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From: Vinicius Costa Gomes <vinicius.gomes@intel.com>
To: Jakub Kicinski <kuba@kernel.org>, Stefan Dietrich <roots@gmx.de>
Cc: Greg KH <greg@kroah.com>,
	netdev@vger.kernel.org, stable@vger.kernel.org,
	regressions@lists.linux.dev,
	Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	intel-wired-lan@lists.osuosl.org
Subject: Re: [REGRESSION] Kernel 5.15 reboots / freezes upon ifup/ifdown
Date: Wed, 24 Nov 2021 17:07:16 -0800	[thread overview]
Message-ID: <87a6htm4aj.fsf@intel.com> (raw)
In-Reply-To: <20211124153449.72c9cfcd@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>

Hi Stefan,

Jakub Kicinski <kuba@kernel.org> writes:

> On Wed, 24 Nov 2021 18:20:40 +0100 Stefan Dietrich wrote:
>> Hi all,
>> 
>> six exciting hours and a lot of learning later, here it is.
>> Symptomatically, the critical commit appears for me between 5.14.21-
>> 051421-generic and 5.15.0-051500rc2-generic - I did not find an amd64
>> build for rc1.
>> 
>> Please see the git-bisect output below and let me know how I may
>> further assist in debugging!
>
> Well, let's CC those involved, shall we? :)
>
> Thanks for working thru the bisection!
>
>> a90ec84837325df4b9a6798c2cc0df202b5680bd is the first bad commit
>> commit a90ec84837325df4b9a6798c2cc0df202b5680bd
>> Author: Vinicius Costa Gomes <vinicius.gomes@intel.com>
>> Date:   Mon Jul 26 20:36:57 2021 -0700
>> 
>>     igc: Add support for PTP getcrosststamp()

Oh! That's interesting.

Can you try disabling CONFIG_PCIE_PTM in your kernel config? If it
works, then it's a point in favor that this commit is indeed the
problematic one.

I am still trying to think of what could be causing the lockup you are
seeing.


Cheers,
-- 
Vinicius

WARNING: multiple messages have this Message-ID (diff)
From: Vinicius Costa Gomes <vinicius.gomes@intel.com>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] [REGRESSION] Kernel 5.15 reboots / freezes upon ifup/ifdown
Date: Wed, 24 Nov 2021 17:07:16 -0800	[thread overview]
Message-ID: <87a6htm4aj.fsf@intel.com> (raw)
In-Reply-To: <20211124153449.72c9cfcd@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>

Hi Stefan,

Jakub Kicinski <kuba@kernel.org> writes:

> On Wed, 24 Nov 2021 18:20:40 +0100 Stefan Dietrich wrote:
>> Hi all,
>> 
>> six exciting hours and a lot of learning later, here it is.
>> Symptomatically, the critical commit appears for me between 5.14.21-
>> 051421-generic and 5.15.0-051500rc2-generic - I did not find an amd64
>> build for rc1.
>> 
>> Please see the git-bisect output below and let me know how I may
>> further assist in debugging!
>
> Well, let's CC those involved, shall we? :)
>
> Thanks for working thru the bisection!
>
>> a90ec84837325df4b9a6798c2cc0df202b5680bd is the first bad commit
>> commit a90ec84837325df4b9a6798c2cc0df202b5680bd
>> Author: Vinicius Costa Gomes <vinicius.gomes@intel.com>
>> Date:   Mon Jul 26 20:36:57 2021 -0700
>> 
>>     igc: Add support for PTP getcrosststamp()

Oh! That's interesting.

Can you try disabling CONFIG_PCIE_PTM in your kernel config? If it
works, then it's a point in favor that this commit is indeed the
problematic one.

I am still trying to think of what could be causing the lockup you are
seeing.


Cheers,
-- 
Vinicius

  reply	other threads:[~2021-11-25  1:07 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-24  7:28 [REGRESSION] Kernel 5.15 reboots / freezes upon ifup/ifdown Stefan Dietrich
2021-11-24  7:33 ` Greg KH
2021-11-24  7:42   ` Stefan Dietrich
2021-11-24 17:20   ` Stefan Dietrich
2021-11-24 23:34     ` Jakub Kicinski
2021-11-24 23:34       ` [Intel-wired-lan] " Jakub Kicinski
2021-11-25  1:07       ` Vinicius Costa Gomes [this message]
2021-11-25  1:07         ` Vinicius Costa Gomes
2021-11-25  1:13         ` Jakub Kicinski
2021-11-25  1:13           ` [Intel-wired-lan] " Jakub Kicinski
2021-11-25  8:41         ` Stefan Dietrich
2021-11-25  8:41           ` [Intel-wired-lan] " Stefan Dietrich
2021-12-01 11:45           ` Thorsten Leemhuis
2021-12-01 11:45             ` [Intel-wired-lan] " Thorsten Leemhuis
2021-12-01 17:47             ` Vinicius Costa Gomes
2021-12-01 17:47               ` [Intel-wired-lan] " Vinicius Costa Gomes
2021-12-01 18:57               ` [PATCH] igc: Avoid possible deadlock during suspend/resume Vinicius Costa Gomes
2021-12-01 18:57                 ` [Intel-wired-lan] " Vinicius Costa Gomes
2021-12-02  6:41                 ` Greg KH
2021-12-02  6:41                   ` [Intel-wired-lan] " Greg KH
2021-12-02  6:50                   ` Vinicius Costa Gomes
2021-12-02  6:50                     ` [Intel-wired-lan] " Vinicius Costa Gomes
2021-12-02  8:34                 ` Stefan Dietrich
2021-12-02  8:34                   ` [Intel-wired-lan] " Stefan Dietrich
2021-12-02 22:34                   ` Vinicius Costa Gomes
2021-12-02 22:34                     ` [Intel-wired-lan] " Vinicius Costa Gomes
2021-12-10  9:40                     ` Thorsten Leemhuis
2021-12-10  9:40                       ` [Intel-wired-lan] " Thorsten Leemhuis
2021-12-10 13:45                       ` Stefan Dietrich
2021-12-10 13:45                         ` [Intel-wired-lan] " Stefan Dietrich
2021-12-10 14:01                         ` Thorsten Leemhuis
2021-12-10 14:01                           ` [Intel-wired-lan] " Thorsten Leemhuis
2021-12-10 14:51                           ` Stefan Dietrich
2021-12-10 14:51                             ` [Intel-wired-lan] " Stefan Dietrich
2021-12-11  0:41                             ` Vinicius Costa Gomes
2021-12-11  0:41                               ` [Intel-wired-lan] " Vinicius Costa Gomes
2021-12-11  9:50                               ` Stefan Dietrich
2021-12-11  9:50                                 ` [Intel-wired-lan] " Stefan Dietrich
2021-12-13 18:32                                 ` Vinicius Costa Gomes
2021-12-13 18:32                                   ` [Intel-wired-lan] " Vinicius Costa Gomes
2021-12-14  0:39                                   ` [PATCH net v1] igc: Do not enable crosstimestamping for i225-V models Vinicius Costa Gomes
2021-12-14  0:39                                     ` [Intel-wired-lan] " Vinicius Costa Gomes
2021-12-14  5:49                                     ` Thorsten Leemhuis
2021-12-14  5:49                                       ` [Intel-wired-lan] " Thorsten Leemhuis
2021-12-23  7:21                                       ` Thorsten Leemhuis
2021-12-23  7:21                                         ` [Intel-wired-lan] " Thorsten Leemhuis
2021-12-27 20:35                                     ` Kraus, NechamaX
2021-12-27 20:35                                       ` Kraus, NechamaX
2021-12-14  6:39                                   ` [PATCH] igc: Avoid possible deadlock during suspend/resume Stefan Dietrich
2021-12-14  6:39                                     ` [Intel-wired-lan] " Stefan Dietrich
2021-11-24  7:48 ` [REGRESSION] Kernel 5.15 reboots / freezes upon ifup/ifdown Thorsten Leemhuis
2021-11-25 11:15   ` Thorsten Leemhuis
2021-11-24  8:05 ` Stefan Dietrich

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