Backtrace

WARNING: CPU: 0 PID: 581 at drivers/md/raid5.c:5313 raid5_make_request+0xa1f/0xb50 [raid456]
Modules linked in: raid456 drm_ttm_helper ttm iommu_v2 async_raid6_recov gpu_sched async_memcpy i2c_algo_bit async_pq async_xor async_tx crct10dif_pclmul crc32_pclmul drm_kms_helper crc32c_intel firewire_ohci cec ghash_clmulni_intel r8169 firewire_core drm crc_itu_t sp5100_tco wmi fuse
CPU: 0 PID: 581 Comm: systemd-udevd Not tainted 5.12.5-300.fc34.x86_64 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./970 Extreme4, BIOS P2.20 10/12/2012
RIP: 0010:raid5_make_request+0xa1f/0xb50 [raid456]
Code: ff e8 55 98 d0 ca e9 86 f8 ff ff 48 c7 c2 e0 c0 45 c0 48 c7 c6 61 d7 45 c0 48 c7 c7 d8 7e 46 c0 e8 b6 88 21 cb e9 67 f8 ff ff <0f> 0b e9 3c f8 ff ff 48 8d 44 24 78 31 f6 4c 8d b5 88 02 00 00 48
RSP: 0018:ffffa9d94085f960 EFLAGS: 00010202
RAX: 0000000000000008 RBX: ffff88cf809aa000 RCX: 0000000000000000
RDX: ffff88cf88d48640 RSI: 000000003a309780 RDI: ffff88cf8a23e000
RBP: ffff88cf809aa000 R08: 0000000000000080 R09: 0000000000000000
R10: ffff88cf8128e500 R11: 0000000000080000 R12: ffff88cf8128e500
R13: 00000000ffffffff R14: ffff88cf80e7a780 R15: ffff88cf8a23e000
FS:  00007ffa2bc5db40(0000) GS:ffff88d2aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffa2bc2e4b0 CR3: 000000010aba4000 CR4: 00000000000406f0
Call Trace:
 ? finish_wait+0x80/0x80
 ? __kmalloc+0x139/0x260
 md_handle_request+0x112/0x180
 ? __part_start_io_acct+0x45/0xe0
 md_submit_bio+0xcd/0x110
 submit_bio_noacct+0x117/0x4e0
 mpage_readahead+0x14a/0x190
 ? bdev_evict_inode+0xc0/0xc0
 read_pages+0x69/0x2d0
 page_cache_ra_unbounded+0x1ab/0x230
 force_page_cache_ra+0xde/0x140
 filemap_get_pages+0xc4/0x660
 filemap_read+0x99/0x310
 ? _copy_to_user+0x2d/0x40
 ? cp_new_stat+0x13d/0x160
 new_sync_read+0x105/0x180
 vfs_read+0x147/0x1a0
 ksys_read+0x4f/0xc0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ffa2bc4a912
Code: 48 8b 15 c1 96 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
RSP: 002b:00007ffd10c456b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00005635cd625508 RCX: 00007ffa2bc4a912
RDX: 0000000000000040 RSI: 00005635cd625518 RDI: 0000000000000006
RBP: 00005635cd65d930 R08: 00005635cd6254f0 R09: 00005635cd624010
R10: 00007ffa2bc2ba00 R11: 0000000000000246 R12: 00000003b97f0000
R13: 0000000000000040 R14: 00005635cd6254f0 R15: 00005635cd65d980