[Arm-dev] Kernel problems on APM X-Gene

Apologies for taking so long to return to this thread, it took way longer
than expected to get to the machine and get it up and running again.
I also just updated the build to the latest 4.9.60.

Here is a download link to both binaries and src.rpm (download the kernel
tarball from kernel.org manually to build from src.rpm):
http://ftp.redsleeve.org/pub/misc/kernel/aarch64/RPMS/
http://ftp.redsleeve.org/pub/misc/kernel/aarch64/SRPMS/

To recap - I am also running with Tianocore EFI chain-loaded from u-boot,
and mainling 4.9.x boots just fine on it.

No need for disabling ACPI on the kernel command line, no need to run EFI
firmware as a 1st stage boot loader, it just works.
Do feel free to try it - if that works for you but the distro supplied
4.5.x kernel doesn't, it seems reasonably conclusive that it is the CentOS
kernel that is broken for this board.

I'd also be interested in learning whether you have any luck getting PCIe
cards to work with it without problems - I haven't tried it since upgrading
to 4.9.x, but certainly on 4.4.x mainline the machine used to reliably lock
up as soon as the driver for the PCIe card loads.

Gordan


On Fri, Sep 22, 2017 at 12:06 PM, Jeremiah Rothschild <jeremiah at franz.com>
wrote:

> On Fri, Sep 22, 2017 at 11:59:00AM +0100, Gordan Bobic wrote:
> > On Fri, Sep 22, 2017 at 11:54 AM, Jeremiah Rothschild <
> jeremiah at franz.com>
> > wrote:
> >
> > > On Fri, Sep 22, 2017 at 11:39:19AM +0100, Gordan Bobic wrote:
> > > > If you are interested, I'm more than happy to share my src.rpm for
> 4.9.x,
> > > > but won't be able to get to it before tomorrow morning as the
> machine was
> > > > recently mothballed.
> > >
> > > Thanks. I actually need to test with as new of a version as I can
> because I
> > > have been experiencing an occasional "page allocation failure" kernel
> > > panic.
> > > No idea if/when that was fixed but I figure the newest version is my
> best
> > > hope.
> > >
> >
> > I've been on my own 4.9.x more or less since I got the machine, it was in
> > 24/7 use, and I never experienced that issue. So it may be worth a
> > cross-check with the kernel that I'm running to see whether the fault
> > follows your machine or whether it is kernel dependent.
>
> You're right. It would be a good extra data point. Feel free to mail me
> directly once you're sorted and I'll gladly check out your 4.9 build.
> Thanks
> again!
>
>
>
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