netdev - Re: [regression] igc does not function anymore after second resume from standby

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Message-ID: <4a4c4a1d-2091-384c-1fc9-68d9e6c07727@intel.com>
Date: Wed, 14 Aug 2024 13:14:40 -0700
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: Linux regressions mailing list <regressions@...ts.linux.dev>, Sasha Neftin
	<sasha.neftin@...el.com>, Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	"Lifshits, Vitaly" <vitaly.lifshits@...el.com>, "Ruinskiy, Dima"
	<dima.ruinskiy@...el.com>
CC: netdev <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
	intel-wired-lan <intel-wired-lan@...ts.osuosl.org>, Martin
	<mwolf@...umentum.com>
Subject: Re: [regression] igc does not function anymore after second resume
 from standby



On 8/14/2024 3:42 AM, Linux regression tracking (Thorsten Leemhuis) wrote:
> [Tony, Przemek: lore did not find any mail from Sasha in the past few
> weeks, so from here it looks like this might be something somebody else
> needs to handle.]

Adding a couple of others who are involved in the driver.

Thanks,
Tony

> Hi, Thorsten here, the Linux kernel's regression tracker.
> 
> Sasha, I noticed a report about a regression in bugzilla.kernel.org that
> appears to be caused by this change of yours:
> 6f31d6b643a32c ("igc: Refactor runtime power management flow") [v6.10-rc1]
> 
> As many (most?) kernel developers don't keep an eye on the bug tracker,
> I decided to write this mail. To quote from
> https://bugzilla.kernel.org/show_bug.cgi?id=219143 :
> 
>>   Martin 2024-08-09 15:17:49 UTC
>>
>> Starting with Kernel 6.10.x I experienced network connection
>> problems after resuming my system for the second time.
>>
>> My system contains two Intel I225-V (rev2 and rev3) cards.
>>
>> I ran a bisection and got a hit: 6f31d6b643a32cc126cf86093fca1ea575948bf0
>>
>> rmmod igc ; modprobe igc remedies the issue till the next but one resume.
> 
> See the ticket for more details. Martin, the reporter, is CCed.
> 
> Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
> --
> Everything you wanna know about Linux kernel regression tracking:
> https://linux-regtracking.leemhuis.info/about/#tldr
> If I did something stupid, please tell me, as explained on that page.
> 
> #regzbot duplicate: https://bugzilla.kernel.org/show_bug.cgi?id=219143
> #regzbot from: Martin