https://bugzilla.kernel.org/show_bug.cgi?id=202425
Bug ID: 202425
Summary: 3w-9xxx: 3ware 9650SE-2LP RAID controller not working
on AMD Ryzen system
Product: SCSI Drivers
Version: 2.5
Kernel Version: >= 3.11
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
Assignee: scsi_drivers-ot...@kernel-bugs.osdl.org
Reporter: robert.smit...@protonmail.com
Regression: No
Created attachment 280811
--> https://bugzilla.kernel.org/attachment.cgi?id=280811&action=edit
dmesg excerpt
The 3ware 9650SE-2LP controller used to work fine on all kernel versions with
my previous Intel Sandy Bridge (i7 2600k/P67) system. I replaced the mainboard
and CPU with a Ryzen 7 2700x on an Asus ROG Strix X470-F mainboard while
maintaining the same OS installation as before. Afterwards, the RAID controller
was no longer properly initialised and is inaccessible as a block device.
Instead, the driver produces error messages during the boot process (see below)
This does not appear to be a hardware issue, because I was able to get the
controller working with vanilla kernels of the 4.10 series (up to and including
4.10.17) as well as all of the versions of the 4.09-LTS kernel that I have
tested. It does not work with any 4.11 kernels or later, up to and including
4.20.4.
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