On 02/25/2015 10:14 AM, Hans de Goede wrote: > Hi, > > On 25-02-15 16:10, Cole Robinson wrote: >> On 02/25/2015 09:55 AM, Hans de Goede wrote: >>> Hi, >>> >>> On 25-02-15 15:19, Cole Robinson wrote: >>>> Hey all, >>>> >>>> First time trying to setup my cubietruck/cubieboard3. I used >>>> fedora-arm-installer[1] to fill in an 8GB sd card on my host machine, using >>>> Fedora-Minimal-armhfp-21-5-sda.raw.xz. >>>> >>>> Pop it into my cubietruck, connect via serial console, start it up. Machine >>>> passes uboot fine and boots the initrd, but eventually fails waiting for the >>>> root mount point to show up, and falls back to dracut. >>>> >>>> Comparing my boot output to kashyap's[2], my machine has all the same >>>> messages >>>> referencing 'mmc1', but there's nothing about mmc0. mmcblk0 never shows >>>> up, so >>>> the boot fails after a timeout. >>>> >>>> So I populated a SATA drive in the same way as above, hooked that to the >>>> cubietruck, and it boots successfully. But I still can't access the sdcard >>>> from fedora. The only thing under /sys/block is sda. Tried removing and >>>> re-inserting the sunxi_mmc module, doesn't seem to help. Tried another sd >>>> card, didn't make a difference. >>>> >>>> I updated the kernel on the sdcard (by updating /boot on the sata drive, >>>> sticking the sdcard in a USB adapter, rsyncing the contents), booted into the >>>> latest lpae kernel, but still the sdcard isn't detected. >>>> >>>> Anyone have any ideas? Googling didn't turn up anything. >>> >>> So there are no mmc0 messages from the kernel at all ? Sounds like there is >>> an issue with the card-detect pin on your sdcard slot (u-boot does not >>> use this, it assumes the card is there as it is booting from it), you >>> could tree cleaning the slot a bit, e.g. blow some air through it. >>> >> >> Interesting. I wiggled the card some and blew air in a few places, and some >> time during that fedora spit out: >> >> mmc0: host does not support reading read-only switch. assuming write-enable. >> >> Which I see in kashyap's output as well. > > Yeah that is normal. > >> However that's all I got and I can't >> reproduce yet, and not sure specifically what I did during that time. >> >> Would there be mmc0 messages in the kernel output even if no sdcard is >> inserted? > > I don't think so, other the initializing the controller, the kernel will not > do anything if the card-detect pin does not signal that there is a card > inside the lost. > >> Or is it dependent on a card being present? > > Right. > > Reproduced it a bit more. If I wiggle the card vertically while inserting I can get it to trigger about 1/5 of the time. Affects the two sdcards I have. So my cubietruck hardware must be flaky :( >> >> >>>> If not, is it possible to make the cubietruck boot directly off the sata >>>> drive? Doesn't seem to work for me, but if I can make that work I don't need >>>> to worry about the sdcard. >>> >>> There is no way to make things boot directly from sata, you always need >>> u-boot somewhere else as the bootrom inside the soc does not support sata. >>> >>> You could leave a tiny sdcard in the slot with just u-boot though, and run >>> everything else from sata. >>> >> >> Does /boot need to populated on the sdcard as well? Or can I make uboot on the >> sdcard use /boot from my sata drive? > > You can blow away the entire partition table from the sdcard, and have all > partitions > on the sata disk. All you need is the u-boot binary which sits between 8k and > 1M from > the start of the card. Cool I can live with that, I'll give it a shot. Thanks, Cole _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm
