Comment # 15
on bug 104274
from Sverd Johnsen
Seems to be much better or completly (well almost, bug 106820) solved with 4.17 according to my preliminary tests. Still a problem in 4.16: [16981.789980] [drm] amdgpu: finishing device. [16981.901013] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 [16981.901017] IP: (null) [16981.901018] PGD 0 P4D 0 [16981.901020] Oops: 0010 [#1] PREEMPT SMP PTI [16981.901022] Modules linked in: amdgpu(-) chash gpu_sched ttm fuse af_packet macvtap macvlan bonding nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_nat nft_chain_nat_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv6 nf_log_ipv4 nf_log_common nft_log nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nft_ct nf_conntrack xfrm_user xfrm_algo nft_counter nft_meta nft_set_bitmap nft_set_hash nft_set_rbtree cls_u32 nf_tables_inet sch_htb raid0 intel_pmc_core x86_pkg_temp_thermal intel_powerclamp kvm_intel vhost_net tun vhost tap kvm snd_hda_codec_realtek bcache snd_hda_codec_generic intel_cstate intel_uncore snd_hda_codec_hdmi efi_pstore md_mod snd_hda_intel snd_hda_codec intel_rapl_perf efivars snd_hwdep snd_hda_core mei_me mei plusb snd_pcm input_leds usbnet mii led_class tpm_crb binfmt_misc [16981.901045] crypto_user efivarfs algif_skcipher af_alg mousedev joydev psmouse atkbd libps2 tpm_tis crct10dif_pclmul tpm_tis_core crc32_pclmul tpm ghash_clmulni_intel pcspkr rng_core shpchp thermal fan i8042 acpi_pad vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio [16981.901055] CPU: 1 PID: 23604 Comm: rmmod Not tainted 4.16.12-5-ph #2 [16981.901056] Hardware name: Gigabyte Technology Co., Ltd. Z170X-UD3/Z170X-UD3-CF, BIOS F23d 12/01/2017 [16981.901056] RIP: 0010: (null) [16981.901057] RSP: 0018:ffffb8ac03083d08 EFLAGS: 00010286 [16981.901058] RAX: 0000000000000000 RBX: ffffa16af8c39f00 RCX: 000000018020000e [16981.901059] RDX: 000000018020000f RSI: 0000000000005c02 RDI: ffffa16cc19a8240 [16981.901060] RBP: ffffa16c51c42290 R08: 0000000000000001 R09: ffffa16d0cc01900 [16981.901061] R10: ffffa16b845ef300 R11: ffffe4b3ca133420 R12: ffffa16b89eb4400 [16981.901061] R13: 0000000000000040 R14: ffffffffc09aaf68 R15: dead000000000100 [16981.901062] FS: 00007f3733f98b80(0000) GS:ffffa16d1ec80000(0000) knlGS:0000000000000000 [16981.901063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [16981.901064] CR2: 0000000000000000 CR3: 00000003df3de006 CR4: 00000000003606e0 [16981.901065] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [16981.901066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [16981.901066] Call Trace: [16981.901087] ? destroy+0x23/0xb0 [amdgpu] [16981.901100] ? dal_i2caux_destruct+0x6a/0xb0 [amdgpu] [16981.901113] ? destroy+0x10/0x30 [amdgpu] [16981.901126] ? dal_i2caux_destroy+0x1d/0x30 [amdgpu] [16981.901137] ? destruct+0x8e/0x110 [amdgpu] [16981.901148] ? dc_destroy+0xc/0x20 [amdgpu] [16981.901162] ? dm_hw_fini+0x19/0x20 [amdgpu] [16981.901173] ? amdgpu_device_ip_fini+0xef/0x30a [amdgpu] [16981.901184] ? amdgpu_device_fini+0x68/0x177 [amdgpu] [16981.901191] ? amdgpu_driver_unload_kms+0x3d/0x90 [amdgpu] [16981.901193] ? drm_dev_unregister+0x3a/0xf0 [16981.901201] ? amdgpu_pci_remove+0x14/0x40 [amdgpu] [16981.901203] ? pci_device_remove+0x36/0xb0 [16981.901205] ? device_release_driver_internal+0x155/0x220 [16981.901206] ? driver_detach+0x32/0x63 [16981.901208] ? bus_remove_driver+0x6f/0xd0 [16981.901209] ? pci_unregister_driver+0x38/0x90 [16981.901220] ? amdgpu_exit+0x11/0x1029 [amdgpu] [16981.901222] ? SyS_delete_module+0x17f/0x240 [16981.901223] ? do_syscall_64+0x5b/0x100 [16981.901226] ? entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [16981.901226] Code: Bad RIP value. [16981.901230] RIP: (null) RSP: ffffb8ac03083d08 [16981.901230] CR2: 0000000000000000 [16981.901232] ---[ end trace f3ff8fc93836e132 ]---
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