linux-kernel - Re: PROBLEM: dmesg tracedumps on rtsx

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Date:   Sat, 9 Jul 2022 01:06:18 +0200
From:   Aleksa Vučković <aleksav013@...il.com>
To:     Shuah Khan <skhan@...uxfoundation.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org
Subject: Re: PROBLEM: dmesg tracedumps on rtsx_usb module loading during boot

On 22/07/08 01:09PM, Shuah Khan wrote:
> On 7/8/22 7:53 AM, Greg Kroah-Hartman wrote:
> > On Fri, Jul 08, 2022 at 03:49:42PM +0200, Aleksa Vučković wrote:
> > > [1.] One line summary of the problem:
> > > dmesg tracedumps on rtsx_usb module loading during boot
> > 
> > This should be fixed in linux-next now, right?
> > 
> > Shuah (on cc:) send in some commits to resolve this, look at this
> > thread:
> > 	https://lore.kernel.org/all/cover.1656642167.git.skhan@linuxfoundation.org/
> > 
> > If you could test those 2 patches, that would be great.

I just applied these two patches into staging tree and it seems to fix
dma mapping error. There is no trace dump in dmesg now.

> 
> Yes. Please test these patches and send me the trace you are seeing
> as well. It will help us confirm if it is the same problem or a new
> one.
> 
> thanks,
> -- Shuah

However, I mistakenly assumed that dmesg trace was also only indicator
that SD card reader does not work. It seems like these two issues are
not connected, both 37fcacb50be7071d146144a6c5c5bf0194b9a1cf (last
commit that does not have trace dump) and this version after patch do
not register SD card.

I will do another bisect to find out which commit actually causes SD
card reader to not register SD cards. I will contact you after I do more
testing.

Sincerely,
Aleksa Vuckovic