FreeBSD 10.0-ALPHA1 r255532 bootup freeze on BBB

[Paul Mather]

On Sep 15, 2013, at 1:25 AM, Su Kang Yin wrote:

> Hi,
> 
> I found that issue.
> 
> It is because I disabled this options:
> 
> #options        DDB                     #Enable the kernel debugger
> #options        INVARIANTS              #Enable calls of extra sanity checking
> #options        INVARIANT_SUPPORT       #Extra sanity checks of
> internal structures, required by INVARIANTS
> #options        WITNESS                 #Enable checks to detect
> deadlocks and cycles
> #options        WITNESS_SKIPSPIN        #Don't run witness on
> spinlocks for speed
> #options        DIAGNOSTIC
> 
> Without them rootfs does not mount (kernel does not freeze, when I
> eject mmc, kernel shows "mmc0: detached")
> 
> 
> I use default kernel config and it works fine.

I can report that this also happened to me on BeagleBone Black with those debugging options removed.  The kernel would boot but would then stop when trying to mount the root file system.

Oddly enough, a kernel of the same revision (r255420) with those debugging options removed will boot to multi-user on Raspberry Pi.

Cheers,

Paul.

> 
> Thanks,
> Yin
> 
> On 15 September 2013 07:25, Tim Kientzle <tim at kientzle.com> wrote:
>> 
>> On Sep 14, 2013, at 12:55 PM, Ian Lepore <ian at freebsd.org> wrote:
>> 
>>> On Sun, 2013-09-15 at 01:15 +0800, Su Kang Yin wrote:
>>>> Log:
>>>> 
>>>> 48.0MHz/4bit/65535-block
>>>> uhub0: 1 port with 1 removable, self powered
>>>> uhub1: 1 port with 1 removable, self powered
>>>> 
>>>> ^^^^^^^^^^ Stuck here.... and I didn't connect any usb device.
>>>> 
>>>> Any idea?
>>>> 
>>> 
>>> Two thoughts... make sure you're powering the board with a 5v adapter,
>>> not through a usb connection,
>> 
>> I have lots of 5v supplies around but when I recently tried
>> to run one of my BBB from a USB connection, it did hang
>> a lot.  The BBW worked okay, though.
>> 
>> I suspect we're missing some boot code to detect
>> the power source and adjust the CPU clock accordingly.
>> 
>>> and try adding this to your kernel config:
>>> 
>>> option USB_HOST_ALIGN=64
>>> 
>>> If I don't use a separate power supply I get strange usb errors (but not
>>> a hang).  If I do use the power supply, I get a data abort.  Usb has
>>> never worked on my BBW, but I don't need it, so I've never tried hard to
>>> figure out why.
>> 
>> I've just recently started tinkering with USB on my BBB here.
>> In particular, I've been able to run a urtwn USB Wifi adapter
>> (Specifically: adafru.it/814).
>> 
>> I haven't tried with the BBW, though.
>> 
>> Tim
>> 
>> 
>> _______________________________________________
>> freebsd-arm at freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-arm
>> To unsubscribe, send any mail to "freebsd-arm-unsubscribe at freebsd.org"
> _______________________________________________
> freebsd-arm at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-arm
> To unsubscribe, send any mail to "freebsd-arm-unsubscribe at freebsd.org"
>