As of commit 5928023c these pflash_cfi01 messages are now suppressed, so
this bug will be fixed in the next release of QEMU (1.4.0) and qemu-
linaro (2012.03).
** Changed in: qemu-linaro
Status: New => Fix Committed
** Changed in: qemu
Status: New => Fix Committed
** Changed in: qemu-linaro
Milestone: None => 2013.03
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https://bugs.launchpad.net/bugs/1082292
Title:
[ARM] pflash_write: Unimplemented flash cmd sequence
Status in QEMU:
Fix Committed
Status in Linaro QEMU:
Fix Committed
Bug description:
I find the bug already reported on qemu-devel mailing-list [1] w/o
replies also on other sources.
Tested on Darwin (Mac OS X 10.7.5) and Scientific Linux 6.3 hosts.
Also using the latest 1.2.X and 1.3.0-rc0 and qemu-linaro. On all host
operating systems and with different versions on qemu results are the
same.
I was following the official Ubuntu ARM instructions [2] how to test
OS on ARM emulator.
oss: Could not initialize DAC
oss: Failed to open `/dev/dsp'
oss: Reason: No such file or directory
oss: Could not initialize DAC
oss: Failed to open `/dev/dsp'
oss: Reason: No such file or directory
audio: Failed to create voice `lm4549.out'
Uncompressing
Linux.................................................................................................................................................................................................
done, booting the kernel.
pflash_write: Unimplemented flash cmd sequence (offset 0000000000000000,
wcycle 0x0 cmd 0x0 value 0xf000f0)
pflash_write: Unimplemented flash cmd sequence (offset 0000000000000000,
wcycle 0x0 cmd 0x0 value 0xf0)
And it freezes, but still eats 40-50% of CPU core.
## Instructions ##
wget -c http://w3.impa.br/~gabrield/data/ubuntu-arm-development-rootfs.tar.bz2
tar jxfv ubuntu-arm-development-rootfs.tar.bz2
chmod +x run.sh
./run.sh
The user to login is ubuntu and password temppwd.
More details on [2].
- - -
[1] http://lists.gnu.org/archive/html/qemu-devel/2012-11/msg00863.html
[2] https://wiki.ubuntu.com/ARM/RootfsFromScratch
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