Re: Regression with commit PCI: mvebu: Convert to PCI emulated bridge config space

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Hi Thomas,

Have you been able to find the issue from the logs?

Best regards,
Luís Mendes

On Wed, Jan 9, 2019 at 2:38 PM Luís Mendes <luis.p.mendes@xxxxxxxxx> wrote:
>
> Hello Thomas,
>
> Replies in between.
>
> Best regards,
> Luís
>
>
> On Wed, Jan 9, 2019 at 8:15 AM Thomas Petazzoni
> <thomas.petazzoni@xxxxxxxxxxx> wrote:
> >
> > Hello Luis,
> >
> > On Tue, 8 Jan 2019 23:22:05 +0000, Luís Mendes wrote:
> >
> > > > Sorry for the long delay, the Christmas/New Year vacation and some
> > > > personal issues got in the way.
> > > No problem, life has its priorities! and by the way: Happy new year!
> >
> > Thanks, you too!
>
> Thanks!
>
> >
> >
> > > > You will most likely have to increase CONFIG_LOG_BUF_SHIFT to avoid
> > > > having dropped messages, as my additional debug messages are quite
> > > > verbose. I'm using CONFIG_LOG_BUF_SHIFT=16.
> > > The logs from the new kernel are not starting at 0.0 sec, as
> > > CONFIG_LOG_BUF_SHIFT=16 wasn't large enough, but for the reverted
> > > patch case I changed to CONFIG_LOG_BUF_SHIFT=17.
> > > If you find relevant information can be missing tell me and I will
> > > recompile the kernel with the patch
> > > 1f08673eef1236f7d02d93fcf596bb8531ef0d12 applied and
> > > CONFIG_LOG_BUF_SHIFT=17. I believe it won't be needed though, since
> > > the pci logs are practically complete.
> >
> > Sadly, the kern_4.20_debug.log file is incomplete. I would like to at
> > least see it starting from:
> >
> > Jan  8 22:57:51 picolo kernel: [    6.792819] mvebu-pcie soc:pcie: MEM: [mem 0xd0000000-0xefffffff], IO: [io  0xffe00000-0xffefffff]
> >
> > (this line from the reverted log, but I'd like to see it in the non-reverted log as well)
>
> In attachment follows the requested complete log using CONFIG_LOG_BUF_SHIFT=17.
>
> >
> > Thanks!
> >
> > Thomas
> > --
> > Thomas Petazzoni, CTO, Bootlin
> > Embedded Linux and Kernel engineering
> > https://bootlin.com




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