diff options
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_KVM/706')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_KVM/706 | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_KVM/706 b/gitlab/issues_text/target_missing/host_missing/accel_KVM/706 new file mode 100644 index 000000000..cbfa7af23 --- /dev/null +++ b/gitlab/issues_text/target_missing/host_missing/accel_KVM/706 @@ -0,0 +1,38 @@ +NVMe End-to-End Data Protection +Description of problem: +When activating end-to-end data protection inside qemu NVMe virtual namespace, guest can not read or write anything to discovered /dev/nvme0n1. Guest kernel has NVMe support compiled-in, when booting i get the following messages related to emulated nvme pi-enabled drive inside guest: + +``` +[ 0.661260] blk_update_request: protection error, dev nvme0n1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 +[ 0.663774] Buffer I/O error on dev nvme0n1, logical block 1, async page read +[ 0.665043] blk_update_request: protection error, dev nvme0n1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 +[ 0.666976] Buffer I/O error on dev nvme0n1, logical block 0, async page read +[ 0.676702] blk_update_request: protection error, dev nvme0n1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 +[ 0.678664] Buffer I/O error on dev nvme0n1, logical block 0, async page read +[ 0.679923] blk_update_request: protection error, dev nvme0n1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 +[ 0.681811] Buffer I/O error on dev nvme0n1, logical block 1, async page read +[ 0.683544] nvme0n1: unable to read partition table +``` + +Same when trying to read anything: + +``` +/ # dd bs=512 count=1 skip=0 if=/dev/nvme0n1 iflag=direct +[ 432.017616] blk_update_request: protection error, dev nvme0n1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 4 prio class 0 +[ 432.020596] blk_update_request: protection error, dev nvme0n1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 +[ 432.023530] Buffer I/O error on dev nvme0n1, logical block 0, async page read +[ 432.025345] blk_update_request: protection error, dev nvme0n1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 +[ 432.028289] Buffer I/O error on dev nvme0n1, logical block 1, async page read +dd: /dev/nvme0n1: Input/output error +``` + +And write: + +``` +/ # dd bs=512 count=1 if=output.dat of=/dev/nvme0n1 +[ 597.679455] blk_update_request: protection error, dev nvme0n1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 +dd: error writing '/dev/nvme0n1': Input/output error +1+0 records in +0+0 records out +0 bytes (0B) copied, 0.003864 seconds, 0B/s +``` |