Xorg doesn't work anymore after the latest DRM updates
From: Christian Zigotzky <hidden>
Date: 2021-07-03 07:36:50
Hi All, Xorg doesn't work anymore after the latest DRM updates. [1] Error messages: Jul 03 08:54:51 Fienix systemd[1]: Starting Light Display Manager... Jul 03 08:54:51 Fienix systemd[1]: Started Light Display Manager. Jul 03 08:54:51 Fienix kernel: BUG: Kernel NULL pointer dereference on read at 0x00000010 Jul 03 08:54:51 Fienix kernel: Faulting instruction address: 0xc000000000630750 Jul 03 08:54:51 Fienix kernel: Oops: Kernel access of bad area, sig: 11 [#1] Jul 03 08:54:51 Fienix kernel: BE PAGE_SIZE=4K PREEMPT SMP NR_CPUS=4 CoreNet Generic Jul 03 08:54:51 Fienix kernel: Modules linked in: algif_skcipher bnep tuner_simple tuner_types tea5767 tuner tda7432 tvaudio msp3400 bttv tea575x tveeprom videobuf_dma_sg videobuf_core rc_core videodev mc btusb btrtl btbcm btintel bluetooth ecdh_generic ecc uio_pdrv_genirq uio Jul 03 08:54:51 Fienix kernel: CPU: 3 PID: 4300 Comm: Xorg.wrap Not tainted 5.14.0-a3_A-EON_X5000-07637-g3dbdb38e2869-dirty #1 Jul 03 08:54:51 Fienix kernel: NIP: c000000000630750 LR: c00000000060fedc CTR: c000000000630728 Jul 03 08:54:51 Fienix kernel: REGS: c00000008d903470 TRAP: 0300 Not tainted (5.14.0-a3_A-EON_X5000-07637-g3dbdb38e2869-dirty) Jul 03 08:54:51 Fienix kernel: MSR: 0000000080029002 <CE,EE,ME> CR: 20000222 XER: 20000000 Jul 03 08:54:51 Fienix kernel: DEAR: 0000000000000010 ESR: 0000000000000000 IRQMASK: 0 GPR00: c00000000060fedc c00000008d903710 c00000000190c400 c000000085d59c00 GPR04: c00000008d9035b8 ffffffffffffffff c0000000870a4900 c000000085b62d00 GPR08: 000000000000000f 0000000000000000 c000000000630728 0000000000000003 GPR12: 0000000020000222 c00000003fffeac0 00000000ffe51070 000000000086007c GPR16: 0000000000862820 00000000ffb7ec68 0000000000000000 00000000ffffffff GPR20: 00000000c04064a0 0000000000450088 00000000ffca79e4 5deadbeef0000122 GPR24: 5deadbeef0000100 0000000000000000 c0000000876028f0 c000000080bd4000 GPR28: c000000087603c48 c000000085d59d78 c000000085d59c00 c000000085d59c78 Jul 03 08:54:51 Fienix kernel: NIP [c000000000630750] .radeon_ttm_bo_destroy+0x28/0xc0 Jul 03 08:54:51 Fienix kernel: LR [c00000000060fedc] .ttm_bo_put+0x2ec/0x344 Jul 03 08:54:51 Fienix kernel: Call Trace: Jul 03 08:54:51 Fienix kernel: [c00000008d903710] [c00000000060fbe4] .ttm_bo_cleanup_memtype_use+0x54/0x60 (unreliable) Jul 03 08:54:51 Fienix kernel: [c00000008d903790] [c00000000060fedc] .ttm_bo_put+0x2ec/0x344 Jul 03 08:54:51 Fienix kernel: [c00000008d903820] [c000000000630b50] .radeon_bo_unref+0x28/0x3c Jul 03 08:54:51 Fienix kernel: [c00000008d9038a0] [c0000000006d1f6c] .radeon_vm_fini+0x1b0/0x1b8 Jul 03 08:54:51 Fienix kernel: [c00000008d903940] [c000000000618e38] .radeon_driver_postclose_kms+0x128/0x178 Jul 03 08:54:51 Fienix kernel: [c00000008d9039e0] [c0000000005deb14] .drm_file_free+0x1d8/0x278 Jul 03 08:54:51 Fienix kernel: [c00000008d903aa0] [c0000000005def00] .drm_release+0x64/0xc8 Jul 03 08:54:51 Fienix kernel: [c00000008d903b30] [c00000000017636c] .__fput+0x11c/0x25c Jul 03 08:54:51 Fienix kernel: [c00000008d903bd0] [c00000000008b1e8] .task_work_run+0xa4/0xbc Jul 03 08:54:51 Fienix kernel: [c00000008d903c70] [c000000000004bf4] .do_notify_resume+0x144/0x2f0 Jul 03 08:54:51 Fienix kernel: [c00000008d903d70] [c00000000000b380] .syscall_exit_prepare+0x110/0x130 Jul 03 08:54:51 Fienix kernel: [c00000008d903e10] [c000000000000688] system_call_common+0x100/0x1fc Jul 03 08:54:51 Fienix kernel: --- interrupt: c00 at 0x3f4f58 Jul 03 08:54:51 Fienix kernel: NIP: 00000000003f4f58 LR: 00000000003f4f2c CTR: 0000000000000000 Jul 03 08:54:51 Fienix kernel: REGS: c00000008d903e80 TRAP: 0c00 Not tainted (5.14.0-a3_A-EON_X5000-07637-g3dbdb38e2869-dirty) Jul 03 08:54:51 Fienix kernel: MSR: 000000000002d002 <CE,EE,PR,ME> CR: 20000420 XER: 00000000 Jul 03 08:54:51 Fienix kernel: IRQMASK: 0 GPR00: 0000000000000006 00000000ffca66a0 00000000f798a310 0000000000000000 GPR04: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR12: 0000000000000000 000000000044fff4 00000000ffe51070 000000000086007c GPR16: 0000000000862820 00000000ffb7ec68 0000000000000000 00000000ffffffff GPR20: 00000000c04064a0 0000000000450088 00000000ffca79e4 00000000004317ac GPR24: 00000000004317b8 00000000ffca66d0 0000000000000001 00000000ffca673c GPR28: 0000000000000001 0000000000000000 000000000041cff4 0000000000000003 Jul 03 08:54:51 Fienix kernel: NIP [00000000003f4f58] 0x3f4f58 Jul 03 08:54:51 Fienix kernel: LR [00000000003f4f2c] 0x3f4f2c Jul 03 08:54:51 Fienix kernel: --- interrupt: c00 Jul 03 08:54:51 Fienix kernel: Instruction dump: Jul 03 08:54:51 Fienix kernel: 40c2fff4 4e800020 7c0802a6 fbc1fff0 f8010010 3bc3ff88 fbe1fff8 38a0ffff Jul 03 08:54:51 Fienix kernel: f821ff81 7c7f1b78 e9230168 7fc3f378 <80890010> 4bffff51 e87f0208 38631df8 Jul 03 08:54:51 Fienix kernel: ---[ end trace ddf73d2d70058380 ]--- Jul 03 08:54:51 Fienix kernel: Jul 03 08:54:51 Fienix systemd[1]: lightdm.service: Main process exited, code=exited, status=1/FAILURE Jul 03 08:54:51 Fienix systemd[1]: lightdm.service: Failed with result 'exit-code'. Jul 03 08:54:51 Fienix avahi-daemon[3857]: Registering new address record for 2a02:8109:89c0:ebfc:d372:f06c:9247:7d54 on enP4096p4s4.*. Jul 03 08:54:51 Fienix systemd[1]: lightdm.service: Scheduled restart job, restart counter is at 1. Jul 03 08:54:51 Fienix systemd[1]: Stopped Light Display Manager. ---- Systems: A-EON AmigaOne X1000 and X5000 with Radeon HD6970 graphics cards. [2] [3] [4] The biggest problem is, that I don't have time for bisecting and fixing this issue. Cheers, Christian [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e058a84bfddc42ba356a2316f2cf1141974625c9 [2] http://wiki.amiga.org/index.php?title=X5000 [3] https://en.wikipedia.org/wiki/AmigaOne_X1000 [4] https://forum.hyperion-entertainment.com/viewtopic.php?f=58&t=4378