Re: [Regression] 6.8 - i2c_hid_acpi: probe of i2c-XXX0001:00 failed with error -110

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[BCCed Greg and the stable list, as this is apparently a mainline
regression and has nothing to do with the stable series

Also CCing Jiri, Benjamin as well as various lists]

On 19.03.24 05:52, Philip Müller wrote:
> On 18/03/2024 17:58, Philip Müller wrote:
>> I'm currently developing on the OrangePi Neo-01, which ships with two
>> similar touchpads using the Synaptics driver. On 6.7.10 those two
>> devices get detected normally. On 6.8.1 it seems to error out.

Thx or the report.

>> I either get none, or at best only one of those two devices.
>>
>> i2c_hid_acpi: probe of i2c-XXX0001:00 failed with error -110
>> i2c_hid_acpi: probe of i2c-XXX0002:00 failed with error -110
> 
> I found the regression in commit aa69d6974185e9f7a552ba982540a38e34f69690
> HID: i2c-hid: Switch i2c_hid_parse() to goto style error handling

FWIW, that's a change from Hans. He is normally quite responsive, but as
he has not replied yet I guess he is AFK for a few days.

Ciao, Thorsten

> When I use the commit before I can rmmod and modprobe in a batch script
> using a loop without erroring out to -110. Attached the testing script
> and dmesg log snippets
> 
> #!/bin/bash
> for ((n=0;n<5;n++))
> do
> sudo rmmod i2c_hid_acpi
> sleep 1
> sudo modprobe i2c_hid_acpi --force-vermagic
> sleep 2
> done
> 
> I will try to use the code of 6.8.1 and revert that commit.

P.S.: To be sure the issue doesn't fall through the cracks unnoticed,
I'm adding it to regzbot, the Linux kernel regression tracking bot:

#regzbot report /
#regzbot introduced aa69d6974185e9f7a552ba982540a38e34f69690
#regzbot title HID: i2c-hid: probe of i2c-XXX0001:00 failed with error -110
#regzbot ignore-activity

--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
That page also explains what to do if mails like this annoy you.




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