after unloading and loading amdgpu module several times (checking status of bug 104274 with new 4.17 kernel) over some time i noticed that sensors program gets killed reading /sys/class/i2c-adapter/i2c-10/name seems to be from amdgpu driver (it belongs to 0000:01:00.0 according to the device symlink) [ 5643.197797] BUG: unable to handle kernel paging request at 00000000bfbfbf08 [ 5643.197801] PGD 0 P4D 0 [ 5643.197802] Oops: 0000 [#1] PREEMPT SMP [ 5643.197803] Modules linked in: amdgpu chash gpu_sched ttm af_packet macvtap macvlan bonding nft_nat nft_chain_nat_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv6 nf_log_ipv4 nf_log_common xfrm_user nft_reject_inet nf_reject_ipv4 xfrm_algo nf_reject_ipv6 nft_reject nft_log nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nft_ct nf_conntrack cls_u32 nft_counter nft_meta nft_set_bitmap sch_htb nft_set_hash nft_set_rbtree raid0 x86_pkg_temp_thermal intel_powerclamp kvm_intel vhost_net tun vhost tap kvm deflate efi_pstore intel_cstate intel_uncore md_mod snd_hda_codec_realtek bcache snd_hda_codec_generic intel_rapl_perf efivars snd_hda_codec_hdmi snd_hda_intel snd_hda_codec plusb input_leds usbnet led_class snd_hwdep snd_hda_core mii mei_me snd_pcm mei tpm_crb crypto_user efivarfs algif_skcipher [ 5643.197824] af_alg mousedev joydev psmouse atkbd crct10dif_pclmul crc32_pclmul libps2 ghash_clmulni_intel pcspkr tpm_tis tpm_tis_core shpchp fan thermal tpm i8042 rng_core acpi_pad vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio [last unloaded: amdgpu] [ 5643.197836] CPU: 0 PID: 5587 Comm: sensors Not tainted 4.17.0-1-vfio #2 [ 5643.197837] Hardware name: Gigabyte Technology Co., Ltd. Z170X-UD3/Z170X-UD3-CF, BIOS F23d 12/01/2017 [ 5643.197840] RIP: 0010:sysfs_kf_seq_show+0x1e/0x100 [ 5643.197841] RSP: 0018:ffff952b854efd98 EFLAGS: 00010206 [ 5643.197841] RAX: 00000000bfbfbf00 RBX: 0000000000000000 RCX: 0000000000000001 [ 5643.197842] RDX: ffff8ef36cb509c0 RSI: 0000000000000001 RDI: ffff8ef27e8f2e80 [ 5643.197843] RBP: 00000000ffffffff R08: ffff8ef39379f928 R09: ffff8ef36cb509c0 [ 5643.197843] R10: 0000000000000000 R11: 0000000000000001 R12: ffff952b854efec0 [ 5643.197844] R13: ffff8ef3773d9200 R14: 0000000000000001 R15: ffff8ef27e8f2e80 [ 5643.197844] FS: 00007fb4230b9740(0000) GS:ffff8ef3dec00000(0000) knlGS:0000000000000000 [ 5643.197845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5643.197846] CR2: 00000000bfbfbf08 CR3: 00000003bbde7004 CR4: 00000000003606f0 [ 5643.197846] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5643.197847] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5643.197847] Call Trace: [ 5643.197850] seq_read+0x13b/0x3c0 [ 5643.197852] __vfs_read+0x1e/0x130 [ 5643.197854] ? common_file_perm+0xcf/0x130 [ 5643.197855] vfs_read+0x85/0x110 [ 5643.197856] ksys_read+0x3a/0x90 [ 5643.197858] do_syscall_64+0x53/0x300 [ 5643.197860] ? page_fault+0x8/0x30 [ 5643.197861] ? do_page_fault+0x1b/0x5e [ 5643.197862] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 5643.197864] RIP: 0033:0x7fb4229b8901 [ 5643.197864] RSP: 002b:00007fff9fe0e068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 5643.197865] RAX: ffffffffffffffda RBX: 00005648e71aa330 RCX: 00007fb4229b8901 [ 5643.197865] RDX: 0000000000001000 RSI: 00005648e71aa7f0 RDI: 0000000000000004 [ 5643.197866] RBP: 0000000000000d68 R08: 0000000000000003 R09: 0000000000000000 [ 5643.197866] R10: 00005648e71a1010 R11: 0000000000000246 R12: 00007fb422c815c0 [ 5643.197867] R13: 00007fb422c82100 R14: 000000000000007f R15: 00005648e71aa330 [ 5643.197868] Code: de ff ff eb b8 5b 5d 41 5c c3 0f 1f 00 55 53 4c 8b 4f 78 49 8b 01 48 8b 40 08 4c 8b 40 60 49 8b 40 28 48 85 c0 0f 84 b0 00 00 00 <48> 8b 68 08 48 8b 4f 18 48 8b 47 08 48 39 c1 0f 87 ae 00 00 00 [ 5643.197881] RIP: sysfs_kf_seq_show+0x1e/0x100 RSP: ffff952b854efd98 [ 5643.197881] CR2: 00000000bfbfbf08 [ 5643.197882] ---[ end trace 1347051bc2a6e340 ]--- can add more info if needed with debug kernel options, patches or whatever.
4.17.1 still affected. load+unload should be sufficient [ 854.947999] BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 [ 854.948013] PGD 0 P4D 0 [ 854.948022] Oops: 0000 [#1] PREEMPT SMP PTI [ 854.948026] Modules linked in: amdgpu twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 twofish_common serpent_avx2 serpent_avx_x86_64 serpent_generic chash gpu_sched ttm msr af_packet macvtap macvlan bonding nf_log_ipv6 nf_log_ipv4 nf_log_common nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_log nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nft_limit nft_ct nf_conntrack xfrm_user xfrm_algo nft_counter cls_u32 nft_meta nft_set_bitmap nft_set_hash sch_htb nft_set_rbtree raid0 intel_pmc_core x86_pkg_temp_thermal intel_powerclamp kvm_intel vhost_net tun vhost tap kvm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi md_mod snd_hda_intel bcache snd_hda_codec efi_pstore intel_cstate intel_uncore intel_rapl_perf snd_hwdep cdc_ether efivars [ 854.948111] snd_hda_core usbnet mei_me r8152 mei mii snd_pcm input_leds led_class tpm_crb binfmt_misc crypto_user efivarfs algif_skcipher af_alg mousedev joydev psmouse crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcspkr shpchp tpm_tis tpm_tis_core tpm fan thermal i8042 rng_core acpi_pad vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio atkbd libps2 [last unloaded: amdgpu] [ 854.948164] CPU: 2 PID: 6097 Comm: TaskSchedulerFo Not tainted 4.17.1-2-ph #2 [ 854.948168] Hardware name: Gigabyte Technology Co., Ltd. Z170X-UD3/Z170X-UD3-CF, BIOS F23d 12/01/2017 [ 854.948179] RIP: 0010:sysfs_kf_seq_show+0x1e/0x100 [ 854.948184] RSP: 0018:ffffadb482a07dd0 EFLAGS: 00010286 [ 854.948190] RAX: ffffffffffffffff RBX: 0000000000000000 RCX: 0000000000000001 [ 854.948194] RDX: ffff97d857e5ec00 RSI: 0000000000000001 RDI: ffff97d883e41c80 [ 854.948198] RBP: 00000000ffffffff R08: ffff97d85472e928 R09: ffff97d857e5ec00 [ 854.948202] R10: 0000000000000000 R11: 0000000000000001 R12: ffffadb482a07f08 [ 854.948206] R13: ffff97d83f71fa00 R14: 0000000000000001 R15: ffff97d883e41c80 [ 854.948211] FS: 00007fbce080f700(0000) GS:ffff97d89ed00000(0000) knlGS:0000000000000000 [ 854.948216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 854.948220] CR2: 0000000000000007 CR3: 0000000440274004 CR4: 00000000003606e0 [ 854.948224] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 854.948228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 854.948232] Call Trace: [ 854.948244] seq_read+0x166/0x460 [ 854.948252] __vfs_read+0x31/0x150 [ 854.948260] vfs_read+0x85/0x130 [ 854.948267] ksys_read+0x4a/0xb0 [ 854.948274] do_syscall_64+0x43/0xf0 [ 854.948282] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 854.948287] RIP: 0033:0x7fbcf30ff934 [ 854.948292] RSP: 002b:00007fbce080ded0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 854.948298] RAX: ffffffffffffffda RBX: 0000000000000093 RCX: 00007fbcf30ff934 [ 854.948302] RDX: 0000000000001000 RSI: 000025eba2e3b400 RDI: 0000000000000093 [ 854.948306] RBP: 000025eba2e3b400 R08: 0000000000000000 R09: 000025eba3991b40 [ 854.948310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001000 [ 854.948314] R13: 000025eba2e3b400 R14: 0000000000000d68 R15: 00007fbcf33c85c0 [ 854.948318] Code: dd ff ff eb b8 5b 5d 41 5c c3 0f 1f 00 55 53 4c 8b 4f 78 49 8b 01 48 8b 40 08 4c 8b 40 60 49 8b 40 28 48 85 c0 0f 84 b3 00 00 00 <48> 8b 68 08 48 8b 4f 18 48 8b 47 08 48 39 c1 0f 87 b1 00 00 00 [ 854.948407] RIP: sysfs_kf_seq_show+0x1e/0x100 RSP: ffffadb482a07dd0 [ 854.948410] CR2: 0000000000000007 [ 854.948416] ---[ end trace f982eed156f986a9 ]--- etc. [ 1571.019192] general protection fault: 0000 [#7] PREEMPT SMP PTI [ 1571.019195] Modules linked in: cpufreq_ondemand twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 twofish_common serpent_avx2 serpent_avx_x86_64 serpent_generic chash gpu_sched ttm msr af_packet macvtap macvlan bonding nf_log_ipv6 nf_log_ipv4 nf_log_common nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_log nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nft_limit nft_ct nf_conntrack xfrm_user xfrm_algo nft_counter cls_u32 nft_meta nft_set_bitmap nft_set_hash sch_htb nft_set_rbtree raid0 intel_pmc_core x86_pkg_temp_thermal intel_powerclamp kvm_intel vhost_net tun vhost tap kvm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi md_mod snd_hda_intel bcache snd_hda_codec efi_pstore intel_cstate intel_uncore intel_rapl_perf snd_hwdep cdc_ether [ 1571.019218] efivars snd_hda_core usbnet mei_me r8152 mei mii snd_pcm input_leds led_class tpm_crb binfmt_misc crypto_user efivarfs algif_skcipher af_alg mousedev joydev psmouse crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcspkr shpchp tpm_tis tpm_tis_core tpm fan thermal i8042 rng_core acpi_pad vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio atkbd libps2 [last unloaded: amdgpu] [ 1571.019234] CPU: 3 PID: 8349 Comm: sensors Tainted: G D 4.17.1-2-ph #2 [ 1571.019235] Hardware name: Gigabyte Technology Co., Ltd. Z170X-UD3/Z170X-UD3-CF, BIOS F23d 12/01/2017 [ 1571.019239] RIP: 0010:sysfs_kf_seq_show+0x1e/0x100 [ 1571.019240] RSP: 0018:ffffadb48258fdd0 EFLAGS: 00010206 [ 1571.019241] RAX: 20205b0a30303030 RBX: 0000000000000000 RCX: 0000000000000001 [ 1571.019242] RDX: ffff97d856debc00 RSI: 0000000000000001 RDI: ffff97d883e40080 [ 1571.019243] RBP: 00000000ffffffff R08: ffff97d83f183928 R09: ffff97d856debc00 [ 1571.019244] R10: 0000000000000000 R11: 0000000000000001 R12: ffffadb48258ff08 [ 1571.019245] R13: ffff97d83ff67800 R14: 0000000000000001 R15: ffff97d883e40080 [ 1571.019246] FS: 00007f7b8c789740(0000) GS:ffff97d89ed80000(0000) knlGS:0000000000000000 [ 1571.019247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1571.019248] CR2: 000055b25f006568 CR3: 000000040c9e8006 CR4: 00000000003606e0 [ 1571.019249] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1571.019250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1571.019251] Call Trace: [ 1571.019255] seq_read+0x166/0x460 [ 1571.019258] ? ptrace_do_notify+0x92/0xc0 [ 1571.019260] __vfs_read+0x31/0x150 [ 1571.019262] vfs_read+0x85/0x130 [ 1571.019263] ksys_read+0x4a/0xb0 [ 1571.019265] do_syscall_64+0x43/0xf0 [ 1571.019268] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1571.019269] RIP: 0033:0x7f7b8c088901 [ 1571.019270] RSP: 002b:00007ffd4b10a6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 1571.019272] RAX: ffffffffffffffda RBX: 000055b25f005330 RCX: 00007f7b8c088901 [ 1571.019273] RDX: 0000000000001000 RSI: 000055b25f005790 RDI: 0000000000000004 [ 1571.019274] RBP: 0000000000000d68 R08: 0000000000000003 R09: 0000000000000000 [ 1571.019275] R10: 000055b25effc010 R11: 0000000000000246 R12: 00007f7b8c3515c0 [ 1571.019275] R13: 00007f7b8c352100 R14: 000000000000007f R15: 000055b25f005330 [ 1571.019277] Code: dd ff ff eb b8 5b 5d 41 5c c3 0f 1f 00 55 53 4c 8b 4f 78 49 8b 01 48 8b 40 08 4c 8b 40 60 49 8b 40 28 48 85 c0 0f 84 b3 00 00 00 <48> 8b 68 08 48 8b 4f 18 48 8b 47 08 48 39 c1 0f 87 b1 00 00 00 [ 1571.019297] RIP: sysfs_kf_seq_show+0x1e/0x100 RSP: ffffadb48258fdd0 [ 1571.019299] ---[ end trace f982eed156f986af ]---
Same exact issue for me. Thanks, Sarnex
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