| Message ID | 20241106072613.95472-1-chris.chiu@canonical.com |
|---|---|
| Headers | show |
| Series | Fix USB device suspend failure while HCD in S4 wakeup | expand |
On 06.11.24 08:26, Chris Chiu wrote: > https://bugs.launchpad.net/bugs/2085410 > > [Impact] > More and more USB device suspend failure are caused by the un-expected HCD_FLAG_WAKEUP_PENDING on the USB host controller. It mostly happens on the USB devices connected to the high-speed root hub. It randomly happens when put the system into suspend > > [Fix] > Fixed by the upstream fix https://lore.kernel.org/linux-usb/20241012094633.126736-1-duanchenghao@kylinos.cn/. Set wakeup to false if suspend type is either PM_EVENT_FREEZE or PM_EVENT_QUIESCE > > [Test Case] > 1. Power on machine and connect a USB device to the high-speed root hub. (Find your device in lsusb in the secondary root hub) > 2. run checkbox-cli run com.canonical.certification::suspend-cycles-stress-test > 3. observe the suspend/resume fail with the kernel message > > [Where problems could occur] > Add more restriction on how the wakeup should be performed. Should be low risk > > Duan Chenghao (1): > UBUNTU: SAUCE: USB: Fix the issue of task recovery failure caused by > USB status when S4 wakes up > > drivers/usb/core/hcd-pci.c | 15 +++++++++++++-- > include/linux/pm.h | 3 ++- > 2 files changed, 15 insertions(+), 3 deletions(-) > Rejected for the following reasons: - For SRU only upstream linux or linux-next (or a stable linux branch) are valid sources for patches. - Please re-submit once this is really upstream Only for changes to code only we carry or has been changed in a way where upstream fixes are not an option should be SAUCE patches once a distro series has released. -Stefan
https://bugs.launchpad.net/bugs/2085410 [Impact] More and more USB device suspend failure are caused by the un-expected HCD_FLAG_WAKEUP_PENDING on the USB host controller. It mostly happens on the USB devices connected to the high-speed root hub. It randomly happens when put the system into suspend [Fix] Fixed by the upstream fix https://lore.kernel.org/linux-usb/20241012094633.126736-1-duanchenghao@kylinos.cn/. Set wakeup to false if suspend type is either PM_EVENT_FREEZE or PM_EVENT_QUIESCE [Test Case] 1. Power on machine and connect a USB device to the high-speed root hub. (Find your device in lsusb in the secondary root hub) 2. run checkbox-cli run com.canonical.certification::suspend-cycles-stress-test 3. observe the suspend/resume fail with the kernel message [Where problems could occur] Add more restriction on how the wakeup should be performed. Should be low risk Duan Chenghao (1): UBUNTU: SAUCE: USB: Fix the issue of task recovery failure caused by USB status when S4 wakes up drivers/usb/core/hcd-pci.c | 15 +++++++++++++-- include/linux/pm.h | 3 ++- 2 files changed, 15 insertions(+), 3 deletions(-)