Messages in this thread | | | Subject | Re: btusb "firmware request while host is not available" at resume | From | Gabriel C <> | Date | Mon, 11 Sep 2017 05:49:44 +0200 |
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On 11.09.2017 05:15, Gabriel C wrote: > On 11.09.2017 03:25, Greg Kroah-Hartman wrote: >> On Sun, Sep 10, 2017 at 12:26:02PM -0700, Linus Torvalds wrote: >>> This seems to be a new problem at resume for the Intel btusb driver, >>> but I'm not seeing anything in that driver itself that looks like a >>> likely trigger, so I wonder if it's some driver core change, a generic >>> resume path issue, or a workqueue change that has made it trigger for >>> me. >>> >>> It might also just be a timing difference, maybe it's always been there? >>> >>> Does anybody have any ideas? It does't happen on every resume, and the >>> machine works despite this (but no bluetooth - the *next* resume might >>> bring it back, though). >> >> Ah, it's not just me having this problem. I don't see it happening in >> 4.12, and haven't had the time to bisect it. I seem to be able to >> trigger it every suspend/resume cycle, so I don't know if it's a timing >> issue. > > > I see the same problem with QCA hardware.. but a bit different. > > On first resume cycle the firmware call is fine but the adapter dies a bit later with : > > > 'Bluetooth: hci0: Failed to send body at 4 of 1857 (-110)' > > On second resume cycle I hit the trace too. > > >> >>> >>> Linus >>> >>> -- >>> >>> ACPI: Low-level resume complete >>> ACPI: EC: EC started >>> PM: Restoring platform NVS memory >>> Enabling non-boot CPUs ... >>> x86: Booting SMP configuration: >>> smpboot: Booting Node 0 Processor 1 APIC 0x2 >>> cache: parent cpu1 should not be sleeping >>> CPU1 is up >>> smpboot: Booting Node 0 Processor 2 APIC 0x1 >>> cache: parent cpu2 should not be sleeping >>> CPU2 is up >>> smpboot: Booting Node 0 Processor 3 APIC 0x3 >>> cache: parent cpu3 should not be sleeping >>> CPU3 is up >>> ACPI: Waking up from system sleep state S3 >>> ACPI: EC: event unblocked >>> usb 1-3: reset full-speed USB device number 2 using xhci_hcd >>> usb 1-4: reset full-speed USB device number 3 using xhci_hcd >>> usb 1-5: reset high-speed USB device number 4 using xhci_hcd >>> usb 1-3:1.0: rebind failed: -517 >>> usb 1-3:1.1: rebind failed: -517 >>> Bluetooth: hci0: Bootloader revision 0.0 build 2 week 52 2014 >>> OOM killer enabled. >>> Restarting tasks ... >>> Bluetooth: hci0: Device revision is 5 >>> Bluetooth: hci0: Secure boot is enabled >>> Bluetooth: hci0: OTP lock is enabled >>> Bluetooth: hci0: API lock is enabled >>> Bluetooth: hci0: Debug lock is disabled >>> Bluetooth: hci0: Minimum firmware build 1 week 10 2014 >>> firmware request while host is not available >>> ------------[ cut here ]------------ >>> WARNING: CPU: 2 PID: 621 at drivers/base/firmware_class.c:1250 >>> _request_firmware+0x460/0x790 >>> CPU: 2 PID: 621 Comm: kworker/u9:2 Not tainted 4.13.0-10313-ge860d2c904d1 #11 >>> Hardware name: Dell Inc. XPS 13 9350/09JHRY, BIOS 1.4.17 05/10/2017 >>> Workqueue: hci0 hci_power_on [bluetooth] >>> task: ffff8d3767895ac0 task.stack: ffff9d3481efc000 >>> RIP: 0010:_request_firmware+0x460/0x790 >>> Call Trace: >>> request_firmware+0x37/0x50 >>> btusb_setup_intel_new+0x227/0x7e0 [btusb] >>> hci_dev_do_open+0x3da/0x570 [bluetooth] >>> hci_power_on+0x52/0x1f0 [bluetooth] >>> process_one_work+0x1db/0x3d0 >>> worker_thread+0x47/0x3e0 >>> kthread+0x125/0x140 >>> ret_from_fork+0x22/0x30 >>> ---[ end trace 007b222491432927 ]--- >>> Bluetooth: hci0: Failed to load Intel firmware file (-112) >>> [drm] RC6 on >>> done. >>> thermal thermal_zone11: failed to read out thermal zone (-5) >>> PM: suspend exit >> >> Ah, I'll blame Luis for this, I think it might be due to 81f95076281f >> ("firmware: add sanity check on shutdown/suspend") >> >> Luis, any ideas? I'll try to revert this and try it out tomorrow when >> I get a chance. >> > > I can revert it an fire up some testing.. >
Yes 81f95076281f is to blame.. After reverting it all is fine again.
15 resume cycles on the one laptop , 10 on the other without to hit the trace.
Regards
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