transfer speed is the same on "latest" RC kernel. ---- log ---
test@test-pc:~/kern$ dpkg --install linux- linux-headers-4.1.0-040100rc2_4.1.0-040100rc2.201505032335_all.deb linux-headers-4.1.0-040100rc2-generic_4.1.0-040100rc2.201505032335_amd64.deb linux-image-4.1.0-040100rc2-generic_4.1.0-040100rc2.201505032335_amd64.deb test@test-pc:~/kern$ sudo dpkg --install linux-* [sudo] password for test: Selecting previously unselected package linux-headers-4.1.0-040100rc2. (Reading database ... 332259 files and directories currently installed.) Preparing to unpack linux-headers-4.1.0-040100rc2_4.1.0-040100rc2.201505032335_all.deb ... Unpacking linux-headers-4.1.0-040100rc2 (4.1.0-040100rc2.201505032335) ... Selecting previously unselected package linux-headers-4.1.0-040100rc2-generic. Preparing to unpack linux-headers-4.1.0-040100rc2-generic_4.1.0-040100rc2.201505032335_amd64.deb ... Unpacking linux-headers-4.1.0-040100rc2-generic (4.1.0-040100rc2.201505032335) ... Selecting previously unselected package linux-image-4.1.0-040100rc2-generic. Preparing to unpack linux-image-4.1.0-040100rc2-generic_4.1.0-040100rc2.201505032335_amd64.deb ... Examining /etc/kernel/preinst.d/ run-parts: executing /etc/kernel/preinst.d/intel-microcode 4.1.0-040100rc2-generic /boot/vmlinuz-4.1.0-040100rc2-generic Done. Unpacking linux-image-4.1.0-040100rc2-generic (4.1.0-040100rc2.201505032335) ... Setting up linux-headers-4.1.0-040100rc2 (4.1.0-040100rc2.201505032335) ... Setting up linux-headers-4.1.0-040100rc2-generic (4.1.0-040100rc2.201505032335) ... Examining /etc/kernel/header_postinst.d. run-parts: executing /etc/kernel/header_postinst.d/dkms 4.1.0-040100rc2-generic /boot/vmlinuz-4.1.0-040100rc2-generic Error! Bad return status for module build on kernel: 4.1.0-040100rc2-generic (x86_64) Consult /var/lib/dkms/fglrx-updates-core/15.200/build/make.log for more information. Error! Bad return status for module build on kernel: 4.1.0-040100rc2-generic (x86_64) Consult /var/lib/dkms/ndiswrapper/1.59/build/make.log for more information. Error! Bad return status for module build on kernel: 4.1.0-040100rc2-generic (x86_64) Consult /var/lib/dkms/virtualbox/4.3.26/build/make.log for more information. Setting up linux-image-4.1.0-040100rc2-generic (4.1.0-040100rc2.201505032335) ... Running depmod. update-initramfs: deferring update (hook will be called later) Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.1.0-040100rc2-generic /boot/vmlinuz-4.1.0-040100rc2-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.1.0-040100rc2-generic /boot/vmlinuz-4.1.0-040100rc2-generic Error! Bad return status for module build on kernel: 4.1.0-040100rc2-generic (x86_64) Consult /var/lib/dkms/fglrx-updates-core/15.200/build/make.log for more information. Error! Bad return status for module build on kernel: 4.1.0-040100rc2-generic (x86_64) Consult /var/lib/dkms/ndiswrapper/1.59/build/make.log for more information. Error! Bad return status for module build on kernel: 4.1.0-040100rc2-generic (x86_64) Consult /var/lib/dkms/virtualbox/4.3.26/build/make.log for more information. run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.1.0-040100rc2-generic /boot/vmlinuz-4.1.0-040100rc2-generic update-initramfs: Generating /boot/initrd.img-4.1.0-040100rc2-generic run-parts: executing /etc/kernel/postinst.d/pm-utils 4.1.0-040100rc2-generic /boot/vmlinuz-4.1.0-040100rc2-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.1.0-040100rc2-generic /boot/vmlinuz-4.1.0-040100rc2-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.1.0-040100rc2-generic /boot/vmlinuz-4.1.0-040100rc2-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.1.0-040100rc2-generic /boot/vmlinuz-4.1.0-040100rc2-generic Generating grub configuration file ... Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported. Found linux image: /boot/vmlinuz-4.1.0-040100rc2-generic Found initrd image: /boot/initrd.img-4.1.0-040100rc2-generic Found linux image: /boot/vmlinuz-3.19.0-16-generic Found initrd image: /boot/initrd.img-3.19.0-16-generic Found linux image: /boot/vmlinuz-3.19.0-15-generic Found initrd image: /boot/initrd.img-3.19.0-15-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin No volume groups found done test@test-pc:~/kern$ ** Tags added: kernel-bug-exists-upstream kernel-bug-exists- upstream-4.1-rc2 ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1453391 Title: Very slow Qualcomm Atheros AR8121/AR8113/AR8114 Gigabit or Fast Ethernet (rev b0) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1453391/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs