linux-kernel - Re: [PATCH -next V17 4/7] riscv: entry: Convert to generic entry

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Date:   Sat, 01 Apr 2023 15:19:24 +0200
From:   Björn Töpel <bjorn@...nel.org>
To:     Heiko Stübner <heiko@...ech.de>,
        Guo Ren <guoren@...nel.org>
Cc:     Conor Dooley <conor@...nel.org>, arnd@...db.de,
        palmer@...osinc.com, tglx@...utronix.de, peterz@...radead.org,
        luto@...nel.org, conor.dooley@...rochip.com, jszhang@...nel.org,
        lazyparser@...il.com, falcon@...ylab.org, chenhuacai@...nel.org,
        apatel@...tanamicro.com, atishp@...shpatra.org,
        mark.rutland@....com, ben@...adent.org.uk, palmer@...belt.com,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Guo Ren <guoren@...ux.alibaba.com>,
        Björn Töpel <bjorn@...osinc.com>,
        Yipeng Zou <zouyipeng@...wei.com>
Subject: Re: [PATCH -next V17 4/7] riscv: entry: Convert to generic entry

>> > > > This has unfortunately broken booting my usual NFS rootfs on both my D1
>> > > > and Icicle. It's one of the Fedora images from David, I think this one:
>> > > > http://fedora.riscv.rocks/kojifiles/work/tasks/3933/1313933/
>> > > >
>> > > > It gets pretty far into things, it's once systemd is operational that
>> > > > things go pear shaped:
>> > >
>> > > Shoulda said, can share the full logs if required of course, but they're
>> > > quite verbose cos systemd etc.
>> >
>> > I was just investigating the same thing just now. So that saves me some
>> > tracking down the culprit :-) .
>> >
>> > My main qemu is living as a "board" in my boardfarm (also doing nfsroot)
>> > as well as my d1 nezha with nfsroot was affected.
>> Can you reproduce it with qemu? Could give me some tips and let me
>> reproduce it on qemu?

FWIW, I'm getting the systemd issue w/o NFS, on a regular 9p virtfs.

| $ sudo mmdebstrap --architecture=riscv64 lunar rv-rootfs http://ports.ubuntu.com

and the rootfs qemu config:
 |  -fsdev local,id=root,path=/path/to/rv-rootfs/,security_model=none \
 |  -device virtio-9p-pci,fsdev=root,mount_tag=/dev/root \
 |  -append "root=/dev/root rw rootfstype=9p rootflags=version=9p2000.L,trans=virtio,cache=mmap,access=any security=none earlycon console=tty0 console=ttyS0"