On 12 Dec 2009, at 01:52, Gary C Martin wrote:
> Hi,
>
> Just a quick report after having spent the last hour or so trying to get a
> USB stick with SoaS Blueberry to boot on a MacBook Pro following the steps at:
>
>
> http://wiki.sugarlabs.org/go/Sugar_on_a_Stick/Blueberry#For_Mac_OS_X_Users
>
> 1). Having downloaded the .iso twice at different times, the md5 sum on that
> wiki page (4740da1026ab049b7781bbbdf21a8115) does not match the downloaded
> file (e0576a9e09d3eb13de46099c8d1ee74d), though the file size appeared
> correct on both occasions - 617,611,264 bytes (589M).
>
> [above is a fairly big potential oops, but moving on and assuming the .iso
> file is indeed correct and just the md5 is out of date]
>
> 2). The image-writer-mac script seemed to work nice and clearly to put the
> iso onto a 2GB USB stick, though I have no way to test the real result yet
> (no PC; MacBook Pro wont boot it though you can mount and browse the
> filesystem content; XO-1s OF think the USB stick has an unknown filesystem if
> you try to use them to boot/read it).
>
> 3). Using the boot CD
> http://download.sugarlabs.org/soas/releases/soas-2-boot.iso seems to working,
> up to a point. Starting up the Mac with the alt key shows the CD as a
> bootable system (a few blinks from the USB led); boots to a sugar on a stick
> splash screen – 1 second delay auto boot (a few more USB blinks); black
> screen with cursor for ~10sec or so; and then:
>
> [drm] nouveau 0000:02:00.0: PRAMIN flush timeout
>
> ...with a flashing cursor below, no keyboard access to do anything, have to
> just hard power off. Repeated a couple of times with the same result. Tried
> again in each of the 3 USB ports with same result, though with one port I had
> an extra message before above that read:
>
> hub 1-0:1.0: unable to enumerate USB device on port 1
>
> 4) Tried booting the stick on XO-1s, but open firmware complains it has an
> unknown file system format, though it does mount OK once you boot into Sugar
> (from the nand).
>
> I'll give it a try later booting in a VirtualBox VM (that worked for some
> previous SoaS builds before F12), and I'll also give it a shot after burning
> the image as a bootable CD (that used to work OK, though obviously read only
> and missing some mac friendly HW drivers). Not looking too good as far as
> native Mac support goes.
Last few tries of the evening. Just made a regular boot CD from the
soas-2-blueberry ISO (Disk Utility is the easy way to do this). The Mac is
happy to boot off the disk as far as the 'sugar on a stick' splash screen - 10
sec auto boot countdown, but then fails once it tries to go further with the
same message:
[drm] nouveau 0000:02:00.0: PRAMIN flush timeout
After some googling about, turns out to be the ever present case of unsupported
video card drivers, so if you're a Mac user who isn't using and NVIDIA GeForce
9400M or NVIDIA GeForce 9600M GT you might still be in luck (perhaps things
like a Mac Mini).
If at the splash screen I hit tab, tab to edit the boot parameters, adding
"nomodeset" will get me into a nongraphical boot that works all the way up to
just before X start's up, at which point the screen just goes black. Trying
"nomodeset single" will boot all the way to a single user root prompt, at which
typing startx will again give a black screen. I also gave "driver=vesa" a go
but that was a "[drm] nouveau 0000:02:00.0: PRAMIN flush timeout" error.
If you're curious, google for "PRAMIN flush timeout" will turn up a bunch of
Mac folks trying to run F12 (and F11 I think), some have eventually managed to
hack things up by installing basic generic drivers (non-free most likely), but
they were installing to HD so had a read/write filesystem to hack about on ;-)
My poor Mac has never seen so many reboots in one day! Oh well, back to my
shiny, proprietary, apple flavoured interface of choice ;-b
Regards,
--Gary
> Any one else seen a Mac natively boot Blueberry?
>
> Regards,
> --Gary
>
> P.S. Finally signed up to the soas mail-list :-)
>
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