Hello, On Sun, Jun 25, 2017 at 08:21:49PM +0200, Dominik Brodowski wrote: > On my Dell XPS 13 9343 (x86_64), the following warning was logged right > after a resume from suspend-to-mem (not on *every* resume, though, so it > might be hard to reproduce). The kernel is v4.12.0-rc6+ as of 94a6df251dd0, > and I don't really use bluetooth, though the drivers are loaded: > > PM: Finishing wakeup. > OOM killer enabled. > Restarting tasks ... done. > Bluetooth: hci0: read Intel version: 370710018002030d00 > Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.7.10-fw-1.80.2.3.d.bseq > Bluetooth: hci0: Intel Bluetooth firmware patch completed and activated > ... <more, unrelated messages> > workqueue: WQ_MEM_RECLAIM hci0:hci_power_off is flushing !WQ_MEM_RECLAIM events:btusb_work So, WQ_MEM_RECLAIM has to be transitive; otherwise, it doesn't mean anything. I have a hard time believing that bluetooth actually needs WQ_MEM_RECLAIM unless people mount nfs through a bluetooth tethered phone. Would it be possible to remove WQ_MEM_RECLAIM from these workqueues? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
