Re: Possible regression in Trixie with i915 drivers
On Mon, Oct 13, 2025 at 9:57 AM Jeffrey Walton <noloader@gmail.com> wrote:
>
> On Mon, Oct 13, 2025 at 7:54 AM Assaf Gordon <assafgordon@gmail.com> wrote:
> >
> > After installing Debian 13/Trixie on an older Intel desktop computer, I'm experiencing complete freezes (even sysrq/magic does not respond).
> > This is reproducible and happens very quickly after boot, when going into graphic mode, and causing any non-trivial graphic display (e.g. loading a website, playing a movie with mplayer, etc.).
> > Blacklisting the "i915" driver in /etc/modprove.d/ and rebooting avoids the freeze, but that's not a usable solution for me.
> >
> > I have not found a solution, and for now reverted to Debian 12 / Bookworm which works flawlessly.
> > I'm posting this in hopes of perhaps learning of a workaround, or raising awareness for a possible fix.
> >
> > Technical details below.
> >
> > -------------------------------
> >
> > Hardware details:
> > This is an old Intel DH55 motherboard with i5-650 CPU (circa 2009).
> > It has been extremely reliable, never had any hardware issues, and has been running various Debian versions for the last decade.
> > ---------------------
> > # dmidecode -t 2
> > Handle 0x0002, DMI type 2, 15 bytes
> > Base Board Information
> > Manufacturer: Intel Corporation
> > Product Name: DH55TC
> > ...
> > ---------------------
> > # dmidecode -t bios
> > Handle 0x0000, DMI type 0, 24 bytes
> > BIOS Information
> > Vendor: Intel Corp.
> > Version: TCIBX10H.86A.0027.2009.1119.1517
> > Release Date: 11/19/2009
> > ...
>
> You should update the BIOS, if possible. The BIOS is just another
> buggy program that needs updating on occasion.
>
> It looks like the latest BIOS is dated December 2011. See
> <https://web.archive.org/web/20191119132257/https://downloadcenter.intel.com/download/20725/BIOS-Update-TCIBX10H-86A-?product=42409>.
I think a BIOS update would be wise. There's been at least 10 updates
to Integrated Graphics Option ROM since the version of the BIOS you
are using. Confer,
<https://web.archive.org/web/20191120150256/https://downloadmirror.intel.com/20725/eng/TC_0048_ReleaseNotes.pdf>.
Jeff
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