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HomeOther DownloadsPatch to make SysRq t work correctly on mpc_8349e_mitx.
Optional Type: Patch

Patch to make SysRq t work correctly on mpc_8349e_mitx.

Released: Mar 19, 2009     Updated: Nov 28, 2007


When Magic SysRq key is sent from serial console, mpc8349e_mitx bsp doesn't recognize the key correctly.

Steps to Reproduce

1. boot mpc8349e_mitx
2. connect serial console
3. open a minicom on Linux host.
4. send SysRq keys from minicom
Ctrl-a f b

Though this command is for rebooting the kernel.
no rebooting and shows a help message:

"HELP : loglevel0-8 reBoot tErm Full Gdb kIll showMem Nice powerOff showPc Sync showTasks Unmount" IDENTIFIER = WIND00101066

Product Version

Linux Platforms 1.x


Installation Notes

Installation Notes

Use for 1.5

1) This is a source only patch.
2) Copy the attached zip file to the updates directory of the installation and unzip it.
3) Run ./setup_linux
4) Configure for the board
5) The patch is for kernel only, so rebuild the kernel from patched source by
'make -C build'; rootfs image can be made from 'make fs'.
6) On the target issue BREAK+m for instructing kernel to show memory info and BREAK+b is for instructing kernel to reboot.
7) Both commands should pass.

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