tmpfs: Unknown parameter '"æz€<ÌÐy.ðŸ y™¯ÀôL­@GzÒ€fp™©×‹Œ¿`0´ŠÃ±7Ê‘ƒù4çlZ_cY(¡Xî÷¤;³póÚØõl:_ ½ãt¯K^O¿ ‡h Ë¹iÿÞƒ#áÕ °Ý—Úû;M…TŒŒ+Èɼ¿Á”Ž6)l³Í¢!Úá' EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue ------------[ cut here ]------------ Trying to write to read-only block-device sr0 (partno 0) WARNING: CPU: 0 PID: 31006 at block/blk-core.c:704 bio_check_ro block/blk-core.c:704 [inline] WARNING: CPU: 0 PID: 31006 at block/blk-core.c:704 submit_bio_checks+0x1577/0x18d0 block/blk-core.c:832 Modules linked in: CPU: 0 PID: 31006 Comm: kworker/u4:41 Not tainted 5.10.109 #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-11:0) RIP: 0010:bio_check_ro block/blk-core.c:704 [inline] RIP: 0010:submit_bio_checks+0x1577/0x18d0 block/blk-core.c:832 Code: 03 00 00 45 8b a4 24 a4 05 00 00 48 89 ef 48 8d 74 24 50 e8 7b 32 fe ff 48 c7 c7 00 68 3a 84 48 89 c6 44 89 e2 e8 28 48 eb 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:ffff88804b28f118 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 1ffff11009651e29 RCX: 0000000000000000 RDX: ffff888050b89940 RSI: ffffffff81293d03 RDI: ffffed1009651e15 RBP: ffff88800cdc7b00 R08: 0000000000000001 R09: ffff88806ce37b4f R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88800efb5470 R14: ffff88800cdc7b10 R15: ffff88800cdc7b08 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556d0d7f8678 CR3: 000000006373a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: submit_bio_noacct+0x7a/0xce0 block/blk-core.c:1042 submit_bio+0xf3/0x4e0 block/blk-core.c:1127 submit_bh_wbc.constprop.0+0x580/0x770 fs/buffer.c:3054 __block_write_full_page+0x7d3/0x1050 fs/buffer.c:1810 block_write_full_page+0x21c/0x290 fs/buffer.c:2980 __writepage+0x67/0x180 mm/page-writeback.c:2311 write_cache_pages+0x57f/0xef0 mm/page-writeback.c:2246 generic_writepages mm/page-writeback.c:2337 [inline] generic_writepages+0xe2/0x150 mm/page-writeback.c:2326 do_writepages+0xee/0x290 mm/page-writeback.c:2352 __writeback_single_inode+0x10a/0xd90 fs/fs-writeback.c:1467 writeback_sb_inodes+0x56e/0xfc0 fs/fs-writeback.c:1729 __writeback_inodes_wb+0xbe/0x270 fs/fs-writeback.c:1798 wb_writeback+0x710/0xab0 fs/fs-writeback.c:1904 wb_check_old_data_flush fs/fs-writeback.c:2006 [inline] wb_do_writeback fs/fs-writeback.c:2059 [inline] wb_workfn+0x821/0x1010 fs/fs-writeback.c:2088 process_one_work+0x9a9/0x1590 kernel/workqueue.c:2279 worker_thread+0x61d/0x1310 kernel/workqueue.c:2425 kthread+0x38f/0x470 kernel/kthread.c:313 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:296 irq event stamp: 583869 hardirqs last enabled at (583879): [] console_unlock+0x929/0xb30 kernel/printk/printk.c:2559 hardirqs last disabled at (583890): [] console_unlock+0x835/0xb30 kernel/printk/printk.c:2474 softirqs last enabled at (582898): [] spin_unlock_bh include/linux/spinlock.h:399 [inline] softirqs last enabled at (582898): [] get_next_work_item fs/fs-writeback.c:1956 [inline] softirqs last enabled at (582898): [] wb_do_writeback fs/fs-writeback.c:2045 [inline] softirqs last enabled at (582898): [] wb_workfn+0x3aa/0x1010 fs/fs-writeback.c:2088 softirqs last disabled at (582896): [] spin_lock_bh include/linux/spinlock.h:359 [inline] softirqs last disabled at (582896): [] get_next_work_item fs/fs-writeback.c:1950 [inline] softirqs last disabled at (582896): [] wb_do_writeback fs/fs-writeback.c:2045 [inline] softirqs last disabled at (582896): [] wb_workfn+0x1be/0x1010 fs/fs-writeback.c:2088 ---[ end trace 44b66c430b2f7773 ]--- sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=2s sr 1:0:0:0: [sr0] tag#0 Sense Key : Illegal Request [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 00 00 00 00 00 02 00 blk_update_request: critical target error, dev sr0, sector 0 op 0x1:(WRITE) flags 0x100000 phys_seg 8 prio class 0 buffer_io_error: 110 callbacks suppressed Buffer I/O error on dev sr0, logical block 0, lost async page write Buffer I/O error on dev sr0, logical block 1, lost async page write Buffer I/O error on dev sr0, logical block 2, lost async page write Buffer I/O error on dev sr0, logical block 3, lost async page write Buffer I/O error on dev sr0, logical block 4, lost async page write Buffer I/O error on dev sr0, logical block 5, lost async page write Buffer I/O error on dev sr0, logical block 6, lost async page write Buffer I/O error on dev sr0, logical block 7, lost async page write EXT4-fs (loop4): VFS: Can't find ext4 filesystem