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Date:      Sat, 25 May 2024 19:37:16 -0700
From:      Ryan Libby <rlibby@freebsd.org>
To:        =?UTF-8?Q?Bojan_Novkovi=C4=87?= <bnovkov@freebsd.org>
Cc:        Nuno Teixeira <eduardo@freebsd.org>, Tomoaki AOKI <junchoon@dec.sakura.ne.jp>,  FreeBSD CURRENT <freebsd-current@freebsd.org>
Subject:   Re: main cadd2ca217 doesn't boot
Message-ID:  <CAHgpiFx%2B%2B6K=dqt7Uzqr%2BqN4htF9v2irNy%2BvDW=FvDMJFh7pTA@mail.gmail.com>
In-Reply-To: <20240526094658.eb49ee3046a7ea21c9329d60@dec.sakura.ne.jp>
References:  <CAFDf7ULsNvfmxwAunE1AzqjoCt2o=XSnzVbkMu3G4StiYU_0FA@mail.gmail.com> <20240526094658.eb49ee3046a7ea21c9329d60@dec.sakura.ne.jp>

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On Sat, May 25, 2024 at 5:47=E2=80=AFPM Tomoaki AOKI <junchoon@dec.sakura.n=
e.jp> wrote:
>
> On Sun, 26 May 2024 00:21:31 +0100
> Nuno Teixeira <eduardo@freebsd.org> wrote:
>
> > Hello,
> >
> > Just upgraded to latest main at cadd2ca217
> >
> > Boot menu shows up and then it stops earlier around:
> > ..
> > FreeBSD clang version ...
> >
> > No crash dump.
> >
> > Thanks,
> >
> > --
> > Nuno Teixeira
> > FreeBSD UNIX:  <eduardo@FreeBSD.org>   Web:  https://FreeBSD.org
>
> Just a FYI:
> commit 40d951bc5932deb87635f5c1780a6706d0c7c012, amd64 boots fine for
> me. So commits after 02d15215cef2a28f1865e6ad5b19f18af1398b8b caused
> the problem, maybe.
>
> Regards.
>
> --
> Tomoaki AOKI    <junchoon@dec.sakura.ne.jp>
>

I'm on amd64 running GENERIC.

This boots:
9b1de7e4844d vt/sc: retire logic to select vt(4) by default for UEFI boot

This doesn't:
da76d349b6b1 uma: Deduplicate uma_small_alloc

On one failed boot I saw a failed MPASS
panic: Assertion size !=3D 0 && qsize !=3D 0 failed at
/usr/src/freebsd/sys/kern/subr_vmem.c:427

Followed by about 1000 stack frames with 7 frames repeating, presumably
deep/infinite recursion.

Probably want to back this out until stabilized.

Ryan



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