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charset="UTF-8" X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Hi, Please also add to CC related mailing lists (alsa-devel, linux-usb) rather then directly emailing - community may also help with the issue. Also it can be googled so if somebody else have same issue it can find answers faster. On Fri, Apr 3, 2020 at 10:56 AM Colin Williams wrote: > > https://ubuntuforums.org/showthread.php?t=2439897 > > On Thu, Apr 2, 2020 at 4:50 PM Colin Williams wrote: >> >> Hello, >> >> Is it possible that one of these commits or related broke support for the Blue Mic Yeti? >> >> https://github.com/torvalds/linux/blame/ac438771ccb4479528594c7e19f2c39cf1814a86/sound/usb/stream.c#L816 Tha'ts workaround to ignore last altsetting which is the same as previous. During UAC3 implementation, I reimplemented that workaround carefully, but I didn't have (and still do not own) any Blue Mic USB device. I don't know whether it was tested after that by anyone. >> >> I am getting the following when I plug my mic in: Which kernel version is that? Have you tried latest Linux Kernel? >> >> [ 1283.848740] usb 1-1.2: new full-speed USB device number 82 using ehci-pci >> [ 1283.964802] usb 1-1.2: New USB device found, idVendor=b58e, idProduct=9e84, bcdDevice= 1.00 >> [ 1283.964808] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 >> [ 1283.964810] usb 1-1.2: Product: Yeti Stereo Microphone >> [ 1283.964812] usb 1-1.2: Manufacturer: Blue Microphones >> [ 1284.080671] usb 1-1.3: new low-speed USB device number 83 using ehci-pci >> [ 1284.784678] usb 1-1.3: device descriptor read/64, error -32 >> [ 1285.180674] usb 1-1.3: device descriptor read/64, error -32 >> [ 1285.992682] usb 1-1.3: new low-speed USB device number 84 using ehci-pci >> [ 1286.696672] usb 1-1.3: device descriptor read/64, error -32 >> [ 1287.092695] usb 1-1.3: device descriptor read/64, error -32 >> [ 1287.200804] usb 1-1-port3: attempt power cycle >> [ 1287.804662] usb 1-1.3: new low-speed USB device number 85 using ehci-pci >> [ 1288.220686] usb 1-1.3: device not accepting address 85, error -32 >> [ 1288.508685] usb 1-1.3: new low-speed USB device number 86 using ehci-pci >> [ 1288.924690] usb 1-1.3: device not accepting address 86, error -32 >> [ 1288.924916] usb 1-1-port3: unable to enumerate USB device >> [ 1288.925391] usb 1-1.2: USB disconnect, device number 82 >> [ 1289.308736] usb 1-1.3: new low-speed USB device number 87 using ehci-pci >> [ 1289.596727] usb 1-1.3: device descriptor read/64, error -32 >> [ 1289.992635] usb 1-1.3: device descriptor read/64, error -32 >> [ 1290.596683] usb 1-1.3: new low-speed USB device number 88 using ehci-pci >> [ 1290.888718] usb 1-1.3: device descriptor read/64, error -32 >> [ 1291.284673] usb 1-1.3: device descriptor read/64, error -32 >> [ 1291.392928] usb 1-1-port3: attempt power cycle Looking at this log, it seems the issue happens during enumeration, so mentioned workaround isn't executed yet at this moment. So it seems this is related to USB core, not to ALSA driver. Thanks, Ruslan >> >> Furthermore, there is some evidence this is happening to other users: >> >> https://askubuntu.com/questions/1027188/external-yeti-michrophone-not-detected-on-ubuntu-18-04 >> >> Best Regards, >> >> Colin Williams >> >>