From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Ron Economos <re@w6rz.net>
Cc: Nathan Chancellor <nathan@kernel.org>,
Sasha Levin <sashal@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Dimitri John Ledkov <dimitri.ledkov@canonical.com>,
Anup Patel <anup@brainfault.org>,
stable@vger.kernel.org, linux-riscv@lists.infradead.org
Subject: Re: Apply f2928e224d85e7cc139009ab17cefdfec2df5d11 to 5.15 and 5.10?
Date: Fri, 12 Aug 2022 17:36:46 +0200 [thread overview]
Message-ID: <YvZzjmVDDyWzIUDb@kroah.com> (raw)
In-Reply-To: <9e2b9fbd-c597-f310-aad2-06c85c8ce31c@w6rz.net>
On Thu, Aug 11, 2022 at 08:23:21PM -0700, Ron Economos wrote:
> On 8/11/22 5:24 PM, Nathan Chancellor wrote:
> > Hi all,
> >
> > Would it be reasonable to apply commit f2928e224d85 ("riscv: set default
> > pm_power_off to NULL") to 5.10 and 5.15? I see the following issue when
> > testing OpenSUSE's RISC-V configuration in QEMU and it is resolved with
> > that change.
> >
> > Requesting system poweroff
> > [ 4.497128][ T177] reboot: Power down
> > [ 32.045207][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [init:177]
> > [ 32.045785][ C0] Modules linked in:
> > [ 32.046166][ C0] CPU: 0 PID: 177 Comm: init Not tainted 5.15.60-default #1 5b276f06901b1c37142db73337a1816290810c90
> > [ 32.046814][ C0] Hardware name: riscv-virtio,qemu (DT)
> > [ 32.047256][ C0] epc : default_power_off+0x1a/0x20
> > [ 32.047667][ C0] ra : machine_power_off+0x22/0x2a
> > [ 32.047979][ C0] epc : ffffffff80004a4a ra : ffffffff80004abe sp : ffffffd000bc3d50
> > [ 32.048405][ C0] gp : ffffffff81bec160 tp : ffffffe002080000 t0 : ffffffff80490964
> > [ 32.048827][ C0] t1 : 0720072007200720 t2 : 50203a746f6f6265 s0 : ffffffd000bc3d60
> > [ 32.049245][ C0] s1 : 000000004321fedc a0 : 0000000000000004 a1 : ffffffff81b073c8
> > [ 32.049676][ C0] a2 : 0000000000000010 a3 : 00000000000000ab a4 : e0b1d187e51c7400
> > [ 32.050115][ C0] a5 : ffffffff80004a30 a6 : c0000000ffffdfff a7 : ffffffff804ea464
> > [ 32.050555][ C0] s2 : 0000000000000000 s3 : ffffffff81a20390 s4 : fffffffffee1dead
> > [ 32.051009][ C0] s5 : ffffffff81bee0c8 s6 : 0000003feff55a70 s7 : 0000002acc09bf08
> > [ 32.051427][ C0] s8 : 0000000000000001 s9 : 0000000000000000 s10: 0000002b0a4db6e0
> > [ 32.051849][ C0] s11: 0000000000000000 t3 : ffffffe001e2bf00 t4 : ffffffe001e2bf00
> > [ 32.052274][ C0] t5 : ffffffe001e2b000 t6 : ffffffd000bc3ac8
> > [ 32.052604][ C0] status: 0000000000000120 badaddr: 0000000000000000 cause: 8000000000000005
> > qemu-system-riscv64: terminating on signal 15 from pid 2356237 (timeout)
> >
> > I am not sure if there is any regression potential with that change,
> > hence this email. That change applies cleanly to both trees and I don't
> > see any additional problems from it.
> >
> > Cheers,
> > Nathan
>
> Should be fine. I apply this patch to all of my 5.15.x stable builds to
> enable warm reboot on the HiFive Unmatched.
>
Now queued up, thanks.
greg k-h
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next prev parent reply other threads:[~2022-08-12 15:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-12 0:24 Apply f2928e224d85e7cc139009ab17cefdfec2df5d11 to 5.15 and 5.10? Nathan Chancellor
2022-08-12 3:23 ` Ron Economos
2022-08-12 15:36 ` Greg Kroah-Hartman [this message]
2022-08-12 16:40 ` Palmer Dabbelt
2022-08-12 17:00 ` Conor.Dooley
2022-08-15 16:31 ` Nathan Chancellor
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