Date: Wed, 6 Sep 2023 20:18:04 +0930 From: "Daniel O'Connor" <darius@dons.net.au> To: Christopher Bowman <crb@chrisbowman.com> Cc: hackers@freebsd.org Subject: Re: Trouble booting current on ARM Message-ID: <CEF3386F-DCE5-4434-86A1-C2B4CE4F64CF@dons.net.au> In-Reply-To: <8653BBBD-9EE5-4B53-ADB7-2BE5577BD819@chrisbowman.com> References: <8653BBBD-9EE5-4B53-ADB7-2BE5577BD819@chrisbowman.com>
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Hi Christopherm,, > On 6 Sep 2023, at 15:23, Christopher Bowman <crb@chrisbowman.com> = wrote: >=20 > Apologies if this is a duplicate but I didn=E2=80=99t see this come = out on the list: >=20 > I=E2=80=99ve been using an Arty-Z7 from Diligent for several years = now. This is a AMD/Xilinx ZYNQ based board. It=E2=80=99s mostly = similar to a ZED board which has an in tree kernel config. It has = worked fine with 13.0. I=E2=80=99m now looking to mowe my work forward = and keep pace with the project. I=E2=80=99d like to eventually upgrade = to 14.0 when it comes out. In preparation I built a new release using = sources from after the 14.0 branch. I=E2=80=99m able to cross build = fine but when I boot the kernel I see the crash below, Has anyone seen = panic: Storing an invalid VFP state. Any information or ideas about = what might be happening before I try to debug? Any information at all = would be helpful. >=20 > Is anyone else running a Zynq based board of any kind with a recent = 14.0 or current kernel? I don't have any experience as yet but I do have a Zynq board I am = playing around with so your experience is interesting :) > panic: Storing an invalid VFP state Regarding the panic - it is only checked when INVARIANTS is on, so if = you previously had been using stable it would not be on by default. ie the problem may have always been present but masked. I would try #if'ing out the KASSERT in sys/arm64/arm64/vfp.c around line = 190 and see what else breaks. -- Daniel O'Connor "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum
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