[FS#1176] thermal thermal_zone0: failed to read out thermal zone (-110)

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - Tom Taylor (t0mtaylor) 

Attached to Project - LEDE Project
Summary - thermal thermal_zone0: failed to read out thermal zone (-110)
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Supply the following if possible:

 - Device problem occurs on
       TP-Link Archer C2600 v1.0 - https://lede-project.org/toh/hwdata/tp-link/tp-link_archer_c2600

 - Software versions of LEDE release, packages, etc. 
       LEDE Reboot 17.01.4 r3560-79f57e422d / LuCI lede-17.01 branch (git-17.315.61305-a9bddc4)
       Kernel Version	4.4.92

 - Steps to reproduce: N/A
   

Error regarding thermal within kernel log: 56757.023342] thermal thermal_zone0: failed to read out thermal zone (-110)

Appears this issue had a patch supplied in 2015? https://patchwork.kernel.org/patch/5978221/

On Tue, Mar 10, 2015 at 04:06:46PM +0100, Hans de Goede wrote:
> Some temperature sensors only get updated every few seconds and while
> waiting for the first irq reporting a (new) temperature to happen there
> get_temp operand will return -EAGAIN as it does not have any data to report
> yet.
> 
> Not logging an error in this case avoids messages like these from showing
> up in dmesg on affected systems:
> 
> [    1.219353] thermal thermal_zone0: failed to read out thermal zone 0
> [    2.015433] thermal thermal_zone0: failed to read out thermal zone 0
> [    2.416737] thermal thermal_zone0: failed to read out thermal zone 0
> 
> Signed-off-by: Hans de Goede 





More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1176