http://bugzilla.opensuse.org/show_bug.cgi?id=1187329 Bug ID: 1187329 Summary: Kernel Panic loading initial ramdisk with kernel version 5.3.18-57.3 and pm80xx module Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.3 Hardware: x86-64 OS: openSUSE Leap 15.3 Status: NEW Severity: Major Priority: P5 - None Component: Kernel Assignee: kernel-bugs@opensuse.org Reporter: dave@redmoor.org.uk QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Build Identifier: After upgrading to Leap 15.3, the system fails to boot with a a kernel panic while processing the initial ramdisk. The error message reports that a fatal exception occurred while processing an interrupt in the pm80xx module. The system will boot if the option pci=nomsi is added to the command line but there is an error reported in the boot log saying that the interrupts could not be intialised and the disks on the PM8001 SAS controller are inaccessible. The following kernel command options have no effect acpi=off, pci=noacpi, acpi=noirq With module_blacklist=pm80xx, the system boot successfully to a rescue prompt as systemd times out waiting for the disks on the controller to become available The system boots successfully with kernel version 5.3.18-lp152.75 Output from an lspci -s 01:00.0 -vv command is included in additional information The motherboard is an ASUS P8H61-M-LE-USB3 The BIOS is updated to the latest version available. Reproducible: Always Steps to Reproduce: 1. boot with default menu option 2. 3. Actual Results: kernel panic when processing initial RAM disk Expected Results: boot to command line 01:00.0 Serial Attached SCSI controller: Adaptec PMC-Sierra PM8001 SAS HBA [Series 6H] (rev 05) Subsystem: Adaptec Device 0800 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-