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

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Message-ID: <CAK8P3a3S5OjkKq_u5FpnwzYv+0+typya6Z4MzTez5ZH+do00xQ@mail.gmail.com>
Date:   Sat, 30 Apr 2022 15:32:08 +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>,
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        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>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
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Subject: Re: [PATCH v2 00/48] ARM: PXA multiplatform support

On Sat, Apr 30, 2022 at 2:41 PM Guenter Roeck <linux@...ck-us.net> wrote:
> On 4/30/22 01:04, Arnd Bergmann wrote:
> > 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.
> >
>
> Booting from mmc works for me as well. Booting from pcmcia worked before,
> so I assume that there must be some regression.

Ok, got it, and managed to reproduce the hang now. My "ARM: pxa/sa1100: move
I/O space to PCI_IOBASE" patch managed to get it to the point of detecting
the pcmcia device instead of crashing, so I assumed it was enough when it
clearly was not. Before that patch, it still works, afterwards it hangs with
"pata_pcmcia: probe of 0.0 failed with error -12" as mentioned above. I'll
have another look.

       Arnd