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Message-ID: <20240930152520.4654-1-user@am64> Date: Tue, 1 Oct 2024 00:55:19 +0930 From: Arthur Marsh <arthur.marsh@...ernode.on.net> To: tzimmermann@...e.de Cc: Xinhui.Pan@....com, airlied@...il.com, alexander.deucher@....com, alexdeucher@...il.com, amd-gfx@...ts.freedesktop.org, arthur.marsh@...ernode.on.net, christian.koenig@....com, daniel@...ll.ch, dri-devel@...ts.freedesktop.org, iommu@...ts.linux.dev, linux-kernel@...r.kernel.org, wuhoipok@...il.com, x86@...nel.org Subject: NULL pointer dereference with kernel 6.12.0-rc1 and ARUBA GPU [ 13.069630] [drm] radeon kernel modesetting enabled. [ 13.069681] radeon 0000:00:01.0: vgaarb: deactivate vga console [ 13.070435] Console: switching to colour dummy device 80x25 [ 13.070632] [drm] initializing kernel modesetting (ARUBA 0x1002:0x990C 0x1002:0x0123 0x00). [ 13.070718] ATOM BIOS: 113 [ 13.070778] radeon 0000:00:01.0: VRAM: 768M 0x0000000000000000 - 0x000000002FFFFFFF (768M used) [ 13.070781] radeon 0000:00:01.0: GTT: 1024M 0x0000000030000000 - 0x000000006FFFFFFF [ 13.070785] [drm] Detected VRAM RAM=768M, BAR=256M [ 13.070786] [drm] RAM width 64bits DDR [ 13.070884] [drm] radeon: 768M of VRAM memory ready [ 13.070885] [drm] radeon: 1024M of GTT memory ready. [ 13.070896] [drm] Loading ARUBA Microcode [ 13.504398] [drm] Internal thermal controller without fan control [ 13.504566] [drm] radeon: dpm initialized [ 13.839229] [drm] Found VCE firmware/feedback version 50.0.1 / 17! [ 13.839264] [drm] GART: num cpu pages 262144, num gpu pages 262144 [ 13.863929] [drm] PCIE GART of 1024M enabled (table at 0x00000000001D6000). [ 13.864085] radeon 0000:00:01.0: WB enabled [ 13.864088] radeon 0000:00:01.0: fence driver on ring 0 use gpu addr 0x0000000030000c00 [ 13.864467] radeon 0000:00:01.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 [ 13.884497] radeon 0000:00:01.0: fence driver on ring 6 use gpu addr 0x0000000030000c18 [ 13.884502] radeon 0000:00:01.0: fence driver on ring 7 use gpu addr 0x0000000030000c1c [ 13.884503] radeon 0000:00:01.0: fence driver on ring 1 use gpu addr 0x0000000030000c04 [ 13.884505] radeon 0000:00:01.0: fence driver on ring 2 use gpu addr 0x0000000030000c08 [ 13.884506] radeon 0000:00:01.0: fence driver on ring 3 use gpu addr 0x0000000030000c0c [ 13.884507] radeon 0000:00:01.0: fence driver on ring 4 use gpu addr 0x0000000030000c10 [ 13.884862] radeon 0000:00:01.0: radeon: MSI limited to 32-bit [ 13.884921] radeon 0000:00:01.0: radeon: using MSI. [ 13.885003] [drm] radeon: irq initialized. [ 13.903273] [drm] ring test on 0 succeeded in 3 usecs [ 13.903281] [drm] ring test on 3 succeeded in 4 usecs [ 13.903286] [drm] ring test on 4 succeeded in 3 usecs [ 13.949128] [drm] ring test on 5 succeeded in 2 usecs [ 13.968988] [drm] UVD initialized successfully. [ 14.078221] [drm] ring test on 6 succeeded in 17 usecs [ 14.078234] [drm] ring test on 7 succeeded in 3 usecs [ 14.078236] [drm] VCE initialized successfully. [ 14.078314] snd_hda_intel 0000:00:01.1: bound 0000:00:01.0 (ops radeon_audio_component_bind_ops [radeon]) [ 14.078502] [drm] ib test on ring 0 succeeded in 0 usecs [ 14.078555] [drm] ib test on ring 3 succeeded in 0 usecs [ 14.078606] [drm] ib test on ring 4 succeeded in 0 usecs [ 14.153378] mc: Linux media interface: v0.10 [ 14.593759] usb 1-3: dvb_usb_v2: found a 'Realtek RTL2832U reference design' in warm state [ 14.614227] [drm] ib test on ring 5 succeeded [ 14.625865] usb 1-3: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer [ 14.625885] dvbdev: DVB: registering new adapter (Realtek RTL2832U reference design) [ 14.625889] usb 1-3: media controller created [ 14.627064] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 14.801142] i2c i2c-5: Added multiplexed i2c bus 6 [ 14.801149] rtl2832 5-0010: Realtek RTL2832 successfully attached [ 14.801176] usb 1-3: DVB: registering adapter 0 frontend 0 (Realtek RTL2832 (DVB-T))... [ 14.801189] dvbdev: dvb_create_media_entity: media entity 'Realtek RTL2832 (DVB-T)' registered. [ 14.957783] i2c i2c-6: fc0012: Fitipower FC0012 successfully identified [ 15.158461] [drm] ib test on ring 6 succeeded [ 15.178787] videodev: Linux video capture interface: v2.00 [ 15.460709] rtl2832_sdr rtl2832_sdr.1.auto: Registered as swradio0 [ 15.460715] rtl2832_sdr rtl2832_sdr.1.auto: Realtek RTL2832 SDR attached [ 15.460718] rtl2832_sdr rtl2832_sdr.1.auto: SDR API is still slightly experimental and functionality changes may follow [ 15.477759] usb 1-3: dvb_usb_v2: 'Realtek RTL2832U reference design' successfully initialized and connected [ 15.477878] usbcore: registered new interface driver dvb_usb_rtl28xxu [ 15.670413] [drm] ib test on ring 7 succeeded [ 15.671111] BUG: kernel NULL pointer dereference, address: 0000000000000050 [ 15.671114] #PF: supervisor read access in kernel mode [ 15.671117] #PF: error_code(0x0000) - not-present page [ 15.671119] PGD 0 P4D 0 [ 15.671123] Oops: Oops: 0000 [#1] PREEMPT_RT SMP NOPTI [ 15.671127] CPU: 2 UID: 0 PID: 437 Comm: udevd Not tainted 6.12.0-rc1 #6131 [ 15.671132] Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./F2A78M-HD2, BIOS F2 05/28/2014 [ 15.671134] RIP: 0010:drm_dp_aux_register+0x59/0x110 [drm_display_helper] [ 15.671164] Code: 86 c0 48 85 f6 48 89 83 b8 00 00 00 74 1c 48 8d bb b4 03 00 00 ba 30 00 00 00 e8 52 35 bc c7 48 8d 7b 08 5b 5d e9 37 31 93 c7 <48> 8b 70 50 48 85 f6 75 db 48 8b 30 eb d6 48 8d ab 88 04 00 00 48 [ 15.671167] RSP: 0018:ffffb37f80e33960 EFLAGS: 00010246 [ 15.671170] RAX: 0000000000000000 RBX: ffff892d407ee508 RCX: ffffffffc09b3bc0 [ 15.671172] RDX: ffffffffc0869e40 RSI: 0000000000000000 RDI: ffff892d407ee9f0 [ 15.671174] RBP: ffff892d407ee9f0 R08: ffff892d42fb8008 R09: 00000000c0c0c0c0 [ 15.671176] R10: 0000000000000000 R11: 0000000000000001 R12: ffff892d5b64af50 [ 15.671178] R13: ffff892d5b64b092 R14: ffff892d5b64af2e R15: 0000000000000018 [ 15.671181] FS: 00007f066d882840(0000) GS:ffff89306f900000(0000) knlGS:0000000000000000 [ 15.671183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.671185] CR2: 0000000000000050 CR3: 00000001047a6000 CR4: 00000000000406f0 [ 15.671188] Call Trace: [ 15.671190] <TASK> [ 15.671192] ? __die_body.cold+0x19/0x1e [ 15.671200] ? page_fault_oops+0xa8/0x230 [ 15.671206] ? drm_dp_aux_register+0x59/0x110 [drm_display_helper] [ 15.671227] ? search_module_extables+0x4f/0x90 [ 15.671233] ? fixup_exception+0x36/0x2f0 [ 15.671239] ? exc_page_fault+0x88/0x1b0 [ 15.671244] ? asm_exc_page_fault+0x22/0x30 [ 15.671251] ? __pfx_radeon_dp_aux_transfer_atom+0x10/0x10 [radeon] [ 15.671437] ? drm_dp_aux_register+0x59/0x110 [drm_display_helper] [ 15.671463] radeon_dp_aux_init+0x91/0xc0 [radeon] [ 15.671634] radeon_get_atom_connector_info_from_object_table+0x58e/0x880 [radeon] [ 15.671764] ? radeon_get_atom_connector_info_from_supported_devices_table+0x5cf/0x600 [radeon] [ 15.671895] ? kstrdup+0x4c/0x70 [ 15.671902] ? __kmalloc_noprof+0x24d/0x340 [ 15.671908] radeon_modeset_init+0x375/0x470 [radeon] [ 15.672050] ? radeon_device_init+0x667/0xb40 [radeon] [ 15.672179] radeon_driver_load_kms+0xc2/0x260 [radeon] [ 15.672308] radeon_pci_probe+0xff/0x170 [radeon] [ 15.672436] pci_device_probe+0xbe/0x1a0 [ 15.672441] really_probe+0xde/0x350 [ 15.672447] ? pm_runtime_barrier+0x61/0xb0 [ 15.672452] ? __pfx___driver_attach+0x10/0x10 [ 15.672457] __driver_probe_device+0x78/0x110 [ 15.672462] driver_probe_device+0x2d/0xc0 [ 15.672467] __driver_attach+0xc9/0x1c0 [ 15.672472] bus_for_each_dev+0x6a/0xb0 [ 15.672476] ? migrate_enable+0xbf/0xf0 [ 15.672480] bus_add_driver+0x139/0x220 [ 15.672485] driver_register+0x6e/0xc0 [ 15.672491] ? __pfx_radeon_module_init+0x10/0x10 [radeon] [ 15.672616] do_one_initcall+0x42/0x210 [ 15.672622] ? __kmalloc_cache_noprof+0x89/0x230 [ 15.672627] do_init_module+0x60/0x210 [ 15.672631] init_module_from_file+0x89/0xc0 [ 15.672637] __x64_sys_finit_module+0x142/0x390 [ 15.672643] do_syscall_64+0x47/0x110 [ 15.672647] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 15.672653] RIP: 0033:0x7f066d6b3839 [ 15.672657] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b7 85 0d 00 f7 d8 64 89 01 48 [ 15.672659] RSP: 002b:00007ffead344b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 15.672663] RAX: ffffffffffffffda RBX: 00005586f29e09b0 RCX: 00007f066d6b3839 [ 15.672665] RDX: 0000000000000000 RSI: 00005586f29d08d0 RDI: 0000000000000011 [ 15.672667] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005586f29c0540 [ 15.672669] R10: 00007f066d78cac0 R11: 0000000000000246 R12: 00005586f29d08d0 [ 15.672671] R13: 0000000000020000 R14: 00005586f29d82e0 R15: 0000000000000000 [ 15.672675] </TASK> [ 15.672676] Modules linked in: rtl2832_sdr videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev fc0012 rtl2832 i2c_mux dvb_usb_rtl28xxu dvb_usb_v2 dvb_core mc snd_emu10k1_synth snd_emux_synth snd_seq_midi_emul snd_seq_virmidi radeon(+) snd_seq_midi snd_seq_midi_event snd_seq snd_emu10k1 drm_ttm_helper ttm snd_hda_codec_hdmi drm_suballoc_helper snd_hda_intel snd_util_mem drm_display_helper snd_ac97_codec snd_intel_dspcfg snd_hda_codec snd_hda_core ac97_bus snd_hwdep snd_rawmidi snd_seq_device snd_pcm drm_kms_helper snd_timer edac_mce_amd k10temp sha512_ssse3 sha512_generic sha256_ssse3 sha1_ssse3 drm aesni_intel snd gf128mul at24 crypto_simd cryptd soundcore acpi_cpufreq regmap_i2c emu10k1_gp gameport pcspkr evdev serio_raw i2c_algo_bit video sp5100_tco wmi button ext4 crc32c_generic crc16 mbcache jbd2 hid_generic usbhid hid sg sr_mod cdrom sd_mod ata_generic crc32_pclmul firewire_ohci crc32c_intel firewire_core ahci i2c_piix4 crc_itu_t pata_atiixp i2c_smbus r8169 libahci ohci_pci xhci_pci libata [ 15.672761] realtek ohci_hcd ehci_pci xhci_hcd ehci_hcd mdio_devres scsi_mod scsi_common libphy usbcore usb_common [ 15.672773] CR2: 0000000000000050 [ 15.672776] ---[ end trace 0000000000000000 ]---
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