I/O error, dev sr0, sector 0 op 0x1:(WRITE) flags 0x4000 phys_seg 127 prio class 2 Buffer I/O error on dev sr0, logical block 0, lost async page write ------------[ cut here ]------------ WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x364/0x400, CPU#1: kworker/1:2H/166 Modules linked in: CPU: 1 UID: 0 PID: 166 Comm: kworker/1:2H Not tainted 6.18.0-rc4-next-20251107 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: kblockd blk_mq_run_work_fn RIP: 0010:get_data+0x364/0x400 Code: e8 83 e0 07 83 c0 03 38 d0 0f 8c be fe ff ff 84 d2 0f 84 b6 fe ff ff 48 89 ef e8 57 c7 5c 00 e9 a9 fe ff ff e8 7d 1d 1f 00 90 <0f> 0b 90 45 31 e4 e9 3b ff ff ff e8 6c 1d 1f 00 90 0f 0b 90 45 31 RSP: 0018:ffff888017b7f080 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888017b7f198 RCX: ffffffff8155afe6 RDX: ffff88801908b780 RSI: ffffffff8155b1b3 RDI: 0000000000000006 RBP: ffff888017b7f160 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85d2e610 R13: 00003fffffffffff R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d132000 CR3: 000000004cc2b000 CR4: 0000000000350ef0 Call Trace: _prb_read_valid+0x2f3/0x830 prb_read_valid+0x78/0xa0 printk_get_next_message+0x10b/0x570 console_flush_one_record+0x64f/0xb20 __console_flush_and_unlock+0xb1/0x1d0 vprintk_emit+0x4c1/0x690 _printk+0xbe/0xf0 buffer_io_error+0xd9/0x110 end_buffer_async_write+0x29a/0x330 end_bio_bh_io_sync+0xe6/0x140 bio_endio+0x5ad/0x6b0 blk_update_request+0x2c5/0x1060 blk_mq_end_request+0x4f/0x90 blk_mq_dispatch_rq_list+0x3ea/0x1a90 __blk_mq_sched_dispatch_requests+0xc31/0x13d0 blk_mq_sched_dispatch_requests+0xd7/0x1b0 blk_mq_run_work_fn+0x1f9/0x380 process_one_work+0x8e1/0x19c0 worker_thread+0x67e/0xe90 kthread+0x3c8/0x740 ret_from_fork+0x67a/0x7a0 ret_from_fork_asm+0x1a/0x30 irq event stamp: 81073 hardirqs last enabled at (81079): [] vprintk_emit+0x650/0x690 hardirqs last disabled at (81084): [] vprintk_emit+0x5e1/0x690 softirqs last enabled at (80446): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (80423): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop7: detected capacity change from 0 to 512 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 Buffer I/O error on dev sr0, logical block 8, lost async page write Buffer I/O error on dev sr0, logical block 9, lost async page write sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 127 op 0x1:(WRITE) flags 0x4000 phys_seg 127 prio class 2 9pnet_fd: p9_fd_create_tcp (9292): problem connecting socket to 127.0.0.1 EXT4-fs (loop7): ext4_check_descriptors: Block bitmap for group 0 not in group (block 512)! EXT4-fs (loop7): group descriptors corrupted! sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 254 op 0x1:(WRITE) flags 0x4000 phys_seg 127 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 381 op 0x1:(WRITE) flags 0x4000 phys_seg 127 prio class 2 loop7: detected capacity change from 0 to 512 EXT4-fs (loop7): ext4_check_descriptors: Block bitmap for group 0 not in group (block 512)! EXT4-fs (loop7): group descriptors corrupted! sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s 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 7f 00 00 01 00 critical target error, dev sr0, sector 508 op 0x1:(WRITE) flags 0x0 phys_seg 4 prio class 2 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s 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 80 00 00 0e 00 critical target error, dev sr0, sector 512 op 0x1:(WRITE) flags 0x800 phys_seg 56 prio class 2 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s 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 8e 00 00 08 00 critical target error, dev sr0, sector 568 op 0x1:(WRITE) flags 0x0 phys_seg 32 prio class 2 loop7: detected capacity change from 0 to 512 EXT4-fs (loop7): ext4_check_descriptors: Block bitmap for group 0 not in group (block 512)! EXT4-fs (loop7): group descriptors corrupted! sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s 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 96 00 00 0c 00 critical target error, dev sr0, sector 600 op 0x1:(WRITE) flags 0x800 phys_seg 48 prio class 2 9pnet_fd: p9_fd_create_tcp (9308): problem connecting socket to 127.0.0.1 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s 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 a2 00 00 02 00 critical target error, dev sr0, sector 648 op 0x1:(WRITE) flags 0x0 phys_seg 8 prio class 2 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s 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 a4 00 00 06 00 critical target error, dev sr0, sector 656 op 0x1:(WRITE) flags 0x800 phys_seg 24 prio class 2 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s 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 aa 00 00 16 00 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s 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 c0 00 00 10 00 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s 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 d0 00 00 08 00 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s 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 d8 00 00 1a 00 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer