linux-kernel - Re: 5.4-rc1 boot regression with kmemleak enabled

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Message-ID: <CAOQ4uxjm=tWsQpfLkY9O_3qWK86X=kCD19P8zJAQjs5ms_RfZw@mail.gmail.com>
Date:   Tue, 5 Nov 2019 14:33:48 +0200
From:   Amir Goldstein <amir73il@...il.com>
To:     Catalin Marinas <catalin.marinas@....com>
Cc:     Theodore Tso <tytso@....edu>, fstests <fstests@...r.kernel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Michal Hocko <mhocko@...nel.org>, Qian Cai <cai@....pw>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux MM <linux-mm@...ck.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: 5.4-rc1 boot regression with kmemleak enabled

On Tue, Nov 5, 2019 at 1:54 PM Catalin Marinas <catalin.marinas@....com> wrote:
>
> (sorry if you got this message twice; our SMTP server went bust)
>
> On Tue, Nov 05, 2019 at 09:14:06AM +0200, Amir Goldstein wrote:
> > My kvm-xfstests [1] VM doesn't boot with kmemleak enabled since commit
> > c5665868183f ("mm: kmemleak: use the memory pool for early allocations").
> >
> > There is no console output when running:
> >
> > $ kvm -boot order=c -net none -machine type=pc,accel=kvm:tcg -cpu host \
> >     -drive file=$ROOTFS,if=virtio,snapshot=on -vga none -nographic \
> >     -smp 2 -m 2048 -serial mon:stdio --kernel $KERNEL \
> >     --append 'root=/dev/vda console=ttyS0,115200'
>
> This was fixed in 5.4-rc4, see commit 2abd839aa7e6 ("kmemleak: Do not
> corrupt the object_list during clean-up").
>

Did not fix my issue.
Still not booting with 5.4-rc6.
Any other suggestions?

Thanks,
Amir.