linux-kernel - Re: [PATCH v2 00/48] ARM: PXA multiplatform support

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Message-ID: <CAK8P3a05vFdBnXXAMPVS82xX29+uinvWPcWxAgvj0TfoOk+1kg@mail.gmail.com>
Date:   Sat, 30 Apr 2022 10:04:47 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Philipp Zabel <philipp.zabel@...il.com>,
        Lubomir Rintel <lkundrak@...sk>,
        Paul Parsons <lost.distance@...oo.com>,
        Sergey Lapin <slapin@...fans.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Michael Turquette <mturquette@...libre.com>,
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        "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
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Subject: Re: [PATCH v2 00/48] ARM: PXA multiplatform support

On Sat, Apr 30, 2022 at 1:09 AM Guenter Roeck <linux@...ck-us.net> wrote:
> On 4/29/22 14:46, Arnd Bergmann wrote:
> > On Fri, Apr 29, 2022 at 10:23 PM Guenter Roeck <linux@...ck-us.net> wrote:
> >> On 4/29/22 10:48, Guenter Roeck wrote:
> >>>
> >>> I tried the pxa-multiplatform-5.18 branch. Its failures match
> >>> those in v5.18-rc1.
> >>>
> >>
> >> Uuh, wait, the build wasn't complete. There are still some
> >> failures. I'll report later.
> >
> > Sorry about the breakage, I got a few more reports about minor build errors
> > and warnings, the newly uploaded branches should address all of the ones
> > I got reports for.
> >
>
> Unless I am missing something the failures are the same as before. See
> https://kerneltests.org/builders/qemu-arm-testing/builds/74/steps/qemubuildcommand/logs/stdio
>
> This is with v5.18-rc1-49-ge8ab9a9a2745 which is the tip of
> soc/pxa-multiplatform-5.18.
>
> Should I check a different branch ?

I only addressed the pcmcia probe failure that you reported for the
final pxa patch, which
previously caused a NULL pointer reference here:

[    1.405319] PC is at pcmcia_init_one+0xf8/0x27c
[    1.405476] LR is at devres_add+0x40/0x6c
[    1.405611] pc : [<c04bdea0>]    lr : [<c044d808>]    psr: a0000113
[    1.405846] sp : c48a5d00  ip : c15f4220  fp : 60000113
[    1.406026] r10: 00000000  r9 : c48b000e  r8 : c48b0000
[    1.406195] r7 : feeb0000  r6 : feeb000e  r5 : c15ec090  r4 : c15ec020
[    1.406395] r3 : 00000002  r2 : 00000000  r1 : c15f4200  r0 : feeb000e

This now seems to work:

[    1.435846] pcmcia_socket pcmcia_socket1: pccard: PCMCIA card
inserted into slot 1
[    1.456350] pcmcia_socket pcmcia_socket0: pccard: PCMCIA card
inserted into slot 0
[    1.457489] pcmcia 0.0: pcmcia: registering new device pcmcia0.0 (IRQ: 217)
[    1.460275] pata_pcmcia: probe of 0.0 failed with error -12

So it sounds like there are additional bugs that I have to look at. I
probably won't
be able to do that in time for the merge window. The logs contain a number of
warnings, but I have no idea which ones of those are preexisting issue. I had
a look at

[    0.689982] pxa-dma pxa-dma.0: error -ENXIO: IRQ index 1 not found

and concluded that it must have done this for a long time. In my own qemu
instance, I see a crash from iWMMXt, but that works fine on your machine.
OTOH, your failed instances all look like they either time out or
failed to find a
rootfs. I tried passing an MMC device as root, and that works here.

         Arnd