[Qemu-devel] [Bug 1082292] Re: [ARM] pflash_write: Unimplemented flash cmd sequence

[Peter Maydell]

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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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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