BMC firmware update on PE2950 failed

[Kuba Ober]

> I tried to update the firmware of the BMC device and ran into
> a 'deadlock':
>
> First I start the machine in single user mode. Then start I start
> the update package PE2950_ESM_FRMW_LX_R149881.BIN. All prerequisites are
> fine:

...

> Continue? Y/N:Y
> Executing update...
> WARNING: DO NOT STOP THIS PROCESS OR INSTALL OTHER DELL PRODUCTS WHILE
> UPDATE IS IN PROGRESS.
> THESE ACTIONS MAY CAUSE YOUR SYSTEM TO BECAME UNSTABLE!
> .
> The OpenIPMI driver is currently loaded. Please unload the driver before
> executing.

...

> I have stopped the dsm_sa_ipmi service manually but the same message
> occurs. It seems the update process automatically starts the IPMI drivers.

...

> Did I missed something or is it a bug?

For me, the update scripts often needed manual tweaking, so just let it 
decompress then interrupt the .BIN and look at the script. Usually it's 
trivial to spot where it fails, simly edit it out and re-run.

Cheers, Kuba