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From: Paul Menzel <pmenzel@molgen.mpg.de>
To: Jack <ostroffjh@users.sourceforge.net>
Cc: linux-bluetooth@vger.kernel.org
Subject: Re: [Regression] Cambridge Silicon Radio, Ltd Bluetooth Dongle unusable again with kernel 6.0
Date: Tue, 25 Oct 2022 09:02:49 +0200	[thread overview]
Message-ID: <ab082d3c-9ba6-b1bd-a895-65ea58cec926@molgen.mpg.de> (raw)
In-Reply-To: <RJ4W7HKW.X5Y4H63W.RFY63IY6@7AFBARQQ.HKEIB7DO.6ME2HPJY>

Dear Jack,


Thank you for your work on this driver.


Am 24.10.22 um 23:11 schrieb Jack:
> Cheap USB BT dongles that are bad clones of CSR  "ID 0a12:0001 Cambridge 
> Silicon Radio, Ltd Bluetooth Dongle (HCI mode)" have had historic 
> problems, due to various bad behaviors.  See [Bug 60824] 
> [PATCH][regression] Cambridge Silicon Radio, Ltd Bluetooth Dongle 
> unusable (https://bugzilla.kernel.org/show_bug.cgi) for more details and 
> background.  The patch in that bug was initially mainlined in 5.9, and 
> underwent several revisions since then.  It has continued to work 
> through all of the 5.19 series, but it does not work with any of the 6.0 
> kernels.
> 
> I have made three unsuccessful attempts to git bisect using vanilla 
> sources.  All settled on totally irrelevant commits.  These have all 
> used v6.0-rc1 and v5.19 as the starting bad and good commits.

Thank you for trying to bisect the issue. Too bad, it’s inconclusive. 
Did you or can you please test the commits below, relating to the merges 
of the Bluetooth trees.

1.  b8c3bf0ed2edf2deaedba5f0bf0bb54c76dee71d
2.  1d1ab5d39be7590bb2400418877bff43da9e75ec
3.  2e64fe4624d19bc71212aae434c54874e5c49c5a
4.  4a934eca7b39df35569f97a070701d6846ce46df
5.  14202eff214e1e941fefa0366d4c3bc4b1a0d500
6.  c69ecb0ea4c96b8b191cbaa0b420222a37867655
7.  6e0e846ee2ab01bc44254e6a0a6a6a0db1cba16d
8.  5588d628027092e66195097bdf6835ddf64418b3

> Having read all the pages on filing a [REGRESSION} bug, I'm a bit 
> intimidated to file something without sufficient information to be taken 
> seriously, but will do so using this information, if that seems the best 
> course of action.

Having the regression documented is the most important thing, and it 
will be taken seriously even if the reporter has not fully analyzed or 
solved it.

[…]


Kind regards,

Paul

  reply	other threads:[~2022-10-25  7:02 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-24 21:11 [Regression] Cambridge Silicon Radio, Ltd Bluetooth Dongle unusable again with kernel 6.0 Jack
2022-10-25  7:02 ` Paul Menzel [this message]
2022-10-25 18:00   ` Jack
2022-10-25 19:38     ` Luiz Augusto von Dentz
2022-10-26  3:41       ` quic_zijuhu
2022-10-27  9:48         ` quic_zijuhu
2022-11-09 19:12       ` [Regression] Cambridge Silicon Radio, Ltd Bluetooth Dongle Swyter
2022-11-09 19:40         ` Jack
2022-11-09 20:43           ` Luiz Augusto von Dentz
2022-11-09 21:14             ` Swyter
2022-11-15  6:20               ` Mika Laitio
2022-11-15  6:41                 ` Swyter
2022-10-26  9:17 ` [Regression] Cambridge Silicon Radio, Ltd Bluetooth Dongle unusable again with kernel 6.0 #forregzbot Thorsten Leemhuis
2022-12-01 14:41   ` Thorsten Leemhuis

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