Date: Tue, 25 Aug 2020 19:06:13 +0200 From: Hans Petter Selasky <hps@selasky.org> To: GARG Shivam <shivam.garg@thalesgroup.com>, "freebsd-usb@freebsd.org" <freebsd-usb@freebsd.org> Subject: Re: Gadget serial driver support addition Message-ID: <1f0636d2-b714-dce3-a1cc-6c69415a43f7@selasky.org> In-Reply-To: <MRXP264MB0904869BAD916B3241968545F8570@MRXP264MB0904.FRAP264.PROD.OUTLOOK.COM> References: <MRXP264MB090413682FAAEFD5292AFF7BF85B0@MRXP264MB0904.FRAP264.PROD.OUTLOOK.COM> <254501b3-79fa-edaa-1b49-08b0132e86a6@selasky.org> <MRXP264MB09045AF58CE881047B7D6190F8560@MRXP264MB0904.FRAP264.PROD.OUTLOOK.COM> <MRXP264MB0904DB02E744CC7422454EB9F8570@MRXP264MB0904.FRAP264.PROD.OUTLOOK.COM> <6ea2f654-bea8-993d-f815-fe75500b643c@selasky.org> <MRXP264MB0904869BAD916B3241968545F8570@MRXP264MB0904.FRAP264.PROD.OUTLOOK.COM>
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On 2020-08-25 19:02, GARG Shivam wrote: > My Device side Linux is getting panic as soon as I attached the USB to FreeBSD. Any view on this? > > If I stopped the enumeration at FreeBSD using command (sysctl hw.usb.disable_enumeration=1), so device side Linux is stopped crashing. > > Can you suggest me some area at device side that might be causing the crash. Yes, you need to report this to "linux-usb@vger.kernel.org". If Linux side is crashing it is likely a bug in the Linux gadget USB stack that needs to be fixed. Do you have a panic backtrace from Linux? The crash probably explains why the device is not working! --HPS
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