[Bug 1793635] Re: Using pflash with u-boot, when CONFIG_SYS_FLASH_USE_BUFFER_WRITE were defined, envirment args won't be able to save correctly

[Philippe Mathieu-Daudé]

No update from the reporter after 5 months, so closing the bug.

** Changed in: qemu
     Assignee: Philippe Mathieu-Daudé (philmd) => (unassigned)

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https://bugs.launchpad.net/bugs/1793635

Title:
  Using pflash with u-boot,when CONFIG_SYS_FLASH_USE_BUFFER_WRITE were
  defined,envirment args won't be able to save correctly

Status in QEMU:
  Incomplete

Bug description:
  Generated a u-boot image with qemu_arm_defconfig,did some modification to 
qemu-arm.h.
  Before added "CONFIG_SYS_FLASH_USE_BUFFER_WRITE",call saveenv in u-boot 
command line can save the envirment but painful slow.

  after added it,seems the action took no time,but the data won't be
  saved correctly,reset the board to boot again(i'd waited a while to
  reset the board) ,the u-boot will tell you enviremnt checksum
  mismatch,using the default.

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