Thanks James, On 18 June 2013 00:00, James Cameron <qu...@laptop.org> wrote:
> On Mon, Jun 17, 2013 at 11:14:23PM -0500, Jerry Vonau wrote: > > I just tried the devalias trick using 13.2.0 as the OS on a XO-4. On > > initial boot it drops me into dracut appearing to complain about a > > read-only filesystem while attempting resize. Any thoughts on how to > > debug this? > > Sure. > > Check the write protect tab on the card. > > This was the issue, no matter how careful I was inserting the SD-card the tab would move to locked. I used a dab of instant glue, that was enough to prevent the tab from moving. Thanks a bunch, Jerry > Check with another XO-4 in case the socket write protect switch is > faulty. > > Boot into Linux from another boot device, such as the internal eMMC or > a Tiny Core Linux on USB drive, then check that you can mount the > external SD card for write, and write to it. > > fs-update does not honour the write protect on an SD card; it is > purely an advisory write protect, and Open Firmware doesn't take this > advice ... "which is an optional feature of the SD specification." [1] > > (I'm running an XO-4 as a builder with swap on external SD, and it > seems to work fine for that.) > > [1] > http://en.wikipedia.org/wiki/Secure_Digital#Card_security > "Write-protect notch" > > -- > James Cameron > http://quozl.linux.org.au/ >
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