XPost: linux.debian.bugs.dist
From: gkoura@gmail.com
the new number og the bug is Bug#1121348
On Tue, Nov 25, 2025 at 1:07 AM Giorgos Kourafas wrote:
> Dear Salvatore,
> thank you for your response!
> As a novice user of "reportbugs" , I just filed the report of this bug
> using the "reportbug" application. Please contact me for any information
> that i may be able to provide and that i have omitted to provide.
>
> Regards, Giorgos
>
> On Sun, Nov 23, 2025 at 5:21 PM Salvatore Bonaccorso
> wrote:
>
>> Control: tags -1 + moreinfo
>>
>> Hi Giorgos,
>>
>> Thanks for your report.
>>
>> On Sun, Nov 23, 2025 at 11:59:10AM +0200, Giorgos Kourafas wrote:
>> > Package: linux
>> > Version: 6.12.48+deb13-1
>> > Severity: serious
>> > Tags: upstream regression ftbfs Control: affects -1 + src:linux
>> >
>> > Dear Maintainer,
>> >
>> > The newer kernel image, **6.12.48+deb13-amd64**, causes a black screen
>> > during boot on a Sony Vaio VPCCW1S1E laptop. The issue is a
>> **regression**,
>> > as the previous stable kernel, **6.1.40-amd64, works perfectly** with
>> the
>> > open-source Nouveau driver. ### Hardware Affected * **Laptop Model:**
>> Sony
>> > Vaio VPCCW1S1E * **Graphics Card:** **NVIDIA GT216M (GeForce GT 230M)**
>> ###
>> > Diagnostic Information When booting the 6.12.48+deb13 kernel, the system
>> > fails to initialize any display output, including virtual consoles
>> (TTYs),
>> > preventing a user from reaching the login prompt. By checking the system
>> > logs from a failed boot, the following critical error message was found,
>> > indicating a driver crash related to the GPU's core or power management:
>> > nouveau 0000:01.00.0: gr: TRAP_PROP TP1 - 00000040 [RT-FAULT] ###
>> > Troubleshooting Attempts
>> > All attempts to fix the issue via kernel parameters on the 6.12.48
>> kernel
>> > have failed: 1. Adding **'nouveau.modeset=0'** 2. Adding
>> > **'nouveau.runpm=0'** (disabling runtime power management) 3.
>> Blacklisting
>> > the Nouveau driver completely.
>> > The only way to boot the 6.12 kernel is by using the
>> > **'modprobe.blacklist=nouveau'** or **nomodeset=1** parameter, which
>> forces
>> > a generic VESA driver with poor resolution and no acceleration.
>>
>> 6.12.48-1 is not the newest kernel in Debian trixie, please thus test
>> as well with 6.12.57-1 and report back if the issue persists.
>>
>> We need full kernel logs and information about the hardware, ideally
>> you collect the information with reportbug following up on this bug.
>>
>> If the issue persist in 6.12.57-1, can you then please bisect the
>> changes between 6.12.43 and 6.12.48 (assuming you upgraded from
>> 6.12.43 to 6.12.48). Let us know if you need more psecific indication
>> on how to do the bisection.
>>
>> Regards,
>> Salvatore
>>
>
the new number og the bug is
Bug#1121348
Dear Salvatore, thank you for
your response! As a novice user of "reportbugs" , I just
filed the report of this bug using
the "reportbug" application. Please contact me for any information
that i may be able to provide and that i have omitted to provid
.
Regards, Giorgos
On Sun, Nov 23, 2025 at 5:21 PM Salvatore Bonaccorso < carnil@debian.org>
wrote:
Control: tags -1 + moreinfo
Hi Giorgos,
Thanks for your report.
On Sun, Nov 23, 2025 at 11:59:10AM +0200, Giorgos Kourafas wrote:
> Package: linux
> Version: 6.12.48+deb13-1
> Severity: serious
> Tags: upstream regression ftbfs Control: affects -1 + src:linux
>
> Dear Maintainer,
>
> The newer kernel image, **6.12.48+deb13-amd64**, causes a black screen
> during boot on a Sony Vaio VPCCW1S1E laptop. The issue is a
**regression**,
> as the previous stable kernel, **6.1.40-amd64, works perfectly** with
the
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