linux-kernel - Re: Linux 6.11-rc1

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Message-ID: <3f65bfad-bd04-4651-bbe3-e2b1925f1a13@kernel.dk>
Date: Tue, 30 Jul 2024 12:35:43 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Guenter Roeck <linux@...ck-us.net>,
 Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 6.11-rc1

On 7/30/24 12:22 PM, Guenter Roeck wrote:
> On 7/30/24 10:20, Jens Axboe wrote:
>> On 7/30/24 11:04 AM, Guenter Roeck wrote:
>>> On Mon, Jul 29, 2024 at 08:29:20AM -0700, Guenter Roeck wrote:
>>>> On Sun, Jul 28, 2024 at 02:40:01PM -0700, Linus Torvalds wrote:
>>>>> The merge window felt pretty normal, and the stats all look pretty
>>>>> normal too. I was expecting things to be quieter because of summer
>>>>> vacations, but that (still) doesn't actually seem to have been the
>>>>> case.
>>>>>
>>>>> There's 12k+ regular commits (and another 850 merge commits), so as
>>>>> always the summary of this all is just my merge log. The diffstats are
>>>>> also (once again) dominated by some big hardware descriptions (another
>>>>> AMD GPU register dump accounts for ~45% of the lines in the diff, and
>>>>> some more perf event JSON descriptor files account for another 5%).
>>>>>
>>>>> But if you ignore those HW dumps, the diff too looks perfectly
>>>>> regular: drivers account for a bit over half (even when not counting
>>>>> the AMD register description noise). The rest is roughly one third
>>>>> architecture updates (lots of it is dts files, so I guess I could have
>>>>> lumped that in with "more hw descriptor tables"), one third tooling
>>>>> and documentation, and one third "core kernel" (filesystems,
>>>>> networking, VM and kernel). Very roughly.
>>>>>
>>>>> If you want more details, you should get the git tree, and then narrow
>>>>> things down based on interests.
>>>>>
>>>>
>>>> Build results:
>>>>     total: 158 pass: 139 fail: 19
>>>> Failed builds:
>>> ...
>>>>     i386:q35:pentium3:defconfig:pae:nosmp:net=ne2k_pci:initrd
>>>
>>> This failure bisects to commit 0256994887d7 ("Merge tag
>>> 'for-6.11/block-post-20240722' of git://git.kernel.dk/linux"). I have no
>>> idea why that would be the case, but it is easy to reproduce. Maybe it is
>>> coincidental. Either case, copying Jens in case he has an idea.
>>
>> I can take a look, but please post some details on what is actually
>> being run here so I can attempt to reproduce it. I looked at your
>> initial email too, and there's a link in there to:
>>
>> https://kerneltests.org/builders
>>
>> but I'm still not sure what's being run.
>>
> 
> Please see http://server.roeck-us.net/qemu/x86-nosmp/

Works fine for me on current master, boots and run self tests and
then shuts down. Tried it 5 times now.

axboe@...25 ~/g/linux-vm (master)> qemu-system-i386 --version
QEMU emulator version 8.2.4 (Debian 1:8.2.4+ds-1)
Copyright (c) 2003-2023 Fabrice Bellard and the QEMU Project developers

Then tried 6.11-rc1 10 times in a loop, and also didn't see any failures.

I then switched to using gcc-11 as that seems to be what you are using,
and them it does indeed bomb during boot. Funky. I'll check the post
branch and see if it's anything from there.

-- 
Jens Axboe