On 23/08/2017 13:54, Mason wrote: > On 23/08/2017 13:11, Mathias Nyman wrote: > >> In this case we read the register when hub thread asks to clear port feature. >> >> why portsc returns 0xffffffff is a another question, could the hub thread be >> running while xhci controller is (in D3)? >> Was xhci runtime suspended? > > How do I tell? > Should I disable SUSPEND support and all kinds of power management?
I compiled a minimal kernel, with lots of irrelevant drivers and frameworks left out, including power management. I still get the "xHCI host controller not responding, assume dead" issue. PLUG [ 59.803499] usb 2-2: new SuperSpeed USB device number 2 using xhci_hcd [ 59.836902] usb 2-2: New USB device found, idVendor=0951, idProduct=1666 [ 59.843653] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 59.850900] usb 2-2: Product: DataTraveler 3.0 [ 59.855417] usb 2-2: Manufacturer: Kingston [ 59.859661] usb 2-2: SerialNumber: 002618887865F0C0F8646BFA [ 59.868249] usb-storage 2-2:1.0: USB Mass Storage device detected [ 59.874691] scsi host0: usb-storage 2-2:1.0 [ 60.882801] scsi 0:0:0:0: Direct-Access Kingston DataTraveler 3.0 PQ: 0 ANSI: 6 [ 60.891640] sd 0:0:0:0: [sda] 15109516 512-byte logical blocks: (7.74 GB/7.20 GiB) [ 60.899662] sd 0:0:0:0: [sda] Write Protect is off [ 60.904763] sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA [ 60.916154] sda: sda1 [ 60.919798] sd 0:0:0:0: [sda] Attached SCSI removable disk UNPLUG [ 70.545087] pcieport 0000:00:00.0: AER: Uncorrected (Non-Fatal) error received: id=0000 [ 70.553169] pcieport 0000:00:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0000(Requester ID) [ 70.565084] pcieport 0000:00:00.0: device [1105:0024] error status/mask=00004000/00000000 [ 70.573528] pcieport 0000:00:00.0: [14] Completion Timeout (First) [ 70.580402] pcieport 0000:00:00.0: AER: Device recovery failed [ 71.275253] xhci_hcd 0000:01:00.0: xHCI host controller not responding, assume dead [ 71.282956] xhci_hcd 0000:01:00.0: HC died; cleaning up [ 71.288304] usb 2-2: USB disconnect, device number 2 [ 71.293445] pcieport 0000:00:00.0: AER: Uncorrected (Non-Fatal) error received: id=0000 [ 71.301851] pcieport 0000:00:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0000(Requester ID) [ 71.313785] pcieport 0000:00:00.0: device [1105:0024] error status/mask=00004000/00000000 [ 71.322240] pcieport 0000:00:00.0: [14] Completion Timeout (First) [ 71.329115] pcieport 0000:00:00.0: AER: Device recovery failed [ 71.335042] pcieport 0000:00:00.0: AER: Uncorrected (Non-Fatal) error received: id=0000 [ 71.343137] pcieport 0000:00:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, id=0000(Requester ID) [ 71.354984] pcieport 0000:00:00.0: device [1105:0024] error status/mask=00004000/00000000 [ 71.363443] pcieport 0000:00:00.0: [14] Completion Timeout (First) [ 71.370289] pcieport 0000:00:00.0: AER: Device recovery failed defconfig for reference # CONFIG_SWAP is not set CONFIG_SYSVIPC=y CONFIG_NO_HZ_IDLE=y CONFIG_HIGH_RES_TIMERS=y # CONFIG_COMPAT_BRK is not set CONFIG_SLAB=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_ARCH_TANGO=y # CONFIG_ARM_ERRATA_643719 is not set CONFIG_PCI=y CONFIG_PCIEPORTBUS=y CONFIG_PCI_MSI=y CONFIG_PCIE_TANGO_SMP8759=y CONFIG_SMP=y CONFIG_PREEMPT=y CONFIG_HZ_300=y CONFIG_AEABI=y CONFIG_HIGHMEM=y # CONFIG_ATAGS is not set CONFIG_ARM_APPENDED_DTB=y CONFIG_ARM_ATAG_DTB_COMPAT=y CONFIG_VFP=y CONFIG_NEON=y # CONFIG_SUSPEND is not set CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y CONFIG_BLK_DEV_LOOP=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set CONFIG_SERIAL_8250=y # CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_RT288X=y CONFIG_SERIAL_OF_PLATFORM=y # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set # CONFIG_HID is not set # CONFIG_USB_HID is not set CONFIG_USB=y CONFIG_USB_ANNOUNCE_NEW_DEVICES=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_STORAGE=y CONFIG_VFAT_FS=m CONFIG_TMPFS=y CONFIG_NLS_CODEPAGE_437=m CONFIG_NLS_ISO8859_1=m CONFIG_NLS_UTF8=m CONFIG_PRINTK_TIME=y -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
