Hi, > Hi > > Am 07.09.22 um 06:16 schrieb Wang Yugui: > > Hi, > > > >> Am 02.09.22 um 07:52 schrieb Wang Yugui: > >>> Hi, > >>> > >>> mgag200 broken on kernel-6.0-rc3 on DELL/T620. > >>> > >>> See the attachementment file for the graph output. > >> > >> Thanks for reporting the bug. We recently refactored some code of the driver. Can you bisect to the change that introduced the problem? > > > > 5.19.3 works well on this DELL/T620. > > > > so this problem should be a regression of 6.0. > > > > other bisect seem difficult for me. > > OK, thank you. Can you provide the dmesg log of the broken machine and the output of 'sudo lspci -vn' please? please see the attachment file for the output of 'lspci -vn'. Best Regards Wang Yugui (wangyugui@xxxxxxxxxxxx) 2022/09/07 > > Best regards > Thomas > > > > > Best Regards > > Wang Yugui (wangyugui@xxxxxxxxxxxx) > > 2022/09/07 > > > > > >> > >> Best regards > >> Thomas > >> > >>> > >>> [root@T620 ~]# dmesg |grep -i 'vga\|mga' > >>> [ 0.588940] Console: colour VGA+ 80x25 > >>> [ 4.918214] pci 0000:0a:00.0: vgaarb: setting as boot VGA device > >>> [ 4.919028] pci 0000:0a:00.0: vgaarb: bridge control possible > >>> [ 4.919028] pci 0000:0a:00.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none > >>> [ 4.941058] vgaarb: loaded > >>> [ 9.385485] mgag200 0000:0a:00.0: vgaarb: deactivate vga console > >>> [ 9.510688] [drm] Initialized mgag200 1.0.0 20110418 for 0000:0a:00.0 on minor 0 > >>> [ 9.523145] fbcon: mgag200drmfb (fb0) is primary device > >>> [ 9.641543] mgag200 0000:0a:00.0: [drm] fb0: mgag200drmfb frame buffer device > >>> > >>> > >>> more info: > >>> 1, This DELL/T620 works well with kernel 5.15.63, > >>> so this is not a hardware error. > >>> > >>> 2, DELL/T640 works well with kernel 6.0-rc and 5.15.63. > >>> both DELL/T620 and DELL/T640 use the driver 'mgag200'. > >>> > >>> [root@T640 ~]# dmesg |grep -i 'vga\|mga' > >>> [ 10.161500] pci 0000:03:00.0: vgaarb: setting as boot VGA device > >>> [ 10.162463] pci 0000:03:00.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none > >>> [ 10.176527] pci 0000:03:00.0: vgaarb: bridge control possible > >>> [ 10.182465] vgaarb: loaded > >>> [ 11.832839] fb0: EFI VGA frame buffer device > >>> [ 21.303826] mgag200 0000:03:00.0: vgaarb: deactivate vga console > >>> [ 21.319498] [drm] Initialized mgag200 1.0.0 20110418 for 0000:03:00.0 on minor 0 > >>> [ 21.330223] fbcon: mgag200drmfb (fb0) is primary device > >>> [ 21.332140] mgag200 0000:03:00.0: [drm] drm_plane_enable_fb_damage_clips() not called > >>> [ 21.741629] mgag200 0000:03:00.0: [drm] fb0: mgag200drmfb frame buffer device > >>> > >>> Best Regards > >>> Wang Yugui (wangyugui@xxxxxxxxxxxx) > >>> 2022/09/02 > >>> > >> -- Thomas Zimmermann > >> Graphics Driver Developer > >> SUSE Software Solutions Germany GmbH > >> Maxfeldstr. 5, 90409 Nürnberg, Germany > >> (HRB 36809, AG Nürnberg) > >> Gesch?ftsführer: Ivo Totev > > > > > -- Thomas Zimmermann > Graphics Driver Developer > SUSE Software Solutions Germany GmbH > Maxfeldstr. 5, 90409 Nürnberg, Germany > (HRB 36809, AG Nürnberg) > Gesch?ftsführer: Ivo Totev
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lspci-vn.txt
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