Hi Xinhui,
since this commit, amdgpu_ras_init runs on my development system with Bonaire, and generates the attached BUG and lock debug warning reports. Before this commit, amdgpu_ras_init returned early, because RAS isn't supported. There's no mention of this change of behaviour in the commit log, and it doesn't seem related to checking a VBIOS table for ECC capability. Was it intended? P.S. AFAICT this patch wasn't submitted to the amd-gfx list for review. All changes must be reviewed here before being applied to amd-staging-drm-next. -- Earthling Michel Dänzer | https://www.amd.com Libre software enthusiast | Mesa and X developer
Mar 8 07:35:57 kaveri kernel: [ 7.250187] BUG: key ffff88837b9e0040 not in .data! Mar 8 07:35:57 kaveri kernel: [ 7.250189] ------------[ cut here ]------------ Mar 8 07:35:57 kaveri kernel: [ 7.250190] DEBUG_LOCKS_WARN_ON(1) Mar 8 07:35:57 kaveri kernel: [ 7.250199] WARNING: CPU: 2 PID: 450 at kernel/locking/lockdep.c:3129 lockdep_init_map.cold.44+0x9a/0xb6 Mar 8 07:35:57 kaveri kernel: [ 7.250200] Modules linked in: amdgpu(OE+) binfmt_misc(E) chash(OE) gpu_sched(OE) nls_ascii(E) nls_cp437(E) vfat(E) fat(E) edac_mce_amd(E) kvm(E) irqbypass(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) radeon(OE) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) ledtrig_audio(E) snd_hda_codec_hdmi(E) ttm(OE) snd_hda_intel(E) drm_kms_helper(OE) snd_hda_codec(E) efi_pstore(E) snd_hda_core(E) drm(OE) realtek(E) snd_hwdep(E) aesni_intel(E) snd_pcm(E) snd_timer(E) aes_x86_64(E) i2c_algo_bit(E) r8169(E) crypto_simd(E) fb_sys_fops(E) ccp(E) sp5100_tco(E) snd(E) syscopyarea(E) cryptd(E) sysfillrect(E) wmi_bmof(E) glue_helper(E) efivars(E) pcspkr(E) sg(E) soundcore(E) rng_core(E) i2c_piix4(E) sysimgblt(E) k10temp(E) libphy(E) wmi(E) pcc_cpufreq(E) button(E) acpi_cpufreq(E) tcp_bbr(E) sch_fq(E) nct6775(E) hwmon_vid(E) sunrpc(E) efivarfs(E) ip_tables(E) x_tables(E) autofs4(E) ext4(E) crc32c_generic(E) crc16(E) mbcache(E) jbd2(E) fscrypto(E) dm_mod(E) raid10(E) raid1(E) raid0(E) Mar 8 07:35:57 kaveri kernel: [ 7.250237] multipath(E) linear(E) md_mod(E) sd_mod(E) evdev(E) hid_generic(E) usbhid(E) hid(E) ahci(E) libahci(E) xhci_pci(E) crc32c_intel(E) libata(E) xhci_hcd(E) usbcore(E) scsi_mod(E) gpio_amdpt(E) gpio_generic(E) Mar 8 07:35:57 kaveri kernel: [ 7.250249] CPU: 2 PID: 450 Comm: systemd-udevd Tainted: G OE 5.0.0-rc1-00651-g4a93cf78b903 #121 Mar 8 07:35:57 kaveri kernel: [ 7.250250] Hardware name: Micro-Star International Co., Ltd. MS-7A34/B350 TOMAHAWK (MS-7A34), BIOS 1.80 09/13/2017 Mar 8 07:35:57 kaveri kernel: [ 7.250253] RIP: 0010:lockdep_init_map.cold.44+0x9a/0xb6 Mar 8 07:35:57 kaveri kernel: [ 7.250255] Code: c0 03 38 d0 7c 04 84 d2 75 35 83 3d 78 c8 4a 02 00 0f 85 66 56 ff ff 48 c7 c6 40 8a a7 8a 48 c7 c7 c0 89 a7 8a e8 16 e2 ec ff <0f> 0b e9 4c 56 ff ff 48 c7 c7 40 e2 d4 8c e8 28 cd 44 00 eb 85 e8 Mar 8 07:35:57 kaveri kernel: [ 7.250257] RSP: 0018:ffff888372fdf050 EFLAGS: 00010286 Mar 8 07:35:57 kaveri kernel: [ 7.250259] RAX: 0000000000000000 RBX: ffff88836d4e5188 RCX: ffffffff89061a74 Mar 8 07:35:57 kaveri kernel: [ 7.250260] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8b5049b8 Mar 8 07:35:57 kaveri kernel: [ 7.250261] RBP: ffffffff8cd4e240 R08: fffffbfff161ea7d R09: fffffbfff161ea7c Mar 8 07:35:57 kaveri kernel: [ 7.250263] R10: fffffbfff161ea7c R11: ffffffff8b0f53e3 R12: ffff88837b9e0040 Mar 8 07:35:57 kaveri kernel: [ 7.250264] R13: 0000000000000000 R14: ffff88836d4e4ee0 R15: 0000000000000000 Mar 8 07:35:57 kaveri kernel: [ 7.250266] FS: 00007fccb9a67d40(0000) GS:ffff88837de80000(0000) knlGS:0000000000000000 Mar 8 07:35:57 kaveri kernel: [ 7.250267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Mar 8 07:35:57 kaveri kernel: [ 7.250268] CR2: 00007f75f19de028 CR3: 0000000372f44000 CR4: 00000000003406e0 Mar 8 07:35:57 kaveri kernel: [ 7.250269] Call Trace: Mar 8 07:35:57 kaveri kernel: [ 7.250275] __kernfs_create_file+0xf9/0x2d0 Mar 8 07:35:57 kaveri kernel: [ 7.250278] sysfs_add_file_mode_ns+0x1b2/0x4f0 Mar 8 07:35:57 kaveri kernel: [ 7.250283] internal_create_group+0x2a4/0xa20 Mar 8 07:35:57 kaveri kernel: [ 7.250287] ? remove_files.isra.1+0x170/0x170 Mar 8 07:35:57 kaveri kernel: [ 7.250291] ? rcu_read_lock_sched_held+0xd8/0x110 Mar 8 07:35:57 kaveri kernel: [ 7.250383] ? amdgpu_ras_create_obj+0x211/0x390 [amdgpu] Mar 8 07:35:57 kaveri kernel: [ 7.250470] ? __amdgpu_ras_feature_enable+0x313/0x4f0 [amdgpu] Mar 8 07:35:57 kaveri kernel: [ 7.250473] ? is_module_address+0xa/0x20 Mar 8 07:35:57 kaveri kernel: [ 7.250475] ? static_obj+0x2d/0x50 Mar 8 07:35:57 kaveri kernel: [ 7.250562] amdgpu_ras_init+0x6f9/0xaa0 [amdgpu] Mar 8 07:35:57 kaveri kernel: [ 7.250649] ? amdgpu_ras_reserve_bad_pages+0xa20/0xa20 [amdgpu] Mar 8 07:35:57 kaveri kernel: [ 7.250654] ? idr_alloc_u32+0x2a0/0x2a0 Mar 8 07:35:57 kaveri kernel: [ 7.250674] ? drm_property_create+0x24e/0x430 [drm] Mar 8 07:35:57 kaveri kernel: [ 7.250770] amdgpu_device_init.cold.33+0x3bc9/0x51ec [amdgpu] Mar 8 07:35:57 kaveri kernel: [ 7.250855] ? amdgpu_device_has_dc_support+0x50/0x50 [amdgpu] Mar 8 07:35:57 kaveri kernel: [ 7.338883] ? rcu_read_lock_sched_held+0xd8/0x110 Mar 8 07:35:57 kaveri kernel: [ 7.338886] ? __alloc_pages_nodemask+0x524/0x5e0 Mar 8 07:35:57 kaveri kernel: [ 7.338889] ? pointer+0x650/0x650 Mar 8 07:35:57 kaveri kernel: [ 7.338892] ? __alloc_pages_slowpath+0x2230/0x2230 Mar 8 07:35:57 kaveri kernel: [ 7.338895] ? __lock_is_held+0xad/0x140 Mar 8 07:35:57 kaveri kernel: [ 7.338973] ? amdgpu_driver_load_kms+0x105/0xb00 [amdgpu] Mar 8 07:35:57 kaveri kernel: [ 7.338977] ? rcu_read_lock_sched_held+0xd8/0x110 Mar 8 07:35:57 kaveri kernel: [ 7.352447] amdgpu_driver_load_kms+0x1aa/0xb00 [amdgpu] Mar 8 07:35:57 kaveri kernel: [ 7.352530] ? amdgpu_driver_unload_kms+0x430/0x430 [amdgpu] Mar 8 07:35:57 kaveri kernel: [ 7.356375] ? __kasan_slab_free+0x13f/0x170 Mar 8 07:35:57 kaveri kernel: [ 7.356393] drm_dev_register+0x311/0x4e0 [drm] Mar 8 07:35:57 kaveri kernel: [ 7.356477] amdgpu_pci_probe+0x144/0x200 [amdgpu] Mar 8 07:35:57 kaveri kernel: [ 7.362434] ? amdgpu_pci_remove+0x90/0x90 [amdgpu] Mar 8 07:35:57 kaveri kernel: [ 7.364436] local_pci_probe+0xd4/0x180 Mar 8 07:35:57 kaveri kernel: [ 7.366503] pci_device_probe+0x4b1/0x570 Mar 8 07:35:57 kaveri kernel: [ 7.366507] ? pci_device_remove+0x290/0x290 Mar 8 07:35:57 kaveri kernel: [ 7.366515] really_probe+0x231/0x9f0 Mar 8 07:35:57 kaveri kernel: [ 7.366519] ? driver_probe_device+0x2f0/0x2f0 Mar 8 07:35:57 kaveri kernel: [ 7.366521] driver_probe_device+0x1c7/0x2f0 Mar 8 07:35:57 kaveri kernel: [ 7.366525] ? driver_probe_device+0x2f0/0x2f0 Mar 8 07:35:57 kaveri kernel: [ 7.378288] __driver_attach+0x22c/0x2c0 Mar 8 07:35:57 kaveri kernel: [ 7.378291] bus_for_each_dev+0x11c/0x1b0 Mar 8 07:35:57 kaveri kernel: [ 7.378294] ? lock_downgrade+0x5d0/0x5d0 Mar 8 07:35:57 kaveri kernel: [ 7.378296] ? subsys_dev_iter_exit+0x10/0x10 Mar 8 07:35:57 kaveri kernel: [ 7.378301] bus_add_driver+0x397/0x650 Mar 8 07:35:57 kaveri kernel: [ 7.378306] driver_register+0x18e/0x310 Mar 8 07:35:57 kaveri kernel: [ 7.378309] ? 0xffffffffc0ef8000 Mar 8 07:35:57 kaveri kernel: [ 7.391834] do_one_initcall+0xa9/0x3c5 Mar 8 07:35:57 kaveri kernel: [ 7.391837] ? perf_trace_initcall_level+0x450/0x450 Mar 8 07:35:57 kaveri kernel: [ 7.391840] ? kasan_unpoison_shadow+0x35/0x40 Mar 8 07:35:57 kaveri kernel: [ 7.391842] ? kasan_unpoison_shadow+0x35/0x40 Mar 8 07:35:57 kaveri kernel: [ 7.391846] do_init_module+0x1f2/0x710 Mar 8 07:35:57 kaveri kernel: [ 7.391849] load_module+0x7d70/0x9320 Mar 8 07:35:57 kaveri kernel: [ 7.391861] ? module_frob_arch_sections+0x20/0x20 Mar 8 07:35:57 kaveri kernel: [ 7.391865] ? vfs_read+0x256/0x2e0 Mar 8 07:35:57 kaveri kernel: [ 7.406572] ? kernel_read+0x90/0x130 Mar 8 07:35:57 kaveri kernel: [ 7.406575] ? kernel_read_file+0x213/0x4f0 Mar 8 07:35:57 kaveri kernel: [ 7.406585] ? __do_sys_finit_module+0x11a/0x1b0 Mar 8 07:35:57 kaveri kernel: [ 7.406587] __do_sys_finit_module+0x11a/0x1b0 Mar 8 07:35:57 kaveri kernel: [ 7.406589] ? __ia32_sys_init_module+0xa0/0xa0 Mar 8 07:35:57 kaveri kernel: [ 7.406594] ? syscall_trace_enter+0x490/0xcc0 Mar 8 07:35:57 kaveri kernel: [ 7.414960] ? do_syscall_64+0x18/0x3d0 Mar 8 07:35:57 kaveri kernel: [ 7.414963] do_syscall_64+0x9c/0x3d0 Mar 8 07:35:57 kaveri kernel: [ 7.414966] entry_SYSCALL_64_after_hwframe+0x49/0xbe Mar 8 07:35:57 kaveri kernel: [ 7.414968] RIP: 0033:0x7fccba2522a9 Mar 8 07:35:57 kaveri kernel: [ 7.414970] Code: 00 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 6b 0c 00 f7 d8 64 89 01 48 Mar 8 07:35:57 kaveri kernel: [ 7.414971] RSP: 002b:00007ffe722be5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 Mar 8 07:35:57 kaveri kernel: [ 7.414973] RAX: ffffffffffffffda RBX: 00005580a025ae60 RCX: 00007fccba2522a9 Mar 8 07:35:57 kaveri kernel: [ 7.414974] RDX: 0000000000000000 RSI: 00005580a024fdf0 RDI: 0000000000000013 Mar 8 07:35:57 kaveri kernel: [ 7.414975] RBP: 00005580a024fdf0 R08: 0000000000000000 R09: 0000000000000000 Mar 8 07:35:57 kaveri kernel: [ 7.414976] R10: 0000000000000013 R11: 0000000000000246 R12: 0000000000000000 Mar 8 07:35:57 kaveri kernel: [ 7.414977] R13: 00005580a0298520 R14: 0000000000020000 R15: 00005580a025ae60 Mar 8 07:35:57 kaveri kernel: [ 7.414982] irq event stamp: 259905 Mar 8 07:35:57 kaveri kernel: [ 7.430273] hardirqs last enabled at (259905): [<ffffffff8907d564>] vprintk_emit+0x384/0x3d0 Mar 8 07:35:57 kaveri kernel: [ 7.430276] hardirqs last disabled at (259904): [<ffffffff8907d40d>] vprintk_emit+0x22d/0x3d0 Mar 8 07:35:57 kaveri kernel: [ 7.430278] softirqs last enabled at (259372): [<ffffffff8a8005d4>] __do_softirq+0x5d4/0x86e Mar 8 07:35:57 kaveri kernel: [ 7.430281] softirqs last disabled at (259365): [<ffffffff88f3c022>] irq_exit+0x1a2/0x1d0
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