Date: Sun, 18 Mar 2018 11:50:16 -0600 From: Ian Lepore <ian@freebsd.org> To: bob prohaska <fbsd@www.zefox.net>, freebsd-arm@freebsd.org Subject: Re: RPi3 boot stops at Using DTB provided by EFI at 0x8004000. Message-ID: <1521395416.99081.89.camel@freebsd.org> In-Reply-To: <20180318171504.GA99158@www.zefox.net> References: <20180318171504.GA99158@www.zefox.net>
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On Sun, 2018-03-18 at 10:15 -0700, bob prohaska wrote: > An RPi3 hangs on boot with the console message > Using DTB provided by EFI at 0x8004000. > > The system just completed an OS build/install cycle on r331088, the > only obvious change is some additional console output, which ends > with > > > > > > > > > FreeBSD EFI boot block > Loader path: /boot/loader.efi > > Initializing modules: ZFS UFS > Probing 5 block devices......** done > ZFS found no pools > UFS found 2 partitions > Consoles: EFI console > Command line arguments: loader.efi > Image base: 0x379ad008 > EFI version: 2.05 > EFI Firmware: Das U-boot (rev 0.00) > > FreeBSD/arm64 EFI loader, Revision 1.1 > (Sun Mar 18 04:46:21 PDT 2018 bob@www.zefox.org) > BootCurrent: 0000 > BootOrder: 0004 0000[*] 0000[*] 0000[*] 5990 3af8 0000[*] 0000[*] > ed78 3ab2 0000[*] 0000[*] 28ec 3af6 0000[*] 0000[*] 0067 0000[*] > 0000[*] 0000[*] 02e0 3ab4 0000[*] 0000[*] 5000 3af8 0000[*] 0000[*] > ee20 3ab2 0000[*] 0000[*] 2a48 3af6 0000[*] 0000[*] 5990 3af8 0000[*] > 0000[*] 6000 3794 0000[*] 0000[*] 6000 3394 0000[*] 0000[*] 4000 > 0000[*] 0000[*] 0000[*] d520 3ab3 0000[*] 0000[*] 5000 3af8 0000[*] > 0000[*] 4000 0000[*] 0000[*] 0000[*] 1000 0000[*] 0000[*] 0000[*] > 6000 3394 0000[*] 0000[*] 0000[*] 0000[*] 0000[*] 0000[*] 0000[*] > 0000[*] 0000[*] 0000[*] 0000[*] 0000[*] 0000[*] 0000[*] 0000[*] > 0000[*] 0000[*] 0000[*] 02e0 3ab4 0000[*] 0000[*] 0000[*] 0000[*] > 0000[*] 0000[*] ff20 3ab3 0000[*] 0000[*] > Loading /boot/defaults/loader.conf > /boot/kernel/kernel text=0x4e1587 data=0xe7320+0x70243c > syms=[0x8+0x9e2b0+0x8+0x7e497] > /boot/entropy size=0x1000 > > Hit [Enter] to boot immediately, or any other key for command prompt. > Booting [/boot/kernel/kernel]... > Using DTB provided by EFI at 0x8004000. > > At this point the machine becomes stuck. Power-cycling allows an > older > kernel, built on r326343, to come up normally. Both the functional > and > non-functional kernels were built using a custom config file, which > can > be seen at http://www.zefox.net/~fbsd/rpi3/kernel_config/ZEFOX > > Thanks for reading, I'd be grateful for any workarounds. > > bob prohaska Are you sure it really stopped? I thought the same thing was happening yesterday on my RPi-B while testing efi booting, and it turned out that I just had no console, so it appeared to go dead. Then a couple minutes later I noticed I had a login prompt on the serial terminal. -- Ian
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