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Sender: Guenter Roeck <groeck7@gmail.com>
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Date:   Sat, 30 Apr 2022 05:41:31 -0700
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Subject: Re: [PATCH v2 00/48] ARM: PXA multiplatform support
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To:     Arnd Bergmann <arnd@arndb.de>
Cc:     Robert Jarzmik <robert.jarzmik@free.fr>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
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From:   Guenter Roeck <linux@roeck-us.net>
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On 4/30/22 01:04, Arnd Bergmann wrote:
> On Sat, Apr 30, 2022 at 1:09 AM Guenter Roeck <linux@roeck-us.net> wrote:
>> On 4/29/22 14:46, Arnd Bergmann wrote:
>>> On Fri, Apr 29, 2022 at 10:23 PM Guenter Roeck <linux@roeck-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
> 
Yes, those messages are indeed old.

> 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.

Guenter