It's a microSD card so there is no lock. In any case I can write to the card fine when it's mounted on my Linux desktop box. The Beaglebone boot only fails when I ask Narcissus for a systemd image and copy that to the SD card; if I do the same with the pre-built demo image it works fine.
Thanks, Martin On Apr 2, 2012, at 6:54 PM, Ewin wrote: > [ 2.065390] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. > > your SD card has been locked,check your SD card and unlock it. > > > ------------------ > Best regards > Ewin > 365015...@qq.com > > > > > > > ------------------ Original ------------------ > From: "Martin Fox"<mar...@martinfox.com>; > Date: Tue, Apr 3, 2012 01:19 AM > To: "angstrom-distro-users"<angstrom-distro-users@linuxtogo.org>; > > Subject: [Angstrom-distro-users] Narcissus images for Beaglebone DOA? > > > For the last week I've been trying to get Narcissus to kick out a bootable > image for the Beaglebone A5. If I ask Narcissus for a systemd image and burn > it to an SD card the boot freezes at this point: > > [ 1.761217] mux: Failed to setup hwmod io irq -22 > [ 1.766820] omap2_set_init_voltage: unable to get clk dpll1_ck > [ 1.772936] omap2_set_init_voltage: unable to set vdd_mpu_iva > [ 1.778937] omap2_set_init_voltage: unable to get clk l3_ick > [ 1.784849] omap2_set_init_voltage: unable to set vdd_core > [ 1.790580] Power Management for AM33XX family > [ 1.798736] registered taskstats version 1 > [ 1.803335] Detected MACID=d4:94:a1:89:da:75 > [ 1.808713] omap_rtc omap_rtc: setting system clock to 2012-04-02 17:02:04 > UT > C (1333386124) > [ 1.818377] Waiting for root device /dev/mmcblk0p2... > [ 1.914392] mmc0: host does not support reading read-only switch. assuming > wr > ite-enable. > [ 1.927681] mmc0: new high speed SDHC card at address aaaa > [ 1.933910] mmcblk0: mmc0:aaaa SU04G 3.69 GiB > [ 1.941937] mmcblk0: p1 p2 > [ 2.056827] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data > mode. O > pts: (null) > [ 2.065390] VFS: Mounted root (ext4 filesystem) readonly on device 179:2. > [ 2.078837] devtmpfs: mounted > [ 2.082292] Freeing init memory: 220K > > If I ask Narcissus for a sysvinit image the boot gets past this point but > cannot actually read files off the rootfs and begins throwing errors because > it can't read anything from /etc. Eventually I end up with a BeagleBone login > prompt but I can't actually login (unless there's some trick to logging in > without a rootfs that I just haven't learned.) > > The same SD card and card-burning procedure works fine for the demo systemd > and Cloud9 images. But performing the same steps with a Narcissus build > always yields an image that fails on way or another when mounting the root > filesystem. > > Any pointers? Known problem? > > Thanks, > Martin > > > _______________________________________________ > Angstrom-distro-users mailing list > Angstrom-distro-users@linuxtogo.org > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/angstrom-distro-users > _______________________________________________ > Angstrom-distro-users mailing list > Angstrom-distro-users@linuxtogo.org > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/angstrom-distro-users _______________________________________________ Angstrom-distro-users mailing list Angstrom-distro-users@linuxtogo.org http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/angstrom-distro-users
