Ciao a tutti come da titolo contntinuo a avere questo errore :
------------ cut here ]------------
11.757493] refcount_t: underflow; use-after-free.
11.757563] WARNING: CPU: 0 PID: 413 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0
11.757564] Modules linked in: nvidia_drm(POE) nvidia_modeset(POE) nvidia_uvm(OE) nvidia(POE) snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep edac_mce_amd joydev snd_seq snd_seq_device kvm_amd snd_pcm snd_timer ccp kvm drm_kms_helper snd irqbypass drm ppdev soundcore ipmi_devintf ipmi_msghandler crct10dif_pclmul crc32_pclmul wmi_bmof pcspkr ghash_clmulni_intel parport_pc parport sp5100_tco k10temp i2c_piix4 fam15h_power acpi_cpufreq ip_tables ata_generic pata_acpi crc32c_intel serio_raw pata_atiixp r8169 wmi fuse
11.757605] CPU: 0 PID: 413 Comm: plymouthd Tainted: P OE 5.5.7-200.fc31.x86_64 #1
11.757610] Hardware name: Gigabyte Technology Co., Ltd. GA-78LMT-USB3 R2/GA-78LMT-USB3 R2, BIOS F1 11/08/2017
11.757615] RIP: 0010:refcount_warn_saturate+0xa6/0xf0
11.757619] Code: 05 ee 07 2e 01 01 e8 6b 90 bc ff 0f 0b c3 80 3d dc 07 2e 01 00 75 95 48 c7 c7 c0 96 3c ad c6 05 cc 07 2e 01 01 e8 4c 90 bc ff <0f> 0b c3 80 3d bb 07 2e 01 00 0f 85 72 ff ff ff 48 c7 c7 18 97 3c
11.757621] RSP: 0018:ffffa7bfc0423cb8 EFLAGS: 00010286
11.757623] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000007
11.757625] RDX: 0000000000000007 RSI: 0000000000000086 RDI: ffff9158e6c19cc0
11.757626] RBP: ffff9158df5054e8 R08: 00000000000003b9 R09: 0000000000000003
11.757628] R10: 0000000000000000 R11: 0000000000000001 R12: ffff9158e54e5ae8
11.757629] R13: ffff9158e54e5800 R14: 0000000000000008 R15: 0000000000000000
11.757632] FS: 00007f373b26ff00(0000) GS:ffff9158e6c00000(0000) knlGS:0000000000000000
11.757634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
11.757636] CR2: 00007f372de01130 CR3: 000000021de20000 CR4: 00000000000406f0
11.757638] Call Trace:
11.757650] nv_drm_atomic_helper_disable_all+0xec/0x290 [nvidia_drm]
11.757659] nv_drm_master_drop+0x22/0x60 [nvidia_drm]
11.757700] drm_drop_master+0x1e/0x30 [drm]
11.757729] drm_dropmaster_ioctl+0x4c/0x90 [drm]
11.757759] ? drm_setmaster_ioctl+0xb0/0xb0 [drm]
11.757788] drm_ioctl_kernel+0xaa/0xf0 [drm]
11.757831] drm_ioctl+0x208/0x390 [drm]
11.757861] ? drm_setmaster_ioctl+0xb0/0xb0 [drm]
11.757866] ? __handle_mm_fault+0x1256/0x15d0
11.757872] ? selinux_file_ioctl+0x174/0x220
11.757876] do_vfs_ioctl+0x461/0x6d0
11.757880] ksys_ioctl+0x5e/0x90
11.757883] __x64_sys_ioctl+0x16/0x20
11.757888] do_syscall_64+0x5b/0x1c0
11.757894] entry_SYSCALL_64_after_hwframe+0x44/0xa9
11.757897] RIP: 0033:0x7f373b11838b
11.757900] Code: 0f 1e fa 48 8b 05 fd 9a 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d cd 9a 0c 00 f7 d8 64 89 01 48
11.757902] RSP: 002b:00007ffc96256bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
11.757905] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f373b11838b
11.757906] RDX: 0000000000000000 RSI: 000000000000641f RDI: 0000000000000009
11.757908] RBP: 000000000000641f R08: 00005573b93ef380 R09: 00007f373b161b90
11.757909] R10: 0000000000000000 R11: 0000000000000246 R12: 00005573b93f0030
11.757911] R13: 0000000000000009 R14: 0000000000000000 R15: 0000000000000000
11.757915] --- end trace 765c97a8568bb93d ]---cpu amd 8350-fx è nvidia 730gt con i driver rpmfusion , fino al kernel 5.4.20 ha sempre funzionato bene tutto , infatti stò usando questo. è capitato anche a qualche altro utente un errore simile ? Grazie in anticipo per eventuali risposte 
edit: ho sbagliato versione ho fedora 31 non 30 , come faccio a spostare il post ? Grazie