Hi,

I'll leave my BBB running with v4.1.0 vanilla, with Debian unstable
userland.

On Mon, Aug 10, 2015 at 02:20:22PM -0500, Robert Nelson wrote:
> On Mon, Aug 10, 2015 at 2:16 PM, Robert Nelson <[email protected]> 
> wrote:
> > On Mon, Aug 10, 2015 at 2:00 PM, Felipe Balbi <[email protected]> wrote:
> >> Hi,
> >>
> >> On Mon, Aug 10, 2015 at 01:56:04PM -0500, Robert Nelson wrote:
> >>> On Mon, Aug 10, 2015 at 1:05 PM, Robert Nelson <[email protected]> 
> >>> wrote:
> >>> > On Mon, Aug 10, 2015 at 11:23 AM, Nuno Gonçalves <[email protected]> 
> >>> > wrote:
> >>> >> 3 weeks ago I asked for it "For what is worth I believe the OMAP and
> >>> >> PMIC reset reason registers should be part of the boot log so future
> >>> >> reboot problems can be sorted.".
> >>> >>
> >>> >> But I just asked, I didn't actually code!
> >>> >>
> >>> >> Not sure if it is easy to retrieve both, or if PMIC is that much
> >>> >> relevant for this issues.
> >>> >>
> >>> >> Anyway, this will surely take out black magic from the equation when
> >>> >> debugging this problems.
> >>> >
> >>> > Okay here's something quick/dirty...
> >>> >
> >>> > http://rcn-ee.homeip.net:81/farm/testing/v4.1.x/MLO-am335x_evm-v2015.07-r3
> >>> > http://rcn-ee.homeip.net:81/farm/testing/v4.1.x/u-boot-am335x_evm-v2015.07-r3.img
> >>> >
> >>> > #patch:
> >>> > https://github.com/RobertCNelson/Bootloader-Builder/blob/master/patches/v2015.07/0001-am335x_evm-uEnv.txt-bootz-n-fixes.patch#L21
> >>> >
> >>> > make sure the eMMC doesn't have it's own bootloader:
> >>> >
> >>> > U-Boot 2015.07-00001-gd8d32cf (Aug 10 2015 - 12:54:52 -0500)
> >>> >
> >>> >        Watchdog enabled
> >>> > I2C:   ready
> >>> > DRAM:  512 MiB
> >>> > Reset Source: Global external warm reset has occurred.
> >>> > Reset Source: Power-on reset has occurred.
> >>> > MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
> >>> > Using default environment
> >>> >
> >>> > dd if=/dev/zero of=/dev/mmcblk1 bs=1M count=10
> >>> >
> >>> > sudo dd if=MLO-am335x_evm-v2015.07-r3 of=/dev/sde count=1 seek=1 bs=128k
> >>> > sudo dd if=u-boot-am335x_evm-v2015.07-r3.img of=/dev/sde count=2 seek=1 
> >>> > bs=384k
> >>> >
> >>> > I need to fire up x86, that's attached to the bbb's (right now i can't
> >>> > log serial)
> >>>
> >>> Okay.... within a few minutes the first board rebooted...
> >>>
> >>> "Reset Source: Power-on reset has occurred." ....
> >>
> >> weird, this is likely either flakey DC Jack connection, or PMIC going
> >> bonkers.
> >>
> >> How do you guys reproduce this ? Is the board idle or is it running ?
> >> Which gadget driver ? Is USB cable connected to a host ? A desktop
> >> host or wired back into the host port of BBB itself ?
> >>
> >> I wanna try to reproduce it here.
> >
> > Pretty much just grab:
> >
> > http://rcn-ee.com/rootfs/bb.org/testing/2015-08-09/console/bb-debian-8.1-console-armhf-2015-08-09-2gb.img.xz
> >
> > dd it to a microSD card and just let it idle..
> >
> > powered via DC
> > ethernet connected (i was echoing "uptime -p" to a file on nfs)
> > serial debug attached
> > usb otg = not connected.. (if you connect this it'll stay ON and won't 
> > reset)
> > usb host = not connected
> > hdmi = not connected
> > no capes plugged in
> >
> > gadget drivers: 4.1.4-ti-rt-r8
> >
> > CONFIG_USB_MUSB_HDRC=y
> > # CONFIG_USB_MUSB_HOST is not set
> > # CONFIG_USB_MUSB_GADGET is not set
> > CONFIG_USB_MUSB_DUAL_ROLE=y
> >
> > CONFIG_USB_MUSB_DSPS=y
> > CONFIG_USB_MUSB_AM335X_CHILD=y
> > # CONFIG_USB_TI_CPPI41_DMA is not set
> > CONFIG_MUSB_PIO_ONLY=y
> >
> > CONFIG_USB_LIBCOMPOSITE=y
> > CONFIG_USB_U_ETHER=y
> > CONFIG_USB_F_ECM=y
> > CONFIG_USB_F_SUBSET=y
> > CONFIG_USB_F_RNDIS=y
> > # CONFIG_USB_CONFIGFS is not set
> > # CONFIG_USB_ZERO is not set
> > # CONFIG_USB_AUDIO is not set
> > CONFIG_USB_ETH=y
> > CONFIG_USB_ETH_RNDIS=y
> >
> > https://github.com/RobertCNelson/ti-linux-kernel-dev/blob/4.1.4-ti-rt-r8/patches/defconfig#L4804-L4813
> 
> Opps that's the rt variant..
> 
> https://github.com/RobertCNelson/ti-linux-kernel-dev/blob/4.1.4-ti-r8/patches/defconfig#L4810-L4819
> 
> (that section is the same, but to dot the i's)
> 
> Regards,
> 
> -- 
> Robert Nelson
> https://rcn-ee.com/

-- 
balbi

-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/d/optout.

Attachment: signature.asc
Description: Digital signature

Reply via email to