Deng Tyler <tyler.sabdon@gmail.com> 於 2019年5月29日 週三 下午6:07寫道：

> Hi all:
>     I encounter bmc firmware update fail issue and message is "Verify
> error: update: --no-flash --ignore-mount --no-save-files --no-restore-files
> --no-clean-saved-files\nERROR: Unable to find mtd partition for
> image-bmc.\n".
>
> I check my flash partition and found that I lost "bmc" partition as below:
> cat /proc/mtd
> dev:    size   erasesize  name
> mtd0: 00060000 00001000 "u-boot"
> mtd1: 00020000 00001000 "u-boot-env"
> mtd2: 00440000 00001000 "kernel"
> mtd3: 01740000 00001000 "rofs"
> mtd4: 00400000 00001000 "rwfs"
>
ls -l /dev/mtd
lrwxrwxrwx    1 root     root             7 May 23 11:56 kernel -> ../mtd2
lrwxrwxrwx    1 root     root             7 May 23 11:56 rofs -> ../mtd3
lrwxrwxrwx    1 root     root             7 May 23 11:56 rwfs -> ../mtd4
lrwxrwxrwx    1 root     root             7 May 23 11:56 u-boot -> ../mtd0
lrwxrwxrwx    1 root     root             7 May 23 11:56 u-boot-env ->
../mtd1

>
> I tried to add bmc partition in dts
> &bootspi {
>         status = "okay";
>         flash@0 {
>                 status = "okay";
>                 m25p,fast-read;
>                 label = "bmc";
>                 spi-max-frequency = <50000000>;
> #include "openbmc-flash-layout.dtsi"
>         };
> };
>
> but there still is no "bmc" partition. Could someone give any suggestion?
> thanks.
>
> Tyler
>