This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1998224 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1998224 Title: pcie hotplug not working in linux-generic-hwe-18.04 5.4.0.107.121~18 Status in linux package in Ubuntu: Incomplete Bug description: situation: ubuntu 18.04 server install on a supermicro x64 host. hot plug NVME ssd into NVME U.2 HotSwap Slot. problem: hot plug does not work/ nvme is not recognised. how to test: echo 1 > /sys/bus/pci/rescan dmesg output: [Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.1: bridge window [io 0x1000-0x0fff] to [bus 41] add_size 1000 [Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.2: bridge window [io 0x1000-0x0fff] to [bus 42] add_size 1000 [Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.1: BAR 13: no space for [io size 0x1000] [Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.1: BAR 13: failed to assign [io size 0x1000] [Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.2: BAR 13: no space for [io size 0x1000] [Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.2: BAR 13: failed to assign [io size 0x1000] [Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.2: BAR 13: no space for [io size 0x1000] [Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.2: BAR 13: failed to assign [io size 0x1000] [Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.1: BAR 13: no space for [io size 0x1000] [Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.1: BAR 13: failed to assign [io size 0x1000] Kernel Version: 5.4.0-107-generic #121~18.04.1-Ubuntu SMP Thu Mar 24 17:21:33 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux hardware information: tried with micron and intel NVME, e.g: INTEL SSDPE2KE016T8 after a reboot, the NVME is recognized, so there is no hardware problem. if you need additional debug information, feel free to ask. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1998224/+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