https://bugzilla.kernel.org/show_bug.cgi?id=214967 --- Comment #12 from Matthew Perkowski (mgperkow@xxxxxxxxx) --- (In reply to Damien Le Moal from comment #11) > (In reply to Matthew Perkowski from comment #8) > > (In reply to Damien Le Moal from comment #6) > > > (In reply to Bart Van Assche from comment #5) > > > > On 11/15/21 2:34 PM, bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > > > > > https://bugzilla.kernel.org/show_bug.cgi?id=214967 > > > > > > > > > > --- Comment #4 from Matthew Perkowski (mgperkow@xxxxxxxxx) --- > > > > > Bisection has identified commit > > 2360fa1812cd77e1de13d3cca789fbd23462b651 > > > as > > > > > the > > > > > origin of the issue. > > > > > > Hmm... It seems very strange that this patch creates the problem. Even > with > > > a bug, the worst that could happen is failing to detect NCQ priority > > support. > > > > > > The problem is likely related to the errors "ata14.00: Read log page 0x08 > > > failed, Emask 0x1" which come from the kernel trying to access a non > > > existent log page (IDENTIFY DEVICE data log), which is tried when probing > > > for NCQ priority support. > > > > > > libata ignores this error, not enabling the feature that was being > probed. > > > The mvsas driver may not. > > > > > > I posted a patch yesterday to prevent such access to log pages not > > supported > > > by the device. See: > > > > > > https://lore.kernel.org/linux-ide/20211115060559.232835-1-damien. > > > lemoal@xxxxxxxxxxxxxxxxxx/ > > > > > > Can you try these ? > > > > > > > > > > > > > > This commit: 2360fa1812cd ("libata: cleanup NCQ priority handling")? > > > > > > > > Damien, can you take a look? > > > > I will try rebuilding with the patches at my first opportunity and report > > back. > > That would be great. Thanks. Looks like your hunch may have been right on. I applied your patches to a fresh copy of the 5.15.2 source (which was not working properly with my RR 2744 card via the mvsas driver in vanilla form), and the issue did not arise when I booted into it. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
