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[Qemu-devel] [Bug 1809291] Re: ARM PL181 (mmc for Security Digital Card)
[Qemu-devel] [Bug 1809291] Re: ARM PL181 (mmc for Security Digital Card) not working in Ubuntu 18.10 (CMD 2, 3 timeout). The SDC driver worked fine in Ubuntu 18.04 and earlier versions but not in Ubuntu 18.10
Thu, 20 Dec 2018 18:21:49 -0000
Hi, from this report your setup is unclear to me.
Are you saying that QEMU used to work on Ubuntu 15.10/18.04 and stopped working
or than current QEMU works with the default Linux kernel from Ubuntu
15.10/18.04 and does not work with the 18.10 kernel?
What is the size of your 'sdimage', what is the kernel used in 't.bin'?
Please provide more info.
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ARM PL181 (mmc for Security Digital Card) not working in Ubuntu 18.10
(CMD 2,3 timeout). The SDC driver worked fine in Ubuntu 18.04 and
earlier versions but not in Ubuntu 18.10
Status in QEMU:
ARM PL181 MMC card no longer working in qemu-system-arm in Ubuntu 18.10
The MMC driver code worked fine in Ubuntu 15.10 to 18.04.
The command to run qemu-system-arm is
qemu-system-arm -M versatilepb -m 256M -sd sdimage -kernel t.bin
During SDC initialization, SDC commands 2, 3, 9, 13, 7, 16 all timeout,
which cause subsequent read/write commands 17/24 to fail also.
Tried both ARM versatilepb and realview-pb-a8, realview-pbx-a9 boards:
all the same.
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