On kernel 4.13.6-300.fc27.x86_64, with 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Hawaii XT GL [FirePro W9100] upon modprobe -r radeon I get: [83523.596239] [drm] radeon: finishing device. [83523.615907] [TTM] Finalizing pool allocator [83523.615910] [TTM] Finalizing DMA pool allocator [83523.615942] ------------[ cut here ]------------ [83523.615948] WARNING: CPU: 1 PID: 18632 at drivers/gpu/drm/ttm/ttm_page_alloc_dma.c:548 ttm_dma_free_pool.part.8+0x128/0x130 [ttm] [83523.615949] Modules linked in: ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables sunrpc intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm snd_hda_codec_realtek snd_hda_codec_generic irqbypass snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_seq crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_seq_device intel_cstate intel_uncore eeepc_wmi intel_rapl_perf asus_wmi snd_pcm sparse_keymap rfkill iTCO_wdt mxm_wmi iTCO_vendor_support [83523.615968] snd_timer wmi_bmof snd mei_me mei soundcore shpchp i2c_i801 lpc_ich tpm_infineon tpm_tis tpm_tis_core tpm wmi xfs libcrc32c amdgpu amdkfd i915 amd_iommu_v2 radeon(-) i2c_algo_bit drm_kms_helper ttm crc32c_intel drm r8169 mii video [83523.615978] CPU: 1 PID: 18632 Comm: modprobe Not tainted 4.13.6-300.fc27.x86_64 #1 [83523.615978] Hardware name: ASUS All Series/Z87-A, BIOS 1602 10/29/2013 [83523.615979] task: ffff948aebd84c80 task.stack: ffffa04ea4cf8000 [83523.615982] RIP: 0010:ttm_dma_free_pool.part.8+0x128/0x130 [ttm] [83523.615982] RSP: 0018:ffffa04ea4cfbc40 EFLAGS: 00010202 [83523.615983] RAX: 0000000000000202 RBX: ffff948ed5b6d540 RCX: 0000000000000000 [83523.615984] RDX: 0000000100400002 RSI: ffffdab5d0562e40 RDI: ffffa04ea4cfbbf0 [83523.615984] RBP: ffffa04ea4cfbc58 R08: ffff948ed58b9080 R09: 0000000100400001 [83523.615985] R10: ffffa04ea4cfbb40 R11: 0000000000000000 R12: ffff948edce2e2e0 [83523.615985] R13: 0000000000000008 R14: ffffffffc043e1e8 R15: ffff948edd148100 [83523.615986] FS: 00007efc655aa740(0000) GS:ffff948eefa40000(0000) knlGS:0000000000000000 [83523.615987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [83523.615987] CR2: 000055e3e6293030 CR3: 00000003f194c000 CR4: 00000000001406e0 [83523.615988] Call Trace: [83523.615992] ttm_dma_page_alloc_fini+0x84/0xf0 [ttm] [83523.615994] ttm_mem_global_release+0x19/0x90 [ttm] [83523.616017] radeon_ttm_mem_global_release+0x12/0x20 [radeon] [83523.616026] drm_global_item_unref+0x4c/0x70 [drm] [83523.616035] radeon_ttm_fini+0x133/0x1a0 [radeon] [83523.616044] radeon_bo_fini+0x12/0x40 [radeon] [83523.616057] cik_fini+0xca/0xf0 [radeon] [83523.616065] radeon_device_fini+0x35/0x110 [radeon] [83523.616072] radeon_driver_unload_kms+0x4b/0x80 [radeon] [83523.616077] drm_dev_unregister+0x3c/0xe0 [drm] [83523.616083] drm_put_dev+0x32/0x60 [drm] [83523.616089] radeon_pci_remove+0x15/0x20 [radeon] [83523.616092] pci_device_remove+0x39/0xb0 [83523.616094] device_release_driver_internal+0x158/0x210 [83523.616095] driver_detach+0x38/0x70 [83523.616096] bus_remove_driver+0x59/0xd0 [83523.616097] driver_unregister+0x2c/0x40 [83523.616098] pci_unregister_driver+0x22/0xb0 [83523.616103] drm_pci_exit+0xbb/0xc0 [drm] [83523.616115] radeon_exit+0x1c/0x43 [radeon] [83523.616116] SyS_delete_module+0x1a8/0x2b0 [83523.616118] ? exit_to_usermode_loop+0x91/0xb0 [83523.616120] entry_SYSCALL_64_fastpath+0x1a/0xa5 [83523.616121] RIP: 0033:0x7efc64a93917 [83523.616122] RSP: 002b:00007ffdd5e175f8 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [83523.616123] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efc64a93917 [83523.616123] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000564a18d45ea8 [83523.616123] RBP: 0000000000000000 R08: 00007ffdd5e165a1 R09: 0000000000000000 [83523.616124] R10: 00007efc64b0cbc0 R11: 0000000000000206 R12: 0000564a18d45e40 [83523.616124] R13: 00007ffdd5e16610 R14: 0000564a18d45ea8 R15: 00007ffdd5e189e0 [83523.616125] Code: 00 ad de 48 89 df 48 89 03 48 05 00 01 00 00 48 89 43 08 e8 7b 35 f6 da 48 8b 3d 14 63 00 00 e8 af 46 5b db 5b 41 5c 41 5d 5d c3 <0f> ff eb b0 0f 1f 40 00 0f 1f 44 00 00 48 8b 06 48 85 c0 74 13 [83523.616141] ---[ end trace 64292c2a3a933def ]--- [83523.616779] [TTM] Zone kernel: Used memory at exit: 2080 kiB [83523.616781] [TTM] Zone dma32: Used memory at exit: 24 kiB [83523.616782] [drm] radeon: ttm finalized [83523.642072] [drm] Module unloaded This doesn't depend on whether the GPU experienced VM errors prior to modprobe -r.
Mhm, please attach the full dmesg. Is that a regression?
Created attachment 134926 [details] dmesg
Not sure if it's a regression, but I can check older kernels if you want me to.
Fixed with yesterday's or today's commits.
Whoops, wrong bug.
Still the case in Fedora rawhide with kernel 4.15.0-0.rc7.git0.1.fc28.x86_64 [ 2582.430297] [drm] radeon: finishing device. [ 2582.445874] [TTM] Finalizing pool allocator [ 2582.445877] [TTM] Finalizing DMA pool allocator [ 2582.445912] WARNING: CPU: 2 PID: 2446 at drivers/gpu/drm/ttm/ttm_page_alloc_dma.c:565 ttm_dma_free_pool.part.9+0x11c/0x120 [ttm] [ 2582.445913] Modules linked in: ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables sunrpc intel_rapl x86_pkg_temp_thermal snd_hda_codec_realtek intel_powerclamp snd_hda_codec_generic coretemp snd_hda_codec_hdmi snd_hda_intel snd_hda_codec kvm_intel kvm snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd iTCO_wdt wmi_bmof irqbypass eeepc_wmi asus_wmi sparse_keymap rfkill iTCO_vendor_support crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate [ 2582.445930] intel_uncore mxm_wmi intel_rapl_perf soundcore mei_me mei i2c_i801 shpchp lpc_ich wmi xfs libcrc32c amdgpu chash i915 radeon(-) i2c_algo_bit drm_kms_helper ttm r8169 drm crc32c_intel mii video [ 2582.445937] CPU: 2 PID: 2446 Comm: modprobe Not tainted 4.15.0-0.rc7.git0.1.fc28.x86_64 #1 [ 2582.445938] Hardware name: ASUS All Series/Z87-A, BIOS 1602 10/29/2013 [ 2582.445941] RIP: 0010:ttm_dma_free_pool.part.9+0x11c/0x120 [ttm] [ 2582.445941] RSP: 0018:ffffb1d8029afd40 EFLAGS: 00010202 [ 2582.445942] RAX: 0000000000000202 RBX: ffff8cda93b27540 RCX: 0000000000000000 [ 2582.445942] RDX: 0000000180400001 RSI: fffff7c0104eca80 RDI: ffffb1d8029afcf0 [ 2582.445943] RBP: ffff8cda9ce482d8 R08: ffff8cda93b2a900 R09: 0000000180400000 [ 2582.445943] R10: ffffb1d8029afbc0 R11: 0000000000000000 R12: 0000000000000008 [ 2582.445943] R13: ffffffffc046f1d0 R14: ffff8cda9d193100 R15: ffffffffc046f160 [ 2582.445944] FS: 00007f4991aca0c0(0000) GS:ffff8cdaafa80000(0000) knlGS:0000000000000000 [ 2582.445945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2582.445945] CR2: 00007fff854e7968 CR3: 00000003a6dbe002 CR4: 00000000001606e0 [ 2582.445946] Call Trace: [ 2582.445950] ttm_dma_page_alloc_fini+0x7d/0xf0 [ttm] [ 2582.445952] ttm_mem_global_release+0x14/0x80 [ttm] [ 2582.445963] drm_global_item_unref+0x44/0x60 [drm] [ 2582.445976] radeon_ttm_fini+0x12b/0x190 [radeon] [ 2582.445984] radeon_bo_fini+0xe/0x30 [radeon] [ 2582.445996] cik_fini+0xc6/0xf0 [radeon] [ 2582.446002] radeon_device_fini+0x31/0x110 [radeon] [ 2582.446007] radeon_driver_unload_kms+0x3e/0x70 [radeon] [ 2582.446013] drm_dev_unregister+0x3c/0xe0 [drm] [ 2582.446018] drm_put_dev+0x2e/0x60 [drm] [ 2582.446020] pci_device_remove+0x36/0xb0 [ 2582.446023] device_release_driver_internal+0x157/0x220 [ 2582.446024] driver_detach+0x32/0x60 [ 2582.446025] bus_remove_driver+0x51/0xd0 [ 2582.446026] pci_unregister_driver+0x22/0xa0 [ 2582.446036] radeon_exit+0xc/0x64 [radeon] [ 2582.446038] SyS_delete_module+0x1a1/0x2b0 [ 2582.446040] ? exit_to_usermode_loop+0x8a/0xa0 [ 2582.446042] entry_SYSCALL_64_fastpath+0x1a/0x7d [ 2582.446043] RIP: 0033:0x7f4990fc8a17 [ 2582.446043] RSP: 002b:00007fff854eaa98 EFLAGS: 00000206 [ 2582.446044] Code: 00 00 00 00 ad de 48 89 df 48 89 03 48 05 00 01 00 00 48 89 43 08 e8 24 7d 09 e8 5b 5d 41 5c 48 8b 3d 99 b8 00 00 e9 b4 e7 6d e8 <0f> ff eb b3 0f 1f 44 00 00 48 8b 06 48 85 c0 74 0d 48 85 ff 74 [ 2582.446057] ---[ end trace f3849642451d16df ]--- [ 2582.446223] [TTM] Zone kernel: Used memory at exit: 2080 kiB [ 2582.446225] [TTM] Zone dma32: Used memory at exit: 24 kiB [ 2582.446225] [drm] radeon: ttm finalized
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