Trying to write to read-only block-device loop5 (partno 0)
WARNING: CPU: 0 PID: 66 at block/blk-core.c:705 bio_check_ro block/blk-core.c:705 [inline]
WARNING: CPU: 0 PID: 66 at block/blk-core.c:705 submit_bio_checks+0x1511/0x1850 block/blk-core.c:833
Modules linked in:
CPU: 0 PID: 66 Comm: kworker/u4:3 Not tainted 5.10.60 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Workqueue: writeback wb_workfn (flush-7:5)
RIP: 0010:bio_check_ro block/blk-core.c:705 [inline]
RIP: 0010:submit_bio_checks+0x1511/0x1850 block/blk-core.c:833
Code: 02 00 00 45 8b a4 24 a4 05 00 00 48 89 ef 48 8d 74 24 50 e8 f1 41 fe ff 48 c7 c7 40 5a 3a 84 48 89 c6 44 89 e2 e8 8e 85 e7 01 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 80 3c 02
RSP: 0018:ffff88800dea73e8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 1ffff11001bd4e83 RCX: 0000000000000000
RDX: ffff88800df18000 RSI: ffffffff812912c3 RDI: ffffed1001bd4e6f
RBP: ffff888044d14200 R08: 0000000000000001 R09: ffff88806ce2fb4f
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88800ee22430 R14: ffff888044d14210 R15: ffff888044d14208
FS:  0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4aac225010 CR3: 000000000f1e8000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 submit_bio_noacct+0x7e/0xcf0 block/blk-core.c:1045
 submit_bio+0x2f3/0x4e0 block/blk-core.c:1130
 mpage_bio_submit fs/mpage.c:66 [inline]
 mpage_writepages+0x19a/0x230 fs/mpage.c:718
 do_writepages+0xfc/0x2a0 mm/page-writeback.c:2352
 __writeback_single_inode+0x10a/0xd90 fs/fs-writeback.c:1467
 writeback_sb_inodes+0x570/0xfc0 fs/fs-writeback.c:1729
 wb_writeback+0x298/0xaf0 fs/fs-writeback.c:1902
 wb_do_writeback fs/fs-writeback.c:2047 [inline]
 wb_workfn+0x1ae/0x1030 fs/fs-writeback.c:2088
 process_one_work+0x9ac/0x1580 kernel/workqueue.c:2270
 worker_thread+0x61d/0x1310 kernel/workqueue.c:2416
 kthread+0x38f/0x470 kernel/kthread.c:292
 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:296
irq event stamp: 116901
hardirqs last  enabled at (116911): [<ffffffff8128d856>] console_unlock+0x926/0xb30 kernel/printk/printk.c:2552
hardirqs last disabled at (116922): [<ffffffff8128d762>] console_unlock+0x832/0xb30 kernel/printk/printk.c:2467
softirqs last  enabled at (116194): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
softirqs last disabled at (116181): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
---[ end trace d963b8dc6f404916 ]---
FAT-fs (loop6): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci0: command 0x0406 tx timeout
Bluetooth: hci7: command 0x0406 tx timeout
Bluetooth: hci4: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci6: command 0x0406 tx timeout
Bluetooth: hci1: command 0x0406 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout