[Buildroot] [beagleboard] BeagleBoard-xM, booting 2.6.37, root=/dev/mmcblk0p2, kernel hangs
tmohr at s.netic.de
Thu Mar 24 21:19:55 UTC 2011
the problem was the kernel configuration, i configured MMC cards but i did not
enable the "Block Layer". It seems in the OMAP specific kernel you can't rely
that every dependency is correctly set (enabling MMC is possible without block
After adapting /etc/inittab i can start /bin/sh
Am Mittwoch, 23. März 2011, 22:00:55 schrieb Torsten Mohr:
> i've set up a micro SD card with VFAT on partition 1, EXT2 on partition 2.
> Partition 2 is buildroot's output/images/rootfs.ext2, copied with "dd" to
> the micro SD card.
> On partition 1 i have u-boot and i start the kernel like this:
> mmc init
> mmc rescan 0
> run loaduimage
> bootm 0x82000000
> Then i see the kernel boot log and i see it hanging:
> [ 1.215850] twl_rtc twl_rtc: setting system clock to 2000-01-01 00:05:25
> UTC (946685125)
> [ 1.226806] Waiting for root device /dev/mmcblk0p2...
> [ 1.369873] mmc0: host does not support reading read-only switch.
> assuming write-enable.
> [ 1.389953] mmc0: new SDHC card at address e624
> ---> no more output
> I use buildroot-2011.02, the kernel is 2.6.37.
> In the kernel configuration i have set:
> TI OMAP Multimedia Card Interface support (MMC_OMAP)
> TI OMAP High Speed Multimedia Card Interface support (MMC_OMAP_HS)
> Can anybody give me a hint why the kernel does not continue to boot?
> Best regards,
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