[Bug 474834] Re: Booting Dell Vostro 1520 shows message "mmc0: unknown controller version(2). You may experience problems"

[Jamie Krug]

I too am affected by this bug, on my Dell Vostro 1510 laptop. I see the
same error message during boot: "mmc0: Unknown controller version (2).
You may experience problems." I can also confirm that the error message
is in /var/log/kern.log and /var/log/dmesg. I just installed Ubuntu
10.04 64-bit to dual boot along with my preexisting 9.10 (also 64-bit)
install.

What's strange is that I now see this error message when booting 9.10 as
well, which was definitely never a problem before the 10.04 install.
Also, I'm almost positive that the first time I booted 10.04 as a "Live
USB," I did not see this error, but it did appear after I did a complete
install.

Prior to the 10.04 install, I used the Live USB boot to use gParted to
delete an old partition, which had 8.04 on it. Then, during the 10.04
install, I manually created / and /home partitions.

I haven't noticed any adverse affects yet, but it's only been 12 hours
since this error message first appeared at boot for me.

I'm happy to provide as many details as I can, if someone can let me
know what will be most useful. Thanks!

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Booting Dell Vostro 1520 shows message "mmc0: unknown controller version(2). You may experience problems"
https://bugs.launchpad.net/bugs/474834
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