[Bug 522998] Re: XHCI (USB 3.0) kernel Module Prevents Suspend
creeson
522998 at bugs.launchpad.net
Mon Sep 20 00:07:08 UTC 2010
I was getting the messages:
pm_op(): usb_dev_freeze+0x0/0x20 returns -2
PM: Device usb9 failed to freeze async: error -2
This is an usb 3.0 port on a new computer with Ubuntu 10.10
The proposed workaround:
create files : /etc/pm/config.d/00sleep_module and /etc/pm/config.d/unload_module
add line to files : SUSPEND_MODULES="xhci"
did not work for me.
This post caught my eye:
d3mia7 wrote on 2010-05-05: #11
Note that the module has been renamed "xhci_hcd" in the latest mainline kernel (2.6.34-rc6).
There is a typo in this post. The module has been renamed to "xhci-
hcd", not "xhci_hcd".
This workaround fixes the problem for me:
create files : /etc/pm/config.d/00sleep_module and /etc/pm/config.d/unload_module
add line to files : SUSPEND_MODULES="xhci-hcd"
--
XHCI (USB 3.0) kernel Module Prevents Suspend
https://bugs.launchpad.net/bugs/522998
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