On a Thursday in 2023, Peter Krempa wrote:
Historically this didn't work with any supported qemu version as we
don't set the alias of the device, and thus qemu uses a different alias
resulting in a failure to startup the VM:

 internal error: unable to execute QEMU command 'block_set_io_throttle': Device 
'drive-sd-disk0' not found

Refuse setting throttling as this is unlikely to be needed and proper
fix requires using -device instead of -drive if=sd.

Note that this was broken when I moved the setup of throttling as a
command at startup for blockdev integration quite a while ago. Until
then throttling was passed as arguments for -drive.

Signed-off-by: Peter Krempa <pkre...@redhat.com>
---
src/qemu/qemu_driver.c   | 17 +++++++++--------
src/qemu/qemu_validate.c |  8 ++++++++
2 files changed, 17 insertions(+), 8 deletions(-)


Reviewed-by: Ján Tomko <jto...@redhat.com>

Jano

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