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SubjectRe: PROBLEM: 4.15.0-rc3 APIC causes lockups on Core 2 Duo laptop
On Thu, 28 Dec 2017, Alexandru Chirvasitu wrote:
> On Fri, Dec 29, 2017 at 12:36:37AM +0100, Thomas Gleixner wrote:
> > On Thu, 28 Dec 2017, Alexandru Chirvasitu wrote:
> >
> > > Attached, but heads up on this: when redirecting the output of lspci
> > > -vvv to a text file as root I get
> > >
> > > pcilib: sysfs_read_vpd: read failed: Input/output error
> > >
> > > I can find bugs filed for various distros to this same effect, but
> > > haven't tracked down any explanations.
> >
> > Weird, but the info looks complete.
> >
> > Can you please add 'pci=nomsi' to the 4.15 kernel command line and see
> > whether that works?
>
> It does (emailing from that successful boot as we speak). I'm on a
> clean 4.15-rc5 (as in no patches, etc.).
>
> This was also suggested way at the top of this thread by Dexuan Cui
> for 4.15-rc3 (where this exchange started), and it worked back then
> too.

I missed that part of the conversation. Let me stare into the MSI code
again.

Thanks,

tglx

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