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The dm9601 driver expects to receive a single encapsulated ethernet frame from the device in one URB transfer, and it provides an URB buffer of length 1,522 to receive it. This is not a round multiple of USB transfer packets. The device in question [1] provides a stream of such frames and it does not conveniently slice them up as the dm9601 driver expects. We can end up with 1,536 (0x600) bytes returned by the device in response to the URB request. This may include several encapsulated ethernet frames, and/or fragments thereof. It seems to me that the kernel 'Oops' arises because the dwc_otg driver does not notice that the destination buffer is too small to receive the full 1,536 bytes. Comparing dwc_otg's update_urb_state_xfer_comp with dwc2's dwc2_update_urb_state is suggestive. More details: https://github.com/raspberrypi/linux/issues/1045 All Credits to: https://github.com/mw9 Signed-off-by: Marian Hello <marian.hello@gmail.com> Reviewed-by: Zoltan HERPAI <wigyori@uid0.hu>
This is the buildsystem for the OpenWrt Linux distribution. Please use "make menuconfig" to configure your appreciated configuration for the toolchain and firmware. You need to have installed gcc, binutils, bzip2, flex, python, perl, make, find, grep, diff, unzip, gawk, getopt, subversion, libz-dev and libc headers. Run "./scripts/feeds update -a" to get all the latest package definitions defined in feeds.conf / feeds.conf.default respectively and "./scripts/feeds install -a" to install symlinks of all of them into package/feeds/. Use "make menuconfig" to configure your image. Simply running "make" will build your firmware. It will download all sources, build the cross-compile toolchain, the kernel and all choosen applications. You can use "scripts/flashing/flash.sh" for remotely updating your embedded system via tftp. The OpenWrt system is documented in docs/. You will need a LaTeX distribution and the tex4ht package to build the documentation. Type "make -C docs/" to build it. To build your own firmware you need to have access to a Linux, BSD or MacOSX system (case-sensitive filesystem required). Cygwin will not be supported because of the lack of case sensitiveness in the file system. Sunshine! Your OpenWrt Project http://openwrt.org