the new number og the bug is Bug#1121348 On Tue, Nov 25, 2025 at 1:07 AM Giorgos Kourafas <[email protected]> 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 <[email protected]> > 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 >> >

