I am using the R580 chip which is the Radeon X1950 XT. The board i am using is a T1042 PowerPC based one with e5500 core.
I also lost the ability to start Xorg and therefore just a blank screen. Dave Op ma 4 aug 2025, 18:04 schreef Christian Zigotzky <chzigot...@xenosoft.de>: > > On 04 August 2025 at 04:42 pm, Alex Deucher wrote: > > On Sun, Aug 3, 2025 at 11:28 AM Christian Zigotzky > > <chzigot...@xenosoft.de> wrote: > >> > >> Hello, > >> > >> I have the same issue on another machine either. Blank screen during the > >> boot. The Radeon graphics framebuffer device doesn't work anymore. > >> > >> Here is the modifed code from the DRM updates (drm-next-2025-07-30): > >> > >> - > >> > https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/diff/drivers/gpu/drm/radeon/radeon_fbdev.c?id=260f6f4fda93c8485c8037865c941b42b9cba5d2 > >> - > >> > https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/diff/drivers/gpu/drm/radeon/radeon_drv.c?id=260f6f4fda93c8485c8037865c941b42b9cba5d2 > > > > This change just bumps the driver version it shouldn't affect the fbdev. > > > >> - > >> > https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/diff/drivers/gpu/drm/radeon/radeon_display.c?id=260f6f4fda93c8485c8037865c941b42b9cba5d2 > >> - > >> > https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/diff/drivers/gpu/drm/radeon/evergreen_cs.c?id=260f6f4fda93c8485c8037865c941b42b9cba5d2 > > > > This only affects acceleration, it should not affect fbdev. > > > > What chip are you using? Can you attach your full dmesg output? Can > > you bisect? This cultrit could be a core drm change. > > > > Alex > > > >> > >> Do you have a patch for reverting these modifications? I would like to > >> revert these modifications for testing. > >> > >> Thanks in advance, > >> Christian > >> > >> On 03 August 2025 at 1:35 pm, Christian Zigotzky wrote: > >>> Hello, > >>> > >>> Xorg doesn't work after the DRM updates drm-next-2025-07-30. > >>> > >>> Error messages: > >>> > >>> [dr:.radeon_fbdev_river_fbdev_proe] *ERROR* failed to initialize > >>> framebuffer -22 > >>> radeon 0000:01:0.0: [drm] *ERRO* fbdev: Failedto setup emulaton > (ret=-22) > >>> brd module loadedm > >>> lop: module loadd > >>> mpt3ss version 52.10.00.00 loaded > >>> nve nvme0: pci fuction 0002:04:0.0 > >>> fsl-sata ffe20000.sata: SataFSL Platform/CS Driver init > >>> scs host0: sata_fs > >>> ta1: SATA max DMA/133 irq 68 pm-pol 0 > >>> ;21;39mfsl-sat ffe221000.sata Sata FSL Platfrm/CSB Driver iit > >>> ata1: Signatue Update detectd @ 0 msecs > >>> scsihost1: sata_fsl[0m > >>> ta2: SATA max UMA/133 irq 69 lm-pol 0 > >>> nvme nvm0: 4/0/0 defaul/read/poll queus > >>> nvme0n1: p1 p p3 p4 p5 p6 p7[0m > >>> drm:.radeon_fbdv_driver_fbdev_robe] *ERROR* filed to initialze > >>> framebuffer 22 > >>> fsl_dpaa_mac fe4e6000.ethernt: of_get_mac_adress(/soc@ffe00000/ > >>> fman@40000/ethernet@e6000 failed > >>> radeon 000:01:00.0: [dr] *ERROR* fbdev Failed to setu emulation > (ret-22) > >>> fsl_dpaa_ma ffe4e6000.ethenet: FMan MEMAC[0m > >>> sl_dpaa_mac ffee6000.ethernet:Using random MA address: 0e > >>> > >>> Could you please check the latest DRM updates? > >>> > >>> Thanks, > >>> Christian > >>> > >> > > Hello Alex, > > Thanks for your answer. > > I use a BARTS chip (Radeon HD6870). I would like to bisect but I don't > have time for it currently. Sorry > > There are some other user reports: > > - https://forum.hyperion-entertainment.com/viewtopic.php?p=60606#p60606 > - https://forum.hyperion-entertainment.com/viewtopic.php?p=60595#p60595 > > They use other Radeon graphics chips. > > Bug report: https://github.com/chzigotzky/kernels/issues/15 > > What do you think about the following commit? > > Link: > > https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0e7d5874fb6b80c44be3cfbcf1cf356e81d91232 > > @Hypex > Could you please attach your full dmesg output? > > Thanks, > Christian >