Martin Mokrejs wrote: > Hi, > I just bought a Silverstone Treasure TS04B external case. I thought > it will be based on ASMedia1051 chip but maybe because of the 'B' at > the end ... ? > > When I read from a SATAII disk placed into the casing I read at about > 32MB/s (from raw disk -- dd if=/dev/sdc of=/dev/null) when having connected > it to either internal Texas Instruments USB3.0 chip or to a NEC USB3.0 chip > in an Express Card. I conclude this is not an issue with the host controller > chipset in my laptop Dell Vostro 3550 or the Express card but an issue with > xhci_hcd or the ASMedia2105 chip. That was with 3.3.4 kernel. > > I found something on the internet reported by people having an onboard > ASMedia controller which can be switched by BIOS from XHCI to EHCI .. > I do not understand whether that relates to me or not. Aside from the fact > that I have the ASMedia chip in the "client" device (a HDD enclosure). > > If I look into the "lsusb -t" output I see the device is at 480Mbps. > Why? I rebooted into 3.4-rc5 and first, connected the enclosure to the > TexasInstruments USB3 port. > > This gave me: > > [ 92.996770] usb 3-2: new high-speed USB device number 2 using xhci_hcd > [ 93.056517] xhci_hcd 0000:0b:00.0: device LPM test failed, may disconnect and re-enumerate > [ 93.064234] usb 3-2: New USB device found, idVendor=174c, idProduct=5106 > [ 93.064245] usb 3-2: New USB device strings: Mfr=2, Product=3, SerialNumber=1 > [ 93.064252] usb 3-2: Product: AS2105 > [ 93.064257] usb 3-2: Manufacturer: ASMedia > [ 93.064262] usb 3-2: SerialNumber: WD-WX51C10U8155 > [ 93.064436] usb 3-2: ep 0x81 - rounding interval to 32768 microframes, ep desc says 0 microframes > [ 93.064443] usb 3-2: ep 0x2 - rounding interval to 32768 microframes, ep desc says 0 microframes > [ 93.065037] scsi7 : usb-storage 3-2:1.0 > > but I wasn't catching the USB trafiic, so you only see in the attached dmesg output. > On next two re-plkugs of the device it did not happen. > > > Then I unpugged it, started usbmon to catch traffic on the same port (the > port remained in the 480Mbps mode, claimed by xhci_hcd). I ran smartctl to fetch > some SMART data from the disc and unplugged it again. The recorded file is named > 3.4-rc5-ASMedia2105_via_Texas_instruments_Bus3_reporting_480Mbps.usbmon.out > and logs are in 3.4-rc5-ASMedia2105_via_Texas_instruments_Bus3_reporting_480Mbps.txt. > > > > Then, I saw the other port coming out from the Texas Instruments chip is > still in 5Gbps mode, so I started to record USB traffic again, connected the > enclosure to that port and likewise, it is in 3.4-rc5-ASMedia2105_via_Texas_instruments_Bus4_reporting_5Gbps.usbmon.out > and logs in 3.4-rc5-ASMedia2105_via_Texas_instruments_Bus4_reporting_5Gbps.txt. > > I hope you can infer something from them as I will probably return the external > enclosure and go for the "old" ASMedia1051 in Silvertsone RVS02 (if I am lucky > to grab the right piece). > > Whats of interest in the ASMedia2005 chip, btw? > > (I can repeat the test with NEC Corporation uPD720200 USB 3.0 if you want). So when connected to the NEC controller I found out 'uas' driver is being used: http://pastebin.com/E89fESQ0 . And with UAS driver omitted from the kernel I get: http://pastebin.com/pAdmuhpM (merely same - only at high-speeed). The race between suspend and wekeup sounds weird (a snippet from the latter pastebin): [ 374.658784] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 0 status = 0xe4002a0 [ 374.658810] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 1 status = 0xe0002a0 [ 374.658821] hub 6-0:1.0: hub_suspend [ 374.658834] usb usb6: bus auto-suspend, wakeup 1 [ 374.658858] usb usb6: suspend raced with wakeup event [ 374.658859] usb usb6: usb auto-resume [ 374.698698] hub 6-0:1.0: hub_resume [ 374.698723] xhci_hcd 0000:11:00.0: get port status, actual port 0 status = 0x4002a0 [ 374.698730] xhci_hcd 0000:11:00.0: Get port status returned 0x4002a0 [ 374.698745] xhci_hcd 0000:11:00.0: get port status, actual port 1 status = 0x2a0 [ 374.698751] xhci_hcd 0000:11:00.0: Get port status returned 0x2a0 [ 374.698841] hub 6-0:1.0: state 7 ports 2 chg 0000 evt 0000 [ 376.695757] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 0 status = 0xe4002a0 [ 376.695786] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 1 status = 0xe0002a0 [ 376.695797] hub 6-0:1.0: hub_suspend [ 376.695810] usb usb6: bus auto-suspend, wakeup 1 [ 376.695834] usb usb6: suspend raced with wakeup event [ 376.695835] usb usb6: usb auto-resume [ 376.735623] hub 6-0:1.0: hub_resume [ 376.735645] xhci_hcd 0000:11:00.0: get port status, actual port 0 status = 0x4002a0 [ 376.735652] xhci_hcd 0000:11:00.0: Get port status returned 0x4002a0 [ 376.735668] xhci_hcd 0000:11:00.0: get port status, actual port 1 status = 0x2a0 [ 376.735674] xhci_hcd 0000:11:00.0: Get port status returned 0x2a0 [ 376.735757] hub 6-0:1.0: state 7 ports 2 chg 0000 evt 0000 [ 378.732723] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 0 status = 0xe4002a0 [ 378.732751] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 1 status = 0xe0002a0 [ 378.732762] hub 6-0:1.0: hub_suspend [ 378.732774] usb usb6: bus auto-suspend, wakeup 1 [ 378.732799] usb usb6: suspend raced with wakeup event [ 378.732801] usb usb6: usb auto-resume [ 378.772626] hub 6-0:1.0: hub_resume [ 378.772651] xhci_hcd 0000:11:00.0: get port status, actual port 0 status = 0x4002a0 [ 378.772658] xhci_hcd 0000:11:00.0: Get port status returned 0x4002a0 [ 378.772674] xhci_hcd 0000:11:00.0: get port status, actual port 1 status = 0x2a0 [ 378.772680] xhci_hcd 0000:11:00.0: Get port status returned 0x2a0 [ 378.772777] hub 6-0:1.0: state 7 ports 2 chg 0000 evt 0000 [ 380.769669] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 0 status = 0xe4002a0 [ 380.769696] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 1 status = 0xe0002a0 [ 380.769708] hub 6-0:1.0: hub_suspend [ 380.769721] usb usb6: bus auto-suspend, wakeup 1 [ 380.769738] usb usb6: suspend raced with wakeup event [ 380.769743] usb usb6: usb auto-resume [ 380.809556] hub 6-0:1.0: hub_resume [ 380.809579] xhci_hcd 0000:11:00.0: get port status, actual port 0 status = 0x4002a0 [ 380.809586] xhci_hcd 0000:11:00.0: Get port status returned 0x4002a0 [ 380.809600] xhci_hcd 0000:11:00.0: get port status, actual port 1 status = 0x2a0 [ 380.809605] xhci_hcd 0000:11:00.0: Get port status returned 0x2a0 [ 380.809635] hub 6-0:1.0: state 7 ports 2 chg 0000 evt 0000 [ 382.806662] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 0 status = 0xe4002a0 [ 382.806690] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 1 status = 0xe0002a0 [ 382.806701] hub 6-0:1.0: hub_suspend [ 382.806715] usb usb6: bus auto-suspend, wakeup 1 [ 382.806740] usb usb6: suspend raced with wakeup event [ 382.806741] usb usb6: usb auto-resume [ 382.846509] hub 6-0:1.0: hub_resume [ 382.846529] xhci_hcd 0000:11:00.0: get port status, actual port 0 status = 0x4002a0 [ 382.846536] xhci_hcd 0000:11:00.0: Get port status returned 0x4002a0 [ 382.846550] xhci_hcd 0000:11:00.0: get port status, actual port 1 status = 0x2a0 [ 382.846556] xhci_hcd 0000:11:00.0: Get port status returned 0x2a0 [ 382.846652] hub 6-0:1.0: state 7 ports 2 chg 0000 evt 0000 [ 385.562561] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 0 status = 0xe4002a0 [ 385.562589] xhci_hcd 0000:11:00.0: set port remote wake mask, actual port 1 status = 0xe0002a0 [ 385.562601] hub 6-0:1.0: hub_suspend [ 385.562614] usb usb6: bus auto-suspend, wakeup 1 [ 385.562636] usb usb6: suspend raced with wakeup event [ 385.562637] usb usb6: usb auto-resume [ 385.602458] hub 6-0:1.0: hub_resume [ 385.602482] xhci_hcd 0000:11:00.0: get port status, actual port 0 status = 0x4002a0 [ 385.602489] xhci_hcd 0000:11:00.0: Get port status returned 0x4002a0 [ 385.602505] xhci_hcd 0000:11:00.0: get port status, actual port 1 status = 0x2a0 [ 385.602511] xhci_hcd 0000:11:00.0: Get port status returned 0x2a0 [ 385.602609] hub 6-0:1.0: state 7 ports 2 chg 0000 evt 0000 When I removed also the USB power management although the race messages obviously disappeared but I still get only high-speed connection: http://pastebin.com/dzSbyPGM . Martin -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
