Date: Sat, 8 Aug 2020 14:56:54 +0200 From: Thomas Zander <thomas.e.zander@googlemail.com> To: Niclas Zeising <zeising+freebsd@daemonic.se> Cc: Nils Johannsen <NilsJohannsen@gmx.de>, freebsd-stable@freebsd.org Subject: Re: drm i915kms on 12.1-STABLE (r363237) Message-ID: <CAFU734w_mpRv8TQug5ULtn9hjjYUkzEAh6tzyrxQ24EfxfRshQ@mail.gmail.com> In-Reply-To: <9ee4b0b9-50bf-c7cb-9581-bf8b5374a718@daemonic.se> References: <trinity-791e2a27-1366-4a54-8299-7a37177ad755-1594979358043@3c-app-gmx-bs05> <9ee4b0b9-50bf-c7cb-9581-bf8b5374a718@daemonic.se>
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On Tue, 21 Jul 2020 at 12:53, Niclas Zeising <zeising+freebsd@daemonic.se> wrote: > On 2020-07-17 11:49, Nils Johannsen wrote: > > > yesterday I installed 12.1-STABLE [1] with kernel version `uname -K` 1201519 on my ThinkPad E490 with 'Intel UHD Graphics 620' [2]. > > But if I install the 'drm-fbsd12.0-kmod' and load the driver `kldload /boot/modules/i915kms.ko` it will only show a black screen until I manually poweroff the notebook. > > See the `/var/log/messages` [3] below. The 'drm-fbsd12.0-kmod' from pkg [4] behaves the sames as if I build it manually from ports. On 12.1-RELEASE it worked just fine. > > You need to upgrade to 13-CURRENT and use drm-devel-kmod. I don't think this is the root cause. I am seeing the exact same issue after upgrading a Sandy Bridge machine with on-chip-GPU to a recent -STABLE. Worked perfectly fine before with the abandonware-i915kms in base as well as with drm-legacy-kmod. Now both are showing a mere black screen, just like Nils reported. Maybe the recent MFCs of linuxkpi stuff broke something. I'll build some kernels and modules and see if I find the issue. Meanwhile, if it's been discovered (and fixed) already, let me know. Riggs
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