Talked to Andy on IRC, and dropping these drivers was not intended. I agree we should keep the most common ones built in, especially for cloud instances; there it would really be beneficial to drop initrds completely (see bug 1592684), as they are just bloat there.
** Changed in: systemd (Ubuntu) Status: In Progress => Won't Fix ** Changed in: systemd (Ubuntu) Milestone: ubuntu-16.09 => None -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1626394 Title: 4.8 dropped CONFIG_ATA=y (breaks systemd's TEST-08-ISSUE-2730 upstream test) Status in linux package in Ubuntu: Confirmed Status in systemd package in Ubuntu: Won't Fix Bug description: Since the kernel upgrade from 4.4 to 4.8 in yakkety, systemd's TEST-08-ISSUE-2730 upstream test now consistently fails with: + timeout --foreground 180 /usr/bin/qemu-system-x86_64 -smp 1 -net none -m 512M -nographic -kernel /boot/vmlinuz-4.8.0-14-generic -drive format=raw,cache=unsafe,file=/var/tmp/systemd-test.4jlHRw/rootdisk.img -append 'root=/dev/sda1 raid=noautodetect loglevel=2 init=/lib/systemd/systemd ro console=ttyS0 selinux=0 systemd.unified_cgroup_hierarchy=no ' warning: TCG doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5] [ 1.491760] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 1.492153] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.0-14-generic #15-Ubuntu [ 1.492153] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1.492153] 0000000000000086 0000000035700369 ffffffffa8b59c24 ffff97201dd45000 [ 1.492153] ffff97201e9afea0 ffffffffa8987431 0000000000000010 ffff97201e9afeb0 [ 1.492153] ffff97201e9afe48 0000000035700369 ffff97201e9afe58 ffff97201e9afeb8 [ 1.492153] Call Trace: [ 1.492153] [<ffffffffa8b59c24>] ? dump_stack+0x5c/0x78 [ 1.492153] [<ffffffffa8987431>] ? panic+0xe4/0x226 [ 1.492153] [<ffffffffa95724f9>] ? mount_block_root+0x284/0x2c0 [ 1.492153] [<ffffffffa957187b>] ? set_debug_rodata+0xc/0xc [ 1.492153] [<ffffffffa957268f>] ? prepare_namespace+0x12b/0x180 [ 1.492153] [<ffffffffa9572161>] ? kernel_init_freeable+0x1dd/0x1ed [ 1.492153] [<ffffffffa8e2c0ea>] ? kernel_init+0xa/0x100 [ 1.492153] [<ffffffffa8e3949f>] ? ret_from_fork+0x1f/0x40 [ 1.492153] [<ffffffffa8e2c0e0>] ? rest_init+0x80/0x80 [ 1.492153] Kernel Offset: 0x27800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 1.492153] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) qemu-system-x86_64: terminating on signal 15 from pid 8784 This only happens on amd64, i386 and ppc64el are fine. http://autopkgtest.ubuntu.com/packages/systemd/yakkety/amd64 I'll investigate more details, filing this for getting a reference for the britney hint. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1626394/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp