From: Salvatore Bonaccorso <carnil@debian.org>
To: "Terry Bowman" <terry.bowman@amd.com>,
"Robert Richter" <rrichter@amd.com>,
"Jean Delvare" <jdelvare@suse.de>,
"Guenter Roeck" <linux@roeck-us.net>,
"Wim Van Sebroeck" <wim@linux-watchdog.org>,
"программист некто" <programmer11180@programist.ru>
Cc: linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Report of a nonworking P5100/SB800 TCO WatchDog after 1f182aca2300 ("Watchdog: sp5100_tco: Refactor MMIO base address initialization") changes
Date: Fri, 28 Feb 2025 06:48:24 +0100 [thread overview]
Message-ID: <Z8FOKKYfxigexFhJ@eldamar.lan> (raw)
In-Reply-To: <Z8FNaycb6bpW9JA_@eldamar.lan>
On Fri, Feb 28, 2025 at 06:45:15AM +0100, Salvatore Bonaccorso wrote:
> Hi
>
> A user in Debian reported quite a long back an issue that after the
> update to the 5.18 version but present still up to recent kernel
> versions his SP5100/SB800 TCO WatchDog would not work anymore.
>
> The report is at: https://bugs.debian.org/1054231
>
> > Hello. WatchDog broken since version 5.17. Kernel write an error to syslog.
> > Tested versions: 5.10, 5.15, 5.16, 5.17, 5.19, 6.1, 6.5.
> >
> > From syslog:
> > KERNEL 5.16 (and lower)
> > Oct 19 12:24:12 debian-gateway kernel: Linux version 5.16.0-6-amd64 (debian-kernel@lists.debian.org) (gcc-11 (Debian 11.2.0-19) 11.2.0, GNU ld (GNU Binutils for Debian) 2.38) #1 SMP PREEMPT Debian 5.16.18-1 (2022-03-29)
> > ...
> > Oct 19 12:24:13 debian-gateway kernel: sp5100_tco: SP5100/SB800 TCO WatchDog Timer Driver
> >
> > KERNEL 5.17 (and higher)
> > Oct 18 20:36:00 debian-gateway kernel: Linux version 5.17.0-3-amd64 (debian-kernel@lists.debian.org) (gcc-11 (Debian 11.3.0-3) 11.3.0, GNU ld (GNU Binutils for Debian) 2.38) #1 SMP PREEMPT Debian 5.17.11-1 (2022-05-26)
> > ...
> > Oct 18 20:36:01 debian-gateway kernel: sp5100_tco: SP5100/SB800 TCO WatchDog Timer Driver
> > Oct 18 20:36:01 debian-gateway kernel: sp5100-tco sp5100-tco: Failed to reserve MMIO or alternate MMIO region
> > Oct 18 20:36:01 debian-gateway kernel: sp5100-tco: probe of sp5100-tco failed with error -16
>
> I had a look only recently at open bugs which were stalled in Debian
> and had a look at upstrema changes, and I'm not sure if this was a
> kernel problem at all an the change is introduced around
>
>
> 5559598742fb ("drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags")
> (https://git.kernel.org/linus/1f182aca230086d4a4469c0f9136a6ea762d6385)
> which is 5.18-rc1 and got backported to 5.17.10 and 5.15.42.
And me failing twice in a row, the above should clearly be
1f182aca2300 ("Watchdog: sp5100_tco: Refactor MMIO base address
initialization").
> The reporter confirmed that the problem does not show up with the old
> packaged image we can get from the snapshots archive 5.7.6-1 but
> happends reconfirmed with 6.7.11-1 and say there are no MMIO related
> settings to adjust in BIOS.
>
> Does the above ring some bell?
>
> Regards,
> Salvatore
Regards,
Salvatore
prev parent reply other threads:[~2025-02-28 5:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-28 5:45 Report of a nonworking P5100/SB800 TCO WatchDog after 1f182aca2300 ("Watchdog: sp5100_tco: Refactor MMIO base address initialization") changes Salvatore Bonaccorso
2025-02-28 5:48 ` Salvatore Bonaccorso [this message]
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