<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Loading amdgpu hits general protection fault: 0000 [#1] SMP NOPTI" href="https://bugs.freedesktop.org/show_bug.cgi?id=105684#c15">Comment # 15</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Loading amdgpu hits general protection fault: 0000 [#1] SMP NOPTI" href="https://bugs.freedesktop.org/show_bug.cgi?id=105684">bug 105684</a> from <a class="email" href="mailto:jian-hong@endlessm.com" title="jian-hong@endlessm.com">jian-hong@endlessm.com</a> <pre>Created <a href="attachment.cgi?id=138692" name="attach_138692" title="tested with Linux kernel 4.16+ (commit f8cf2f16a7c95acce497bfafa90e7c6d8397d653)">attachment 138692</a> <a href="attachment.cgi?id=138692&action=edit" title="tested with Linux kernel 4.16+ (commit f8cf2f16a7c95acce497bfafa90e7c6d8397d653)">[details]</a> tested with Linux kernel 4.16+ (commit f8cf2f16a7c95acce497bfafa90e7c6d8397d653) I have tried Linux kernel 4.16+ (commit f8cf2f16a7c95acce497bfafa90e7c6d8397d653) and load amdgpu module manually. The error becomes different: "system will hit the NULL pointer dereference at 0000000000000018" during loading amdgpu module. [ 26.715245] [drm] use_doorbell being set to: [true] [ 26.730536] [drm] Found VCN firmware Version: 1.45 Family ID: 18 [ 26.894292] amdgpu: [powerplay] dpm has been enabled [ 26.896020] [drm] Display Core initialized with v3.1.38! [ 26.896269] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 [ 26.896274] PGD 0 P4D 0 [ 26.896277] Oops: 0000 [#1] SMP NOPTI [ 26.896280] Modules linked in: amdkfd amd_iommu_v2 amdgpu(+) chash gpu_sched ttm drm_kms_helper drm i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt efi_pstore cmac bnep edac_mce_amd kvm_amd arc4 ccp kvm irqbypass crct10dif_pclmul crc32_pclmul snd_hda_codec_realtek ghash_clmulni_intel snd_hda_codec_generic btusb pcbc snd_hda_codec_hdmi input_leds snd_hda_intel btrtl btbcm btintel bluetooth ecdh_generic snd_hda_codec aesni_intel snd_hda_core ath10k_pci ath10k_core wmi_bmof snd_hwdep aes_x86_64 crypto_simd cryptd r8169 glue_helper snd_pcm ath mac80211 sparse_keymap cfg80211 snd_timer snd mii wmi soundcore psmouse shpchp i2c_piix4 mac_hid video zram ip_tables x_tables hid_generic serio_raw uas ahci usb_storage libahci usbhid hid [ 26.896324] CPU: 5 PID: 752 Comm: modprobe Not tainted 4.16.0+ #10 [ 26.896326] Hardware name: Acer Aspire TC-380/Aspire TC-380, BIOS D05 02/01/2018 [ 26.896331] RIP: 0010:klist_node_init+0x1c/0x40 [ 26.896333] RSP: 0018:ffffb89e823ef6e0 EFLAGS: 00010246 [ 26.896335] RAX: ffff8bd9732e66f0 RBX: 0000000000000000 RCX: 000000000000121c [ 26.896337] RDX: 000000000000121b RSI: ffff8bd9732e66e8 RDI: 0000000000000000 [ 26.896339] RBP: ffffb89e823ef6f8 R08: 00000000000271a0 R09: 00000000fffffffe [ 26.896341] R10: ffffee228fccbe00 R11: ffff8bd9732fa000 R12: ffff8bd9732e66e8 [ 26.896343] R13: 0000000000000000 R14: ffff8bd98795c000 R15: ffff8bd98d4ef600 [ 26.896346] FS: 00007f75665d7700(0000) GS:ffff8bd99ed40000(0000) knlGS:0000000000000000 [ 26.896348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.896350] CR2: 0000000000000018 CR3: 00000003f7986000 CR4: 00000000003406e0 [ 26.896352] Call Trace: [ 26.896355] ? klist_add_tail+0x18/0x50 [ 26.896360] device_add+0x38d/0x640 [ 26.896363] device_create_groups_vargs+0xe0/0xf0 [ 26.896366] device_create_with_groups+0x3f/0x60 [ 26.896370] ? fb_get_options+0x26/0x180 [ 26.896382] drm_sysfs_connector_add+0x59/0xa0 [drm] [ 26.896392] drm_connector_register.part.9+0x4b/0xb0 [drm] [ 26.896402] drm_connector_register+0x1a/0x20 [drm] [ 26.896455] dm_hw_init+0x854/0xe50 [amdgpu] [ 26.896491] amdgpu_device_init+0x13c5/0x1490 [amdgpu] [ 26.896526] amdgpu_driver_load_kms+0x8b/0x2c0 [amdgpu] [ 26.896535] drm_dev_register+0x149/0x1e0 [drm] [ 26.896571] amdgpu_pci_probe+0x13f/0x1f0 [amdgpu] [ 26.896574] local_pci_probe+0x4a/0xa0 [ 26.896577] pci_device_probe+0x109/0x1b0 [ 26.896580] driver_probe_device+0x2bb/0x4a0 [ 26.896582] __driver_attach+0xe2/0xf0 [ 26.896584] ? driver_probe_device+0x4a0/0x4a0 [ 26.896587] bus_for_each_dev+0x6a/0xc0 [ 26.896590] ? kmem_cache_alloc_trace+0x1c4/0x1d0 [ 26.896592] driver_attach+0x1e/0x20 [ 26.896594] bus_add_driver+0x170/0x260 [ 26.896596] driver_register+0x60/0xe0 [ 26.896599] ? 0xffffffffc0c04000 [ 26.896601] __pci_register_driver+0x5a/0x60 [ 26.896636] amdgpu_init+0x7a/0x89 [amdgpu] [ 26.896639] do_one_initcall+0x55/0x19d [ 26.896642] ? __vunmap+0x81/0xb0 [ 26.896644] ? _cond_resched+0x1a/0x50 [ 26.896646] ? kmem_cache_alloc_trace+0xbb/0x1d0 [ 26.896650] ? do_init_module+0x27/0x219 [ 26.896653] do_init_module+0x5f/0x219 [ 26.896655] load_module+0x260e/0x2e10 [ 26.896659] SYSC_finit_module+0xe5/0x120 [ 26.896662] ? SYSC_finit_module+0xe5/0x120 [ 26.896665] SyS_finit_module+0xe/0x10 [ 26.896667] do_syscall_64+0x73/0x130</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>