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Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/1754')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/1754 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/1754 b/gitlab/issues_text/target_missing/host_missing/accel_missing/1754 new file mode 100644 index 000000000..80ffefb8f --- /dev/null +++ b/gitlab/issues_text/target_missing/host_missing/accel_missing/1754 @@ -0,0 +1,16 @@ +QEMU wrongly requires SD card sizes to be a power of two +Description of problem: +QEMU arbitrarily requires SD card sizes to be a power of 2. However, this behavior does not match the real world, and I am unable to pass a *physical* SD card into the guest operating system. +``` +$ sudo qemu-system-aarch64 -M raspi2b -drive file=/dev/mmcblk0,if=sd,format=raw +qemu-system-aarch64: Invalid SD card size: 29.7 GiB +SD card size has to be a power of 2, e.g. 32 GiB. +You can resize disk images with 'qemu-img resize <imagefile> <new-size>' +(note that this will lose data if you make the image smaller than it currently is). +``` +Steps to reproduce: +1. Insert a physical SD card into your host system and make a note of its device name. It will be something like `/dev/mmcblk0` +2. Attempt to start a guest OS with the SD card attached. See the command above. +3. You will get an error saying that the card size is not a power of two. +Additional information: + |