kernel-packages team mailing list archive

[Andy Whitcroft <apw@xxxxxxxxxxxxx>]

00:35:38     infinity | apw: https://git.kernel.org/linus/f15838e9cac8f78f0cc506529bb9d3b9fa589c1f
00:37:21     infinity | apw: Please to cherrypick, thanks.

** Changed in: linux (Ubuntu Xenial)
     Assignee: (unassigned) => Andy Whitcroft (apw)

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https://bugs.launchpad.net/bugs/1557130

Title:
  Current 4.4 kernel won't boot on powerpc

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Xenial:
  Triaged

Bug description:
  19:06 < stgraber> apw: hey, so looks like powerpc (not 64el) isn't booting with current 4.4 from xenial
  19:06 < stgraber> apw: smoser may have some more details for you, all I know is that I dist-upgraded my ppc VM and it stopped booting, smoser had to reboot me into 3.19 manually
  19:08 < apw> stgraber, which versoin number is that ?
  19:08 < stgraber> ii  linux-image-4.4.0-12-powerpc64-smp    4.4.0-12.28                     powerpc      Linux kernel image for version 4.4.0 on 64-bit PowerPC SMP
  19:08 < apw> stgraber, and do you have one which did boot before that, in 4.4 ?
  19:08 < smoser> 3.19 booted
  19:08 < apw> stgraber, i think we need a bug and i'll get jsalisbury to get this bisected
  19:08 < apw> i just realised we don't run adt on power, sigh
  19:08 < stgraber> apw: nope, I upgraded from trusty to xenial so it's the first 4.4 I try
  19:09 < smoser> qemu cmdline that results in "cant find root" looks like this
  19:09 < smoser> qemu-system-ppc64 -name rockne-01 -echr 0x05 -enable-kvm -M pseries -cpu host -smp cores=2,threads=1 -m 8G -net nic,macaddr=52:54:00:00:42:01 -net tap,script=no,downscript=no,ifname=tap4201 -device spapr-vscsi -drive file=/var/lib/libvirt/images/shared/rockne-01/disk1.img -drive file=/var/lib/libvirt/images/shared/rockne-01/eph0.img -drive file=/var/lib/libvirt/images/shared/rockne-01/save.img -nographic -vga none
  19:09 < jsalisbury> apw, I'll watch for the bug to come in
  19:09 < smoser> where disk1.img has the root filesystem on it.
  19:09 < stgraber> apw: the issue is storage related, smoser got dropped into a shell with no block listed in /proc/partitions
  19:09 < smoser> only ram disks.

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