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Sender: Guenter Roeck <groeck7@gmail.com>
Date:   Fri, 22 Apr 2022 16:41:50 -0700
From:   Guenter Roeck <linux@roeck-us.net>
To:     Arnd Bergmann <arnd@kernel.org>
Cc:     Robert Jarzmik <robert.jarzmik@free.fr>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Arnd Bergmann <arnd@arndb.de>, Daniel Mack <daniel@zonque.org>,
        Haojian Zhuang <haojian.zhuang@gmail.com>,
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Subject: Re: [PATCH v2 00/48] ARM: PXA multiplatform support
Message-ID: <20220422234150.GA3442771@roeck-us.net>
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On Sat, Apr 23, 2022 at 12:04:31AM +0200, Arnd Bergmann wrote:
> On Fri, Apr 22, 2022 at 10:55 PM Guenter Roeck <linux@roeck-us.net> wrote:
> > On 4/22/22 12:16, Arnd Bergmann wrote:
> > > On Fri, Apr 22, 2022 at 7:05 PM Guenter Roeck <linux@roeck-us.net> wrote:
> > >
> > > Which machine did you hit this on? Is this on hardware or in qemu?
> > >
> > qemu, as always. borzoi, spitz, terrier, tosa, z2, and sx1 fail.
> > Also, I just noticed that the failure is not always the same.
> > z2 fails to boot from initrd, and sx1 fails to boot completely.
> 
> That's a lot of machines failing, I hope at least we got the same bugs more
> than once here.
> 
> For the I/O space, I found now that PXA was not using the standard
> virtual I/O address yet, but instead used a NULL-based offset.
> 
> I'm not entirely happy with this patch, but this is an outline of what
> I think we need to fix that: https://pastebin.com/3nVgQsEw
> This one is probably incomplete, at least it breaks sa1100 for now,
> and it adds a bogus CONFIG_PCI dependency. I'm also not sure
> in what way the last patch in the series triggers it, rather than the
> one that removed mach/io.h.
> 
> I had sx1 booting in qemu at least, with the omap1 multiplatform series only.
> If you have a custom config for this one, make sure you get the right
> DEBUG_LL address.
> 
> > I'll do another round of bisects.
> 

Here is the bisect for the sx1 boot failure.

Guenter

---
# bad: [e7d6987e09a328d4a949701db40ef63fbb970670] Add linux-next specific files for 20220422
# good: [b2d229d4ddb17db541098b83524d901257e93845] Linux 5.18-rc3
git bisect start 'HEAD' 'v5.18-rc3'
# bad: [479506a21bd2df998017a00f4fe0ea893039d9d0] Merge branch 'drm-next' of git://git.freedesktop.org/git/drm/drm.git
git bisect bad 479506a21bd2df998017a00f4fe0ea893039d9d0
# bad: [84fdc506ff63f3f8eb7feaac87821c39bf1dbdfd] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git
git bisect bad 84fdc506ff63f3f8eb7feaac87821c39bf1dbdfd
# bad: [0318e72d28be01b99056a7e66572423682eae2bb] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git
git bisect bad 0318e72d28be01b99056a7e66572423682eae2bb
# good: [813d98e2e26d3f418d925263a82d72d1454b326e] Merge branch 'zstd-linus' of https://github.com/terrelln/linux.git
git bisect good 813d98e2e26d3f418d925263a82d72d1454b326e
# bad: [5e87f91cfe6e938eccb88a992687e2ac52eec2a7] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git
git bisect bad 5e87f91cfe6e938eccb88a992687e2ac52eec2a7
# bad: [ac4b03d5ad6b887558eb94943f0f2834661dee45] Merge branch 'pxa-multiplatform-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc into arm/multiplatform-late
git bisect bad ac4b03d5ad6b887558eb94943f0f2834661dee45
# good: [6eab9bfd712f63c0977f2d38a45f321816030707] Merge branch 'omap1/multiplatform-prep' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc into arm/multiplatform
git bisect good 6eab9bfd712f63c0977f2d38a45f321816030707
# good: [ac571609a9fab9b94bbd8e634ba20e2ab672e32d] input: touchscreen: mainstone: sync with zylonite driver
git bisect good ac571609a9fab9b94bbd8e634ba20e2ab672e32d
# good: [77b9aeb6e3cd4de6b320d3a9be5d692594159f9e] ARM: pxa: remove unused mach/bitfield.h
git bisect good 77b9aeb6e3cd4de6b320d3a9be5d692594159f9e
# good: [7643a9ca9f8e08f71e15f89dd74863635e981e03] ARM: pxa: convert to multiplatform
git bisect good 7643a9ca9f8e08f71e15f89dd74863635e981e03
# good: [bdfb692acfa98c3e8135ab44bc8366636443590a] [MERGED] ASoC: ti: osk5912: Make it CCF clk API compatible
git bisect good bdfb692acfa98c3e8135ab44bc8366636443590a
# bad: [b59e8a5fd321fe44bdabd38908b4f899f933cf0f] [TO BE REBASED] ARM: omap1: enable multiplatform
git bisect bad b59e8a5fd321fe44bdabd38908b4f899f933cf0f
# good: [4c4467ac74299b14b8cf74406722af8090aa7766] [TO BE REBASED] ARM: OMAP1: clock: Convert to CCF
git bisect good 4c4467ac74299b14b8cf74406722af8090aa7766
# first bad commit: [b59e8a5fd321fe44bdabd38908b4f899f933cf0f] [TO BE REBASED] ARM: omap1: enable multiplatform