Linaro QEMU

  1. Bug #622408
  2. Comment #1

Comment 1 for bug 622408

Revision history for this message
Nicolas Pitre (npitre) wrote : Re: [Bug 622408] [NEW] SD: Unknown CMD52

On Sun, 22 Aug 2010, Loïc Minier wrote:

> When booting the Ubuntu maverick daily preinstalled image for OMAP from the 18th of August under qemu-maemo 0.0~20100806+d7a5eb1-0ubuntu1~linaro2, I get this in the terminal where I run QEMU:
> SD: Unknown CMD52

CMD 52 is used for SDIO cards. And SDIO cards have to be probed before
standard SD cards. Non-SDIO cards are expected to return failure (or
timeout) for CMD 52. So if qemu doesn't emulate SDIO cards, it may
silently ignore those commands.