Message-ID: <666a5de4-92a1-4ffa-9535-c34ec7cf49bc@gmx.de>
Date: Sat, 3 May 2025 01:51:53 +0200
From: Armin Wolf <W_Armin@....de>
To: carlon.luca@...il.com, linux@...ck-us.net
Cc: jdelvare@...e.com, linux-hwmon@...r.kernel.org,
 linux-kernel@...r.kernel.org, lucas.demarchi@...el.com
Subject: Re: Suspend/resume failing due to SPD5118

Am 03.05.25 um 01:07 schrieb carlon.luca@...il.com:

>> The timeout is observed when the resume code tries to write data back to the
>> spd5118 chip. It originates from the i2c controller driver, not from the spd5118
>> driver. I have no idea why the i2c controller would time out in this situation.
>> Presumably it should have been brought out of suspend by the time devices connected
>> to it are re-enabled, but I don't see any associated message in the log.
>>
>> I know that others have tested suspend/resume support with the driver and confirmed
>> that it works. It might help to enable debugging of the i2c controller driver if that
>> is possible. Other than that I have no idea what might cause this problem or how to
>> track it down.
> Hi,
>
> I recently bought a new machine, and trying to hibernate results in these messages
> from the kernel:
>
> [  195.176483] PM: hibernation: hibernation entry
> [  195.200054] Filesystems sync: 0.005 seconds
> [  195.200760] Freezing user space processes
> [  195.203723] Freezing user space processes completed (elapsed 0.002 seconds)
> [  195.203732] OOM killer disabled.
> [  195.204506] PM: hibernation: Marking nosave pages: [mem 0x00000000-0x00000fff]
> [  195.204512] PM: hibernation: Marking nosave pages: [mem 0x0009f000-0x000fffff]
> [  195.204517] PM: hibernation: Marking nosave pages: [mem 0x4ee2f000-0x524fefff]
> [  195.204924] PM: hibernation: Marking nosave pages: [mem 0x8b93b000-0x8bb7bfff]
> [  195.204941] PM: hibernation: Marking nosave pages: [mem 0x8eedd000-0x8eeddfff]
> [  195.204943] PM: hibernation: Marking nosave pages: [mem 0x92fe3000-0x92fe3fff]
> [  195.204945] PM: hibernation: Marking nosave pages: [mem 0x944ff000-0x97ffefff]
> [  195.205340] PM: hibernation: Marking nosave pages: [mem 0x98000000-0xffffffff]
> [  195.210276] PM: hibernation: Basic memory bitmaps created
> [  195.212709] PM: hibernation: Preallocating image memory
> [  196.875538] PM: hibernation: Allocated 1013859 pages for snapshot
> [  196.875544] PM: hibernation: Allocated 4055436 kbytes in 1.66 seconds (2443.03 MB/s)
> [  196.875547] Freezing remaining freezable tasks
> [  196.876843] Freezing remaining freezable tasks completed (elapsed 0.001 seconds)
> [  197.559071] printk: Suspending console(s) (use no_console_suspend to debug)
> [  197.771716] spd5118 1-0051: PM: dpm_run_callback(): spd5118_suspend [spd5118] returns -110
> [  197.771734] spd5118 1-0051: PM: failed to freeze async: error -110
> [  197.979717] spd5118 1-0050: PM: dpm_run_callback(): spd5118_suspend [spd5118] returns -110
> [  197.979739] spd5118 1-0050: PM: failed to freeze async: error -110
> [  199.028103] PM: hibernation: Basic memory bitmaps freed
> [  199.028080] mei_pxp i915.mei-gsc.768-fbf6fcf1-96cf-4e2e-a6a6-1bab8cbe36b1: bound 0000:03:00.0 (ops i915_pxp_tee_component_ops [i915])
> [  199.029101] OOM killer enabled.
> [  199.029104] Restarting tasks ... done.
> [  199.088935] efivarfs: resyncing variable state
> [  199.326219] PM: hibernation: hibernation exit
>
> the operation aborts and I cannot hibernate the machine. I fixed the problem by
> blacklisting the driver spd5118.
>
> I see that the reported problem was in the resume operation, mine is in the suspend
> operation, so I'm not sure if this is related and if the logs can help.
>
> My kernel version is 6.14.4-arch1-1.
>
> Regards.
>
> Luca Carlon

Interesting, please check which i2c controller handles the SPD5118 chip (cat /sys/bus/i2c/devices/i2c-1/name).

Can you access the i2c bus (using i2cdetect) and/or the spd5118 chip after such a failed resume attempt?

Thanks,
Armin Wolf

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