[bugreport 5.9-rc8] general protection fault, probably for non-canonical address 0x46b1b0f0d8856e4a: 0000 [#1] SMP NOPTI

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Paolo, Jens I am sorry for the noise.
But today I hit the kernel panic and git blame said that you have
created the file in which happened panic (this I saw from trace)

$ /usr/src/kernels/`uname -r`/scripts/faddr2line
/lib/debug/lib/modules/`uname -r`/vmlinux
__bfq_deactivate_entity+0x15a
__bfq_deactivate_entity+0x15a/0x240:
bfq_gt at block/bfq-wf2q.c:20
(inlined by) bfq_insert at block/bfq-wf2q.c:381
(inlined by) bfq_idle_insert at block/bfq-wf2q.c:621
(inlined by) __bfq_deactivate_entity at block/bfq-wf2q.c:1203

https://github.com/torvalds/linux/blame/master/block/bfq-wf2q.c#L1203

$ head /sys/block/*/queue/scheduler
==> /sys/block/nvme0n1/queue/scheduler <==
[none] mq-deadline kyber bfq

==> /sys/block/sda/queue/scheduler <==
mq-deadline kyber [bfq] none

==> /sys/block/zram0/queue/scheduler <==
none

Trace:
general protection fault, probably for non-canonical address
0x46b1b0f0d8856e4a: 0000 [#1] SMP NOPTI
CPU: 27 PID: 1018 Comm: kworker/27:1H Tainted: G        W
--------- ---  5.9.0-0.rc8.28.fc34.x86_64 #1
Hardware name: System manufacturer System Product Name/ROG STRIX
X570-I GAMING, BIOS 2606 08/13/2020
Workqueue: kblockd blk_mq_run_work_fn
RIP: 0010:__bfq_deactivate_entity+0x15a/0x240
Code: 48 2b 41 28 48 85 c0 7e 05 49 89 5c 24 18 49 8b 44 24 08 4d 8d
74 24 08 48 85 c0 0f 84 d6 00 00 00 48 8b 7b 28 eb 03 48 89 c8 <48> 8b
48 28 48 8d 70 10 48 8d 50 08 48 29 f9 48 85 c9 48 0f 4f d6
RSP: 0018:ffffadf6c0c6fc00 EFLAGS: 00010002
RAX: 46b1b0f0d8856e4a RBX: ffff8dc2773b5c88 RCX: 46b1b0f0d8856e4a
RDX: ffff8dc7d02ed0a0 RSI: ffff8dc7d02ed0a8 RDI: 0000584e64e96beb
RBP: ffff8dc2773b5c00 R08: ffff8dc9054cb938 R09: 0000000000000000
R10: 0000000000000018 R11: 0000000000000018 R12: ffff8dc904927150
R13: 0000000000000001 R14: ffff8dc904927158 R15: ffff8dc2773b5c88
FS:  0000000000000000(0000) GS:ffff8dc90e0c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000003e8ebe4000 CR3: 00000007c2546000 CR4: 0000000000350ee0
Call Trace:
 bfq_deactivate_entity+0x4f/0xc0
 bfq_del_bfqq_busy+0xbf/0x170
 __bfq_bfqq_expire+0x95/0xc0
 bfq_bfqq_expire+0x3c5/0x9a0
 ? bfq_active_extract+0x8e/0x140
 bfq_dispatch_request+0x438/0x1070
 __blk_mq_do_dispatch_sched+0x1c7/0x290
 ? dequeue_entity+0xa4/0x420
 __blk_mq_sched_dispatch_requests+0x129/0x180
 blk_mq_sched_dispatch_requests+0x30/0x60
 __blk_mq_run_hw_queue+0x49/0x110
 process_one_work+0x1b4/0x370
 worker_thread+0x53/0x3e0
 ? process_one_work+0x370/0x370
 kthread+0x11b/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x22/0x30
Modules linked in: tun snd_seq_dummy snd_hrtimer uinput rfcomm
xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp
nf_conntrack_tftp bridge stp llc 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 mt76x2u snd_hda_codec_realtek mt76x2_common
mt76x02_usb snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi
mt76_usb mt76x02_lib edac_mce_amd iwlmvm snd_hda_intel mt76
snd_intel_dspcfg kvm_amd mac80211 gspca_zc3xx snd_usb_audio
snd_hda_codec gspca_main uvcvideo btusb snd_usbmidi_lib iwlwifi
snd_hda_core videobuf2_vmalloc kvm videobuf2_memops btrtl snd_rawmidi
videobuf2_v4l2 snd_hwdep
 btbcm snd_seq btintel videobuf2_common eeepc_wmi irqbypass
snd_seq_device asus_wmi xpad bluetooth joydev sparse_keymap libarc4
rapl cfg80211 ff_memless snd_pcm videodev video pcspkr wmi_bmof
sp5100_tco snd_timer mc k10temp i2c_piix4 snd ecdh_generic ecc
soundcore rfkill acpi_cpufreq binfmt_misc zram ip_tables
hid_logitech_hidpp hid_logitech_dj amdgpu iommu_v2 gpu_sched ttm
drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel drm ccp
igb ghash_clmulni_intel nvme nvme_core dca i2c_algo_bit wmi
pinctrl_amd fuse
---[ end trace 09deb55d1b05f40c ]---


Full system log: https://pastebin.com/6cKHZzAi
Full kernel log: https://pastebin.com/316HjHit

Unfortunately, I did not know how reproduce this bug. I am not doing
anything unusual on the computer when it happened.
I could provide any useful info for further investigation.


--
Best Regards,
Mike Gavrilov.



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