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References: <20230222033021.983168-1-guoren@kernel.org> <60ee7c26-1a70-427d-beaf-92e2989fc479@spud>
 <ee83cd00-1f97-49a0-b1f6-b8b4f3ce7258@spud> <23668656.ouqheUzb2q@diego>
In-Reply-To: <23668656.ouqheUzb2q@diego>
From:   Guo Ren <guoren@kernel.org>
Date:   Fri, 31 Mar 2023 22:15:32 -0400
Message-ID: <CAJF2gTSWETHhQFuE19H+RVX6Jbue+UAu8o94QoBFx65NABas1Q@mail.gmail.com>
Subject: Re: [PATCH -next V17 4/7] riscv: entry: Convert to generic entry
To:     =?UTF-8?Q?Heiko_St=C3=BCbner?= <heiko@sntech.de>
Cc:     Conor Dooley <conor@kernel.org>, arnd@arndb.de,
        palmer@rivosinc.com, tglx@linutronix.de, peterz@infradead.org,
        luto@kernel.org, conor.dooley@microchip.com, jszhang@kernel.org,
        lazyparser@gmail.com, falcon@tinylab.org, chenhuacai@kernel.org,
        apatel@ventanamicro.com, atishp@atishpatra.org,
        mark.rutland@arm.com, ben@decadent.org.uk, bjorn@kernel.org,
        palmer@dabbelt.com, linux-arch@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
        Guo Ren <guoren@linux.alibaba.com>,
        =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= <bjorn@rivosinc.com>,
        Yipeng Zou <zouyipeng@huawei.com>
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On Fri, Mar 31, 2023 at 2:47=E2=80=AFPM Heiko St=C3=BCbner <heiko@sntech.de=
> wrote:
>
> Hi,
>
> Am Freitag, 31. M=C3=A4rz 2023, 20:41:35 CEST schrieb Conor Dooley:
> > On Fri, Mar 31, 2023 at 07:34:38PM +0100, Conor Dooley wrote:
> > > On Tue, Feb 21, 2023 at 10:30:18PM -0500, guoren@kernel.org wrote:
> > > > From: Guo Ren <guoren@linux.alibaba.com>
> > > >
> > > > This patch converts riscv to use the generic entry infrastructure f=
rom
> > > > kernel/entry/*. The generic entry makes maintainers' work easier an=
d
> > > > codes more elegant. Here are the changes:
> > > >
> > > >  - More clear entry.S with handle_exception and ret_from_exception
> > > >  - Get rid of complex custom signal implementation
> > > >  - Move syscall procedure from assembly to C, which is much more
> > > >    readable.
> > > >  - Connect ret_from_fork & ret_from_kernel_thread to generic entry.
> > > >  - Wrap with irqentry_enter/exit and syscall_enter/exit_from_user_m=
ode
> > > >  - Use the standard preemption code instead of custom
> > >
> > > 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 on=
e:
> > > 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'r=
e
> > 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?

>
> Though my board is stuck in some failure loop with both the journal- as
> well as the timesyncd service failing again and again. And I haven't
> figured out how to get logs without a working login console yet.
>
>
> Heiko
>
>
> >
> > >
> > > [  OK  ] Mounted Huge Pages File System.
> > > [   70.297439] systemd[1]: Mounted POSIX Message Queue File System.
> > > [  OK  ] Mounted POSIX Message Queue File System.
> > > [   70.453489] systemd[1]: Mounted Kernel Debug File System.
> > > [  OK  ] Mounted Kernel Debug File System.
> > > [   70.516331] systemd[1]: Mounted Kernel Trace File System.
> > > [  OK  ] Mounted Kernel Trace File System.
> > > [   70.679253] systemd[1]: modprobe@configfs.service: Succeeded.
> > > [   70.788400] systemd[1]: Finished Load Kernel Module configfs.
> > > [  OK  ] Finished Load Kernel Module configfs.
> > > [   71.501222] systemd[1]: modprobe@drm.service: Succeeded.
> > > [   71.573295] systemd[1]: Finished Load Kernel Module drm.
> > > [  OK  ] Finished Load Kernel Module drm.
> > > [   71.825934] systemd[1]: modprobe@fuse.service: Succeeded.
> > > [   71.886945] systemd[1]: Finished Load Kernel Module fuse.
> > > [  OK  ] Finished Load Kernel Module fuse.
> > > [   71.991932] systemd[1]: nfs-convert.service: Succeeded.
> > > [   72.034674] systemd[1]: Finished Preprocess NFS configuration conv=
ertion.
> > > [  OK  ] Finished Preprocess NFS configuration convertion.
> > > [   72.148778] systemd[1]: systemd-modules-load.service: Main process=
 exited, code=3Dexited, status=3D1/FAILURE
> > > [   72.256659] systemd[1]: systemd-modules-load.service: Failed with =
result 'exit-code'.
> > > [   72.337818] systemd[1]: Failed to start Load Kernel Modules.
> > > [FAILED] Failed to start Load Kernel Modules.
> > > See 'systemctl status systemd-modules-load.service' for details.
> > > [   72.410491] systemd[1]: systemd-modules-load.service: Consumed 1.4=
63s CPU time.
> > > [   72.496739] systemd[1]: Condition check resulted in FUSE Control F=
ile System being skipped.
> > > [   72.513689] systemd[1]: Condition check resulted in Kernel Configu=
ration File System being skipped.
> > > [   72.682549] systemd[1]: Starting Apply Kernel Variables..
> > > [  OK  ] Finished Apply Kernel Variables.
> > > [   76.314434] systemd[1]: Finished Load/Save Random Seed.
> > > [  OK  ] Finished Load/Save Random Seed.
> > > [***   ] (1 of 6) A start job is running for=E2=80=A6p Virtual Consol=
e (14s / no limit)
> > > [  OK  ] Finished Create Static Device Nodes in /dev.
> > > [   79.787065] systemd[1]: Started Entropy Daemon based on the HAVEGE=
 algorithm.
> > > [  OK  ] Started Entropy Daemon based on the HAVEGE algorithm.
> > > [   80.186295] systemd[1]: Starting Journal Service...
> > >          Starting Journal Service...
> > > [   80.713508] systemd[1]: Starting Rule-based Manager for Device Eve=
nts and Files...
> > >          Starting Rule-based Manage=E2=80=A6for Device Events and Fil=
es...
> > > [  *** ] (2 of 7) A start job is running for=E2=80=A6 All udev Device=
s (17s / no limit)
> > > [   82.939347] systemd[1]: systemd-journald.service: Main process exi=
ted, code=3Dexited, status=3D1/FAILURE
> > > [   83.032046] systemd[1]: systemd-journald.service: Failed with resu=
lt 'exit-code'.
> > > [FAILED] Failed to start Journal Service.
> > > See 'systemctl status systemd-journald.service' for details.
> > > [   83.210041] systemd[1]: Dependency failed for Flush Journal to Per=
sistent Storage.
> > > [DEPEND] Dependency failed for Flus=E2=80=A6Journal to Persistent Sto=
rage.
> > > [   83.254122] systemd[1]: systemd-journal-flush.service: Job systemd=
-journal-flush.service/start failed with result 'dependency'.
> > > [   83.272366] systemd[1]: systemd-journald.service: Consumed 1.443s =
CPU time.
> > > [   83.334360] systemd[1]: systemd-journald.service: Scheduled restar=
t job, restart counter is at 1.
> > > [   83.427839] systemd[1]: Finished Setup Virtual Console.
> > > [  OK  ] Finished Setup Virtual Console.
> > > [   83.510650] systemd[1]: Stopped Journal Service.
> > > [  OK  ] Stopped Journal Service.
> > > [   83.554417] systemd[1]: systemd-journald.service: Consumed 1.443s =
CPU time.
> > > [   83.576573] systemd[1]: Condition check resulted in Journal Audit =
Socket being skipped.
> > > [   83.904878] systemd[1]: Starting Journal Service...
> > >          Starting Journal Service...
> > > [   85.752090] systemd[1]: systemd-journald.service: Main process exi=
ted, code=3Dexited, status=3D1/FAILURE
> > > [   85.826421] systemd[1]: systemd-journald.service: Failed with resu=
lt 'exit-code'.
> > > [   85.876165] systemd[1]: Failed to start Journal Service.
> > > [FAILED] Failed to start Journal Service.
> > > See 'systemctl status systemd-journald.service' for details.
> > > [   85.952221] systemd[1]: systemd-journald.service: Consumed 1.355s =
CPU time.
> > > [   86.002092] systemd[1]: systemd-journald.service: Scheduled restar=
t job, restart counter is at 2.
> > > [   86.015081] systemd[1]: Stopped Journal Service.
> > > [  OK  ] Stopped Journal Service.
> > > [   86.076429] systemd[1]: systemd-journald.service: Consumed 1.355s =
CPU time.
> > > [   86.089700] systemd[1]: Condition check resulted in Journal Audit =
Socket being skipped.
> > > [   86.390162] systemd[1]: Starting Journal Service...
> > >          Starting Journal Service...
> > > [   87.904427] systemd[1]: systemd-journald.service: Main process exi=
ted, code=3Dexited, status=3D1/FAILURE
> > > [   87.950259] systemd[1]: systemd-journald.service: Failed with resu=
lt 'exit-code'.
> > > [   88.000661] systemd[1]: Failed to start Journal Service.
> > > [FAILED] Failed to start Journal Service.
> > > See 'systemctl status systemd-journald.service' for details.
> > > [   88.079953] systemd[1]: systemd-journald.service: Consumed 1.316s =
CPU time.
> > > [   88.128956] systemd[1]: systemd-journald.service: Scheduled restar=
t job, restart counter is at 3.
> > > [   88.145365] systemd[1]: Stopped Journal Service.
> > > [  OK  ] Stopped Journal Service.
> > > [   88.189975] systemd[1]: systemd-journald.service: Consumed 1.316s =
CPU time.
> > > [   88.205799] systemd[1]: Condition check resulted in Journal Audit =
Socket being skipped.
> > > [   88.514817] systemd[1]: Starting Journal Service...
> > >          Starting Journal Service...
> > >
> > > (Note, you need to merge -rc2 into riscv/for-next to actually boot)
> > >
> > > Cheers,
> > > Conor.
> >
> >
> >
>
>
>
>


--=20
Best Regards
 Guo Ren