New => Confirmed ** Changed in: linux (Ubuntu Jammy) Status: New => Confirmed ** Changed in: linux (Ubuntu Jammy) Importance: Undecided => Medium ** Also affects: linux (Ubuntu Mantic) Importance: Undecided Status: New ** Also affects: linux-hwe-6.5 (Ubuntu Mantic) Importance: Undecided Status: New ** Also affects: linux-signed-hwe-6.5 (Ubuntu Mantic) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux-hwe-6.5 (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux-signed-hwe-6.5 (Ubuntu Noble) Importance: Medium Status: In Progress ** Changed in: linux (Ubuntu Mantic) Importance: Undecided => Medium ** Changed in: linux (Ubuntu Mantic) Status: New => Confirmed ** Changed in: linux (Ubuntu Noble) Importance: Undecided => Medium ** Changed in: linux (Ubuntu Noble) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-6.5 in Ubuntu. https://bugs.launchpad.net/bugs/2046217 Title: Some machines can't pass the pm-graph test Status in linux package in Ubuntu: Confirmed Status in linux-hwe-6.5 package in Ubuntu: New Status in linux-signed-hwe-6.5 package in Ubuntu: In Progress Status in linux source package in Jammy: Confirmed Status in linux-hwe-6.5 source package in Jammy: New Status in linux-signed-hwe-6.5 source package in Jammy: Confirmed Status in linux source package in Mantic: Confirmed Status in linux-hwe-6.5 source package in Mantic: New Status in linux-signed-hwe-6.5 source package in Mantic: New Status in linux source package in Noble: Confirmed Status in linux-hwe-6.5 source package in Noble: New Status in linux-signed-hwe-6.5 source package in Noble: In Progress Bug description: == SRU Justification == [Impact] When iwlwifi firmware causes the WiFi NIC dropped off PCI bus on system resume, NULL pointer dereference occurs and the system stops working. [Fix] Rescan the bus in order to reprobe the device to avoid mac80211 layer gets messed up. [Test] With the fix in place, system keeps working after firmware issue occurs. Verified with thousand times of suspend. [Where problems could occur] If the firmware/hardware is really dead and beyond recoverable, the same process can be triggered again and again. == Original bug report == During the jammy-hwe migration test, I found some machines failed to run the pm-graph. test(https://github.com/canonical/checkbox/blob/main/providers/base/units/stress/jobs.pxu#L604) One of machine when I rerun it locally, it passed, but others are still failed. Following are the machines failed to run pm-graph. https://certification.canonical.com/hardware/202005-27899/ https://certification.canonical.com/hardware/201702-25401/ https://certification.canonical.com/hardware/202002-27718/ https://certification.canonical.com/hardware/201711-25989/ ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-6.5.0-14-generic 6.5.0-14.14~22.04.1 ProcVersionSignature: Ubuntu 6.5.0-14.14~22.04.1-generic 6.5.3 Uname: Linux 6.5.0-14-generic x86_64 ApportVersion: 2.20.11-0ubuntu82.5 Architecture: amd64 CasperMD5CheckResult: pass CloudArchitecture: x86_64 CloudID: maas CloudName: maas CloudPlatform: maas CloudSubPlatform: seed-dir (http://10.102.156.25:5248/MAAS/metadata/) Date: Tue Dec 12 02:48:24 2023 InstallationDate: Installed on 2023-02-22 (293 days ago) InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230217.1) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-hwe-6.5 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2046217/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
