Backtrace

WARNING: CPU: 1 PID: 786007 at drivers/gpu/drm/nouveau/nvkm/subdev/bar/g84.c:35 g84_bar_flush+0xae/0xc0 [nouveau]
Modules linked in: uinput snd_seq_dummy snd_hrtimer rfcomm ccm nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat squashfs loop uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc iwlmvm mac80211 libarc4 snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi iwlwifi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core snd_compress snd_pcm_dmaengine soundwire_cadence snd_hda_codec snd_hda_core ac97_bus snd_hwdep snd_seq intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal snd_seq_device
 intel_powerclamp snd_pcm cfg80211 coretemp snd_timer snd kvm_intel soundcore kvm irqbypass rapl intel_cstate intel_uncore iTCO_wdt intel_pmc_bxt iTCO_vendor_support ideapad_laptop mei_hdcp at24 btusb btrtl btbcm btintel bluetooth platform_profile ecdh_generic sparse_keymap mei_me rfkill ecc mei lpc_ich joydev i2c_i801 i2c_smbus pcspkr binfmt_misc zram ip_tables i915 nouveau mxm_wmi drm_ttm_helper ttm i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul cec crc32c_intel ghash_clmulni_intel drm serio_raw r8169 wmi video fuse
CPU: 1 PID: 786007 Comm: kworker/1:0 Tainted: G        W         5.11.12-300.fc34.x86_64 #1
Hardware name: LENOVO 20287/VIUU4, BIOS 8DCN38WW 11/28/2013
Workqueue: events nouveau_cli_work [nouveau]
RIP: 0010:g84_bar_flush+0xae/0xc0 [nouveau]
Code: 8b 40 10 48 8b 78 10 4c 8b 6f 50 4d 85 ed 75 03 4c 8b 2f e8 e4 7c 1d e7 4c 89 ea 48 c7 c7 30 a1 74 c0 48 89 c6 e8 f1 78 57 e7 <0f> 0b eb b8 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00
RSP: 0018:ffffb5670a12fa68 EFLAGS: 00010096
RAX: 000000000000001d RBX: ffff947308468800 RCX: 0000000000000027
RDX: ffff94764f258ac8 RSI: 0000000000000001 RDI: ffff94764f258ac0
RBP: ffff947306fc45c8 R08: 0000000000000000 R09: ffffb5670a12f898
R10: ffffb5670a12f890 R11: ffffffffa8b27cb8 R12: 0000000000000292
R13: ffff94730118c1e0 R14: ffffb5670a12fb98 R15: ffff947437292804
FS:  0000000000000000(0000) GS:ffff94764f240000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb2f097d2c0 CR3: 000000013ff62004 CR4: 00000000001706e0
Call Trace:
 nv50_instobj_release+0x2f/0xc0 [nouveau]
 nvkm_vmm_unref_ptes+0x183/0x270 [nouveau]
 nvkm_vmm_iter.constprop.0+0x226/0x7e0 [nouveau]
 ? update_sd_lb_stats.constprop.0+0xe7/0x870
 ? sugov_update_single_freq+0x5c/0x1a0
 nvkm_vmm_put_locked+0xfd/0x260 [nouveau]
 ? nvkm_vmm_ptes_sparse+0x1c0/0x1c0 [nouveau]
 ? gf100_vmm_invalidate_pdb+0x30/0x30 [nouveau]
 nvkm_uvmm_mthd+0x3d3/0x760 [nouveau]
 nvkm_ioctl+0xdc/0x180 [nouveau]
 nvif_object_mthd+0x104/0x130 [nouveau]
 ? __update_load_avg_se+0x2c6/0x340
 ? sched_clock+0x5/0x10
 ? sched_clock_cpu+0xc/0xa0
 nvif_vmm_put+0x37/0x50 [nouveau]
 nouveau_vma_del+0x58/0xa0 [nouveau]
 nouveau_gem_object_delete_work+0x26/0x40 [nouveau]
 nouveau_cli_work+0xcc/0x120 [nouveau]
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x11b/0x140
 ? kthread_associate_blkcg+0xa0/0xa0
 ret_from_fork+0x22/0x30