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+device: 0.940
+kernel: 0.940
+graphic: 0.937
+debug: 0.650
+semantic: 0.644
+PID: 0.528
+peripherals: 0.504
+architecture: 0.491
+performance: 0.455
+hypervisor: 0.436
+network: 0.416
+ppc: 0.415
+boot: 0.301
+socket: 0.297
+x86: 0.287
+vnc: 0.277
+mistranslation: 0.272
+i386: 0.266
+virtual: 0.259
+register: 0.234
+assembly: 0.227
+arm: 0.226
+permissions: 0.224
+user-level: 0.180
+risc-v: 0.140
+VMM: 0.138
+TCG: 0.134
+KVM: 0.049
+files: 0.048
+
+megasas: Buffer I/O error on dev sda / critical target error, dev sda, sector 0 op 0x0:(READ)
+Description of problem:
+Since QEMU 7.2.0 when using `megasas` device the guest kernel is unable to I/O with the device (Input/output error) also producing errors messages in `dmesg` like these:
+```
+[   18.739344] critical target error, dev sda, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
+[   18.739925] Buffer I/O error on dev sda, logical block 0, async page read
+[   18.740374] Dev sda: unable to read RDB block 0
+```
+
+Relevant options are: `-device megasas -blockdev driver=null-co,read-zeroes=on,node-name=null -device scsi-hd,drive=null` then in guest `modprobe megaraid-sas`. With qcow2 images - errors are the same.
+
+I also tested that the same commands produce no errors on QEMU 6.0.0 - 7.1.0.