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From: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
To: Bagas Sanjaya <bagasdotme@gmail.com>
Cc: linux-kernel@vger.kernel.org,
	Slade Watkins <srw@sladewatkins.net>,
	Marc Miltenberger <marcmiltenberger@gmail.com>,
	Thorsten Leemhuis <regressions@leemhuis.info>,
	"regressions@lists.linux.dev" <regressions@lists.linux.dev>
Subject: Re: 6.0.0-RC kernels trigger Firefox snap bug with 6.0.0-rc3 through 6.0.0-rc7
Date: Fri, 14 Oct 2022 12:32:55 +0200	[thread overview]
Message-ID: <6375f31f-316a-bebc-6aec-c6241049e401@alu.unizg.hr> (raw)
In-Reply-To: <29362d2e-eec6-5a23-4354-cf8868d50b2c@alu.unizg.hr>

Hi everybody,

On 10/13/22 15:24, Mirsad Goran Todorovac wrote:

> Thank you for the instruction for how to shorten the bisection time. 
> My fastest build was almost 2 hours.
>
> This bug did appear with the mainline Ubuntu's and ElRepo's 6.0.0 
> kernels, however not with the
> /usr/bin/firefox build, but only that using snapd, squashfs and 
> /snap/bin/firefox ...
>
> The Firefox 91.x esr was unaffected, indeed, in a couple of days of 
> testing its work (on AL).
>
> However, please not that this bug is no deterministic, and that it can 
> take from a couple of hours
> to an overnight work to manifest.
>
> The "make localmodconfig" feature will probably help reducing the 
> build time, but I am also doing
> my day job stuff which by the Murphy's law surged right now ...
>
> You second request, to reproduce with Firefox from the dev site, is as 
> you will understand impossible
> to meet: the bug occurred only with Firefox 104.x and 105.0.1, 
> 105.0.2, 105.0.3 in Ubuntu snap
> release (and the snap release guest installed at AlmaLinux, the CentOS 
> fork).
>
> I was able to confirm that AppArmor doesn't affect behaviour once the 
> Firefox misbehaves.
> After starting to crash tabs and refusing to connect to the Internet 
> from inside Yahoo mail (Chrome
> simultaneously connected), then it complained about libmozsandbox.so 
> version and Verneed record.
>
> -Mirsad
>
> On 12.10.2022. 9:46, Bagas Sanjaya wrote:
>> Hi Mirsad,
>>
>> The bug doesn't appear on 6.0 mainline release. However, in my case,
>> Firefox is downloaded and installed from official Mozilla binary [1].
>>
>> Also, many developers here want to see bisection result. In order to
>> shorten kernel build time (and thus time needed for bisection),
>> you can strip out unneeded modules in your kernel configuration with
>> "make localmodconfig". Ensure that all devices on your computer is
>> plugged in before running that. And as other people pointed, base
>> your localmodconfig from last working kernel.
>>
>> In any case, please reproduce with Firefox from [1].
>>
>> Thanks.
>>
>> [1]: https://www.mozilla.org/en-US/firefox/
>>
I tried the "make localmodconfig" and provided the default answers 
([ENTER]) to all questions
the script asked as advised here: 
https://www.stolaf.edu/people/rab/os/linux-compile.html .

However, though it built much faster, the stripped version did not 
trigger the bug.

I am now trying to reproduce the bug with v6.0-rc[123] with 
config-{051913,060000}.
This brings a lot of combinations, and though I am a newbie, I noticed 
that build scripts
start with "make clean" for both deb-pkg and rpm-pkg.

Is there a way to rebuild only the stuff that changed between the versions?

Thank you.

-- 
Mirsad Goran Todorovac
Sistem inženjer
Grafički fakultet | Akademija likovnih umjetnosti
Sveučilište u Zagrebu
-- 
System engineer
Faculty of Graphic Arts | Academy of Fine Arts
University of Zagreb, Republic of Croatia


  reply	other threads:[~2022-10-14 10:33 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-27 17:57 6.0.0-RC kernels trigger Firefox snap bug with 6.0.0-rc3 through 6.0.0-rc7 Mirsad Goran Todorovac
2022-09-30 10:48 ` BUG: " Mirsad Todorovac
2022-09-30 11:21   ` Slade Watkins
2022-09-30 11:44     ` Mirsad Todorovac
2022-09-30 12:03       ` Slade Watkins
2022-09-30 18:27         ` Slade Watkins
2022-10-03  8:18           ` Mirsad Goran Todorovac
2022-10-07  8:47             ` Slade Watkins
2022-10-07 10:55               ` Mirsad Goran Todorovac
2022-10-06 10:39   ` Marc Miltenberger
2022-10-06 16:27     ` Slade Watkins
2022-10-06 12:00 ` Thorsten Leemhuis
2022-10-06 12:25   ` Thorsten Leemhuis
2022-10-06 12:43     ` Mirsad Todorovac
2022-10-06 13:23       ` Thorsten Leemhuis
     [not found]         ` <c05134cc-92fa-dac2-e738-cf6fae194521@alu.unizg.hr>
2022-10-06 16:58           ` Thorsten Leemhuis
     [not found]             ` <f23494b5-b4ea-a32a-e260-4541039dedc8@alu.unizg.hr>
2022-10-07  6:09               ` Mirsad Goran Todorovac
2022-10-07  6:31               ` Mirsad Goran Todorovac
2022-10-08 13:41             ` Mirsad Goran Todorovac
2022-10-08 16:46               ` Mirsad Goran Todorovac
     [not found]               ` <c40786ab-8b3b-9b64-683f-dac589c024df@alu.unizg.hr>
2022-10-09  6:45                 ` BUG reproduced: " Thorsten Leemhuis
2022-10-09 22:45                   ` Slade Watkins
2022-10-11 17:53                     ` Mirsad Goran Todorovac
2022-10-12  6:05                 ` Mirsad Todorovac
2022-10-12 22:58                   ` Slade Watkins
2022-10-06 12:38   ` Mirsad Todorovac
2022-10-12  7:46 ` Bagas Sanjaya
2022-10-13 13:24   ` Mirsad Goran Todorovac
2022-10-14 10:32     ` Mirsad Todorovac [this message]
2022-10-14 12:28       ` Bagas Sanjaya
2022-10-14 15:06         ` Mirsad Todorovac
2022-10-14 21:44         ` Mirsad Goran Todorovac
     [not found]           ` <ddf13e46-c091-80b2-3b57-c43ac45435f0@alu.unizg.hr>
2022-10-15 14:59             ` Fwd: BISECT result: " Mirsad Goran Todorovac
2022-10-15 15:32             ` Thorsten Leemhuis
2022-10-15 20:59               ` Phillip Lougher
2022-10-16 12:21                 ` Bagas Sanjaya
2022-10-16 12:24                   ` Bagas Sanjaya
2022-10-16 12:43                     ` Thorsten Leemhuis
2022-11-04 12:06                       ` BISECT result: 6.0.0-RC kernels trigger Firefox snap bug with 6.0.0-rc3 through 6.0.0-rc7 #forregzbot Thorsten Leemhuis
2022-10-17  9:45                   ` BISECT result: 6.0.0-RC kernels trigger Firefox snap bug with 6.0.0-rc3 through 6.0.0-rc7 Bagas Sanjaya
2022-10-17 12:32                     ` Bagas Sanjaya
2022-10-17 17:25                       ` Phillip Lougher
2022-10-18  1:38                         ` Bagas Sanjaya
2022-10-18  8:35                     ` Bagas Sanjaya
2022-10-16 15:55                 ` Mirsad Goran Todorovac
2022-10-16 19:55                   ` Phillip Lougher
2022-10-16 20:19                     ` Phillip Lougher
2022-10-17  2:03                       ` Bagas Sanjaya
2022-10-17  2:41                         ` Mirsad Goran Todorovac
2022-10-17  4:15                           ` Bagas Sanjaya
2022-10-17  8:32                             ` Mirsad Goran Todorovac
2022-10-17 13:22                     ` Mirsad Goran Todorovac
2022-10-17 13:59                       ` Phillip Lougher
2022-10-18  5:49                         ` Mirsad Todorovac
2022-10-18  2:15                 ` Jintao Yin
2022-10-18  6:52                   ` Mirsad Todorovac
2022-10-18  8:24                     ` Hsin-Yi Wang
2022-10-18  9:23                       ` Mirsad Todorovac
2022-10-18 12:59                       ` Bagas Sanjaya
2022-10-18 13:38                         ` Phillip Lougher
2022-10-18 13:36                       ` Phillip Lougher
2022-10-18  7:23                   ` Bagas Sanjaya
2022-10-18  8:33                     ` Bagas Sanjaya
2022-10-18 17:15                   ` Phillip Lougher
2022-10-18 17:41                     ` Mirsad Goran Todorovac
2022-10-18 17:41                     ` Phillip Lougher
     [not found]                       ` <1b41bf99-754e-8b90-cc2c-67f50642e2dc@alu.unizg.hr>
2022-10-18 21:34                         ` Mirsad Goran Todorovac
2022-10-19  5:17                       ` Slade Watkins
2022-10-19 11:07                         ` Mirsad Goran Todorovac
2022-10-19  7:53                       ` Bagas Sanjaya
2022-10-20  6:59                       ` Jintao Yin
2022-10-20  7:43                       ` Jintao Yin
2022-10-20  9:51                         ` Mirsad Goran Todorovac
2022-10-20 13:02                         ` Bagas Sanjaya
2022-10-20 13:55                       ` Jintao Yin
2022-10-20 15:00                         ` Mirsad Todorovac
2022-10-20 15:45                         ` Phillip Lougher
2022-10-20 23:23                           ` Bagas Sanjaya
2022-10-20 23:44                             ` Slade Watkins
2022-10-21  1:48                               ` Phillip Lougher
2022-10-21  7:12                                 ` Mirsad Goran Todorovac
2022-10-21  8:33                                 ` Mirsad Goran Todorovac
2022-10-21  3:09                           ` Jintao Yin
2022-10-20 15:49                         ` Phillip Lougher
2022-10-20 16:00                         ` Mirsad Todorovac
     [not found]         ` <fa6c69ff-a493-a519-3564-1a1ccb932553@alu.unizg.hr>
2022-10-18 10:55           ` Bagas Sanjaya
2022-10-18 11:07             ` Mirsad Todorovac

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