2.6.35-devel is unable to mount root on mmc
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux-ti-omap (Ubuntu) |
Fix Released
|
Undecided
|
Robert Nelson |
Bug Description
The kernel built from the scripts at
https:/
fails to mount the root directory from the mmc its booting off, although it's detecting the mmc just fine and the ext3 support is enabled in the kernel. This is happening on a revB7 board.
1.972015] Waiting for root device /dev/mmcblk0p2...
[ 2.192993] usb 2-1: new low speed USB device using musb_hdrc and address 2
[ 2.333587] mmc0: new high speed SDHC card at address 0007
[ 2.339630] mmcblk0: mmc0:0007 SD04G 3.73 GiB (ro)
[ 2.344787] mmcblk0: p1 p2 p3
[ 2.355194] usb 2-1: device v046d pc00e is not supported
[ 2.412048] VFS: Cannot open root device "mmcblk0p2" or unknown-
[ 2.419128] Please append a correct "root=" boot option; here are the available partitions:
[ 2.427612] 1f00 512 mtdblock0 (driver?)
[ 2.432617] 1f01 1920 mtdblock1 (driver?)
[ 2.437683] 1f02 128 mtdblock2 (driver?)
[ 2.442687] 1f03 4096 mtdblock3 (driver?)
[ 2.447753] 1f04 255488 mtdblock4 (driver?)
[ 2.452819] b300 3911680 mmcblk0 driver: mmcblk
[ 2.458068] b301 40131 mmcblk0p1
[ 2.462432] b302 3365617 mmcblk0p2
[ 2.466796] b303 498015 mmcblk0p3
[ 2.471099] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-
[ 2.479675] [<c004a5d0>] (unwind_
[ 2.487854] [<c0550618>] (panic+0x6c/0xf0) from [<c0009194>] (mount_
[ 2.496307] [<c0009194>] (mount_
[ 2.506011] [<c0009484>] (prepare_
[ 2.515258] [<c00086a0>] (kernel_
The very same setup with a kernel built from
https:/
works just fine.
Related branches
tags: | added: patch |
A similar problem is reported in this thread:
http:// e2e.ti. com/support/ dsp/omap_ applications_ processors/ f/42/t/ 28895.aspx? PageIndex= 2
But no explanation/ resolution has been found there.