Comment # 1
on bug 111921
from Rémi Verschelde
Pasting relevant part of `dmesg` log: ``` [ 7813.339782] [drm] PCIE GART of 256M enabled (table at 0x000000F400000000). [ 7813.454656] [drm] UVD and UVD ENC initialized successfully. [ 7813.565585] [drm] VCE initialized successfully. [ 7836.109655] amdgpu 0000:01:00.0: GPU pci config reset [ 7852.253685] [drm] PCIE GART of 256M enabled (table at 0x000000F400000000). [ 7852.479940] amdgpu 0000:01:00.0: [drm:amdgpu_ring_test_helper [amdgpu]] *ERROR* ring gfx test failed (-110) [ 7852.479971] [drm:amdgpu_device_ip_resume_phase2 [amdgpu]] *ERROR* resume of IP block <gfx_v8_0> failed -110 [ 7852.480000] [drm:amdgpu_device_resume [amdgpu]] *ERROR* amdgpu_device_ip_resume failed (-110). [ 7852.497697] [drm] schedsdma0 is not ready, skipping [ 7852.497697] [drm] schedsdma1 is not ready, skipping [ 7852.508213] Move buffer fallback to memcpy unavailable [ 7852.508264] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to process the buffer list -19! [ 7852.508377] BUG: kernel NULL pointer dereference, address: 0000000000000008 [ 7852.508379] #PF: supervisor read access in kernel mode [ 7852.508379] #PF: error_code(0x0000) - not-present page [ 7852.508380] PGD 800000030ef3d067 P4D 800000030ef3d067 PUD 30e4e3067 PMD 0 [ 7852.508383] Oops: 0000 [#1] SMP PTI [ 7852.508384] CPU: 0 PID: 30196 Comm: godot.x11.:cs0 Tainted: G W O 5.3.2-desktop-1.mga7 #1 [ 7852.508385] Hardware name: HP HP Spectre x360 Convertible/83BB, BIOS F.30 03/07/2019 [ 7852.508433] RIP: 0010:amdgpu_vm_sdma_commit+0x46/0x110 [amdgpu] [ 7852.508434] Code: 18 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 31 c0 48 8b 47 08 48 8b aa 88 01 00 00 4c 8b a8 80 00 00 00 48 8b 80 c8 00 00 00 <4c> 8b 70 08 8b 45 08 4d 8d 7e 88 85 c0 0f 84 1c 0e 1f 00 49 8b 46 [ 7852.508435] RSP: 0018:ffffb5d70ec939e0 EFLAGS: 00010246 [ 7852.508436] RAX: 0000000000000000 RBX: ffffb5d70ec93a28 RCX: 0000000000000800 [ 7852.508437] RDX: ffff988d83c97c00 RSI: ffff988c8e5ae9b8 RDI: ffffb5d70ec93a28 [ 7852.508438] RBP: ffff988d83c97df8 R08: 0000000000001000 R09: 0000000000000011 [ 7852.508438] R10: 0000000000000600 R11: 000000000000000d R12: ffff988c8e5ae9b8 [ 7852.508439] R13: ffff988d922cc000 R14: 00000000000005ff R15: 0000000000000071 [ 7852.508440] FS: 00007f2cf7602700(0000) GS:ffff988e31c00000(0000) knlGS:0000000000000000 [ 7852.508441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7852.508441] CR2: 0000000000000008 CR3: 0000000308aca001 CR4: 00000000003606f0 [ 7852.508442] Call Trace: [ 7852.508482] amdgpu_vm_bo_update_mapping+0xcd/0xe0 [amdgpu] [ 7852.508518] amdgpu_vm_bo_update+0x336/0x730 [amdgpu] [ 7852.508552] amdgpu_cs_ioctl+0x1324/0x1a40 [amdgpu] [ 7852.508555] ? __switch_to_asm+0x34/0x70 [ 7852.508591] ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu] [ 7852.508600] drm_ioctl_kernel+0xac/0xf0 [drm] [ 7852.508608] drm_ioctl+0x201/0x3a0 [drm] [ 7852.508640] ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu] [ 7852.508643] ? do_futex+0xca/0xb70 [ 7852.508674] amdgpu_drm_ioctl+0x49/0x80 [amdgpu] [ 7852.508677] do_vfs_ioctl+0xa4/0x630 [ 7852.508678] ? __x64_sys_futex+0x13c/0x180 [ 7852.508680] ksys_ioctl+0x60/0x90 [ 7852.508681] __x64_sys_ioctl+0x16/0x20 [ 7852.508683] do_syscall_64+0x69/0x1d0 [ 7852.508684] ? prepare_exit_to_usermode+0x4c/0xb0 [ 7852.508686] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 7852.508687] RIP: 0033:0x7f2d0c21f2b7 [ 7852.508688] Code: 0f 1f 00 64 48 8b 14 25 00 00 00 00 48 8b 05 d0 8b 0c 00 c7 04 02 26 00 00 00 48 c7 c0 ff ff ff ff c3 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a9 8b 0c 00 f7 d8 64 89 01 48 [ 7852.508689] RSP: 002b:00007f2cf7601af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 7852.508690] RAX: ffffffffffffffda RBX: 00007f2cf7601bf8 RCX: 00007f2d0c21f2b7 [ 7852.508691] RDX: 00007f2cf7601b60 RSI: 00000000c0186444 RDI: 0000000000000006 [ 7852.508691] RBP: 00007f2cf7601b60 R08: 00007f2cf7601c50 R09: 0000000000000020 [ 7852.508692] R10: 00007f2cf7601c50 R11: 0000000000000246 R12: 00000000c0186444 [ 7852.508693] R13: 0000000000000006 R14: 00000000073bb160 R15: 00000000073bb1e8 [ 7852.508694] Modules linked in: cmac rfcomm msr ip6t_REJECT nf_reject_ipv6 xt_comment ip6table_mangle ip6table_nat ip6table_raw nf_log_ipv6 ip6table_filter ip6_tables xt_recent ipt_IFWLOG ipt_psd xt_set ip_set_hash_ip ip_set ipt_REJECT nf_reject_ipv4 xt_conntrack xt_hashlimit xt_addrtype xt_mark iptable_mangle iptable_nat xt_CT xt_tcpudp iptable_raw nfnetlink_log xt_NFLOG nf_log_ipv4 nf_log_common xt_LOG nf_nat_tftp nf_nat_snmp_basic nf_conntrack_snmp nf_nat_sip nf_nat_pptp nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda nf_nat nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip nf_conntrack_pptp nf_conntrack_netlink nfnetlink nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp nf_conntrack nf_defrag_ipv4 iptable_filter ccm af_packet bnep vboxnetadp(O) vboxnetflt(O) vboxdrv(O) fuse nls_iso8859_1 nls_cp437 vfat fat dm_mirror dm_region_hash dm_log dm_mod btusb uvcvideo btbcm btrtl btintel videobuf2_vmalloc [ 7852.508713] videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_common videodev mc usbhid ecdh_generic ecc snd_hda_codec_hdmi x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek coretemp iwlmvm snd_hda_codec_generic ledtrig_audio kvm_intel joydev snd_hda_intel mac80211 kvm libarc4 snd_hda_codec irqbypass crc32_pclmul snd_hda_core iwlwifi crc32c_intel spi_pxa2xx_platform dw_dmac dw_dmac_core hid_multitouch 8250_dw ghash_clmulni_intel hid_sensor_magn_3d hid_sensor_gyro_3d hid_sensor_incl_3d aesni_intel hid_sensor_rotation hid_sensor_accel_3d iTCO_wdt iTCO_vendor_support hid_sensor_trigger industrialio_triggered_buffer aes_x86_64 tpm_crb kfifo_buf crypto_simd snd_hwdep cryptd hid_sensor_iio_common industrialio cfg80211 glue_helper snd_pcm intel_cstate intel_uncore mei_hdcp snd_timer hp_wmi ucsi_acpi tpm_tis typec_ucsi tpm_tis_core snd hid_sensor_hub psmouse intel_rapl_msr intel_rapl_perf wmi_bmof soundcore intel_wmi_thunderbolt rfkill i2c_i801 rtsx_pci_ms input_leds hid_generic [ 7852.508731] memstick pinctrl_sunrisepoint idma64 int3403_thermal thermal typec battery pinctrl_intel virt_dma tpm hp_wireless intel_vbtn sparse_keymap int3400_thermal acpi_pad acpi_thermal_rel ac intel_ishtp_loader button mei_me mei intel_lpss_pci intel_pch_thermal intel_ishtp_hid processor_thermal_device intel_lpss cros_ec_ishtp intel_rapl_common int340x_thermal_zone cros_ec_core intel_soc_dts_iosf evdev sch_fq_codel nvram binfmt_misc efivarfs ip_tables x_tables ipv6 crc_ccitt nf_defrag_ipv6 autofs4 amdgpu xhci_pci xhci_hcd rtsx_pci_sdmmc mmc_block mmc_core usbcore rtsx_pci amd_iommu_v2 serio_raw gpu_sched intel_ish_ipc intel_ishtp ttm usb_common i915 i2c_hid hid i2c_algo_bit wmi drm_kms_helper video drm [ 7852.508746] CR2: 0000000000000008 [ 7852.508748] ---[ end trace 4ad3d7dd37eb10d6 ]--- [ 7852.508787] RIP: 0010:amdgpu_vm_sdma_commit+0x46/0x110 [amdgpu] [ 7852.508788] Code: 18 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 31 c0 48 8b 47 08 48 8b aa 88 01 00 00 4c 8b a8 80 00 00 00 48 8b 80 c8 00 00 00 <4c> 8b 70 08 8b 45 08 4d 8d 7e 88 85 c0 0f 84 1c 0e 1f 00 49 8b 46 [ 7852.508789] RSP: 0018:ffffb5d70ec939e0 EFLAGS: 00010246 [ 7852.508790] RAX: 0000000000000000 RBX: ffffb5d70ec93a28 RCX: 0000000000000800 [ 7852.508790] RDX: ffff988d83c97c00 RSI: ffff988c8e5ae9b8 RDI: ffffb5d70ec93a28 [ 7852.508791] RBP: ffff988d83c97df8 R08: 0000000000001000 R09: 0000000000000011 [ 7852.508792] R10: 0000000000000600 R11: 000000000000000d R12: ffff988c8e5ae9b8 [ 7852.508792] R13: ffff988d922cc000 R14: 00000000000005ff R15: 0000000000000071 [ 7852.508793] FS: 00007f2cf7602700(0000) GS:ffff988e31c00000(0000) knlGS:0000000000000000 [ 7852.508794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7852.508795] CR2: 0000000000000008 CR3: 0000000308aca001 CR4: 00000000003606f0 ```
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