** Changed in: intel
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1758797
Title:
[Ubuntu 18.04] USB Type-C test failed on GLK
Status in intel:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Bug description:
[Impact]
USB Type-C ports would not be seen at ls /sys/class/typec/ some times, ie,
driver probe would fail. The fix just changes a timeout setting, allowing the
probe to succeed in those cases there is load on the system.
[Test Case]
During boot, with the system at load, the probe would fail some times. With
the increased timeout for firmware responses, that doesn't happen after many
reboots.
[Regression Potential]
This would only impact systems that have this specific ACPI node. As the
probe runs on a work queue, this should not impact boot time.
Description:
Platform information:
Label: GLK02SDP
Processor: Silver N5000
Bios: GELKRVPA.X64.0083.B30.1801162142
OS: Ubuntu 18.04
Kernel: 4.15.0-10-generic
Details:
Bios: system setup -> system component -> USB Type-C <enabled>
root@GLK02:~# cat /boot/config-4.15.0-10-generic | grep -i ucsi
CONFIG_TYPEC_UCSI=m
CONFIG_UCSI_ACPI=m
root@GLK02:~# ls /sys/class/typec/
root@GLK02:~#
USB Type-C ports could not be seen.
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