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From: Thorsten Leemhuis <regressions@leemhuis.info>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: regressions@lists.linux.dev, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: Regression: plugging in USB scanner breaks all USB functionality
Date: Sat, 4 Dec 2021 12:06:32 +0100	[thread overview]
Message-ID: <7d5df080-0564-f265-f0b3-eb3dbca41599@leemhuis.info> (raw)
In-Reply-To: <YatGfEzzniH/Srn4@kroah.com>



On 04.12.21 11:44, Greg KH wrote:
> On Sat, Dec 04, 2021 at 11:26:45AM +0100, Thorsten Leemhuis wrote:
>>
>> On 04.12.21 11:03, Greg KH wrote:
>>> On Fri, Dec 03, 2021 at 06:24:52PM +0100, Thorsten Leemhuis wrote:
>>>> On 02.12.21 16:13, Thorsten Leemhuis wrote:
>>>>> Hi, this is your Linux kernel regression tracker speaking.
>>>>>
>>>>> Thanks for the report.
>>>>>
>>>>> Top-posting for once, to make this easy accessible to everyone.
>>>>>
>>>>> FWIW, 5.14 is EOL, so it might not be fixed there. As the problem is in
>>>>> newer kernels as well, I suspect that it was a change applies to 5.15 or
>>>>> 5.16 that got backported. Maybe one of the developers might have an idea
>>>>> which commit causes it. If that's not the case you likely should try a
>>>>> bisection to find the culprit. Performing one between v5.14.11..v5.14.14
>>>>> is likely the easiest and quickest way to find it.
>>>>>
>>>>> To be sure this issue doesn't fall through the cracks unnoticed, I'm
>>>>> adding it to regzbot, my Linux kernel regression tracking bot:
>>>>>
>>>>> #regzbot ^introduced v5.14.11..v5.14.14
>>>>> #regzbot title usb: plugging in USB scanner breaks all USB functionality
>>>>> [regression present in 5.15.2 und 5.16-rc3, too]
>>>>> #regzbot ignore-activity
>>>>
>>>> #regzbot introduced ff0e50d3564f
>>>> #regzbot fixed-by 385b5b09c3546c87cfb730b76abe5f8d73c579a2
>>>
>>> Odd, where did that git commit id come from?  I don't see it in
>>> linux-next or Linus's tree.
>>>
>>> confused,
>>
>> Yeah, sorry, after sending that mail it occurred to me that this wasn't
>> ideal and hard to follow.
>>
>> I got it from here:
>> https://lore.kernel.org/lkml/a649395b-0b91-a0d2-c510-ea8ec4aef917@linux.intel.com/
>>
>> I already decided that next time something like this comes up I'll reply
>> to the mail with the details instead (with proper quoting) to make this
>> easier to follow.
>>
>> Reading that message again I suspect that I might have been a bit quick
>> as well, as this might not be the commit id this ends up with when it
>> gets merged: I now see that this is likely a developers tree and not one
>> that gets indirectly merged.
>>
>> Sorry, I'll manually keep an eye on things to fix this up once that
>> patch gets its real it.
> 
> Ah, found it, it's now in my usb-linus branch, and I'll send it to Linus
> later today:
> 	09f736aa9547 ("xhci: Fix commad ring abort, write all 64 bits to CRCR register.")

Great, thx for letting me known, then I will let regzbot know:

#regbzot fixed-by: 09f736aa9547

TWIMC: regbzot will automatically pick up the title once it sees the
commit in next or mainline.

Ciao, Thorsten

  reply	other threads:[~2021-12-04 11:06 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-02 14:55 Robert Munteanu
2021-12-02 15:13 ` Thorsten Leemhuis
2021-12-03 17:24   ` Regression: plugging in USB scanner breaks all USB functionality #forregzbot Thorsten Leemhuis
2021-12-04 10:03     ` Greg KH
2021-12-04 10:26       ` Regression: plugging in USB scanner breaks all USB functionality Thorsten Leemhuis
2021-12-04 10:44         ` Greg KH
2021-12-04 11:06           ` Thorsten Leemhuis [this message]
2021-12-02 15:17 ` Greg Kroah-Hartman
2021-12-03 15:33   ` Robert Munteanu
2021-12-03 10:57 ` Mathias Nyman
2021-12-03 11:36   ` Takashi Iwai
2021-12-03 16:22     ` Robert Munteanu

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