linux-kernel - Re: 2.6.30-rc2-git2: Reported regressions from 2.6.29

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Message-ID: <87ljpqqi89.fsf@nokia.com>
Date:	Fri, 24 Apr 2009 16:44:22 +0300
From:	Kalle Valo <kalle.valo@...ia.com>
To:	"ext Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Adrian Bunk <bunk@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Natalie Protasevich <protasnb@...il.com>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Network Development <netdev@...r.kernel.org>,
	Linux ACPI <linux-acpi@...r.kernel.org>,
	Linux PM List <linux-pm@...ts.linux-foundation.org>,
	Linux SCSI List <linux-scsi@...r.kernel.org>
Subject: Re: 2.6.30-rc2-git2: Reported regressions from 2.6.29

"Rafael J. Wysocki" <rjw@...k.pl> writes:

> This message contains a list of some regressions from 2.6.29, for
> which there are no fixes in the mainline I know of. If any of them
> have been fixed already, please let me know.
>
> If you know of any other unresolved regressions from 2.6.29, please
> let me know either and I'll add them to the list. Also, please let
> me know if any of the entries below are invalid.
>
> Each entry from the list will be sent additionally in an automatic reply to
> this message with CCs to the people involved in reporting and handling the
> issue.
>

[...]

> Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=13067
> Subject         : iwl3945: wlan0: beacon loss from AP - sending probe request
> Submitter       : Maciej Rutecki <maciej.rutecki@...il.com>
> Date            : 2009-04-05 9:11 (12 days old)
> References      : http://marc.info/?l=linux-kernel&m=123892272218266&w=4

The regression here is that I added a printk() to inform about beacon
loss. The issue has been there a long time, the printk() just exposed
it.

Michael wrote a patch which silences the printk:

http://git.kernel.org/?p=linux/kernel/git/linville/wireless-testing.git;a=commit;h=16eaea5faa37d552b14e246ca56a436e55ca67b3

I fixed the beacon loss detection here:

http://git.kernel.org/?p=linux/kernel/git/linville/wireless-testing.git;a=commit;h=3b6dc5a431e4fef35717cba53544a95209f49b68

John, I think Michael's patch should be sent to 2.6.30. Any chances
for that?

Rafael, is it possible to send your regression mails to
linux-wireless@...r.kernel.org as well? Very few wireless developers
have time to follow netdev or lkml.

-- 
Kalle Valo
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