[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1582858
Title:
kernel 4.4.0-22-generic in 16.04 sees no disks on HP Proliant DL165 G7
if IOMMU is enabled
Status in linux package in Ubuntu:
Expired
Bug description:
On a HP Proliant DL165 G7 I upgraded from 14.04.3 LTS to 16.04 LTS (I
know, not supported).
After reboot, the new kernel was loaded by GRUB, but failed to find
the disks installed in the system (setup working for almost 2 years,
standard HP setup with the SATA controller in AHCI mode and AHCI
enabled during BIOS). It then dropped to a shell in initramfs, after
hundreds (thousands?) of identical errors:
[...] AMD-Vi: Event Logged [IO_PAGE_FAULT] device=xxx adress=yyy
flags=0x...
and the final error messages:
ata3: softreset failed (1st FIS failed)
ata4: softreset failed (1st FIS failed)
ata3: limiting SATA link speed to 1.5 Gbps
ata3: softreset failed (1st FIS failed)
ata4: limiting SATA link speed to 1.5 Gbps
ata4: softreset failed (1st FIS failed)
ata3: reset failed, giving up
ata4: reset failed, giving up
The system disks are on ata1 and ata2, though.
I tried booting the system from different other 16.04 boot media
(ubuntu-16.04-server-amd64.iso, ubuntu-16.04-desktop-amd64.iso) into a rescue
system. I also got the
[...] AMD-Vi: Event Logged ... messages. When the rescue shell was running,
the system disks were also not detected, the installer I started as an
experiment only offered the (USB disk) boot medium itself as installation
target. The desktop installer and kernel then crashed with error messages about
squashfs (sorry, didn't record those).
Without any change, the same system boots without issues from a 14.04
boot image, all disks present. Also, the 16.04 system boots fine if
the old 3.13.0-86 kernel is selected in the GRUB menu.
After some fiddling around, I turned off the IOMMU in the server's
BIOS (under PCiExpress) - and all went back to normal, without any
change on the installed system. Kernel 4.4.0-22-generic now boots just
fine from the LVM-Root.
So this is WORKSFORME now, but maybe somebody should look into it. I do
believe that Proliants are quite common out there. If needed, I'll provide more
info if possible - but currently I wouldn't know what.
---
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 May 17 18:50 seq
crw-rw---- 1 root audio 116, 33 May 17 18:50 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
DistroRelease: Ubuntu 16.04
HibernationDevice: RESUME=UUID=d46c7c15-9d36-4d87-930d-e43d447e8855
InstallationDate: Installed on 2012-12-22 (1244 days ago)
InstallationMedia: Ubuntu-Server 12.10 "Quantal Quetzal" - Release amd64
(20121017.2)
IwConfig: Error: [Errno 2] No such file or directory
MachineType: HP ProLiant DL165 G7
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
LANGUAGE=en_US:en
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-22-generic
root=/dev/mapper/vg0-root ro net.ifnames=0 rootfstype=ext4
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
RelatedPackageVersions:
linux-restricted-modules-4.4.0-22-generic N/A
linux-backports-modules-4.4.0-22-generic N/A
linux-firmware 1.157
RfKill: Error: [Errno 2] No such file or directory
Tags: xenial
Uname: Linux 4.4.0-22-generic x86_64
UpgradeStatus: Upgraded to xenial on 2014-05-25 (725 days ago)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 07/27/2012
dmi.bios.vendor: HP
dmi.bios.version: O37
dmi.chassis.type: 23
dmi.chassis.vendor: HP
dmi.modalias:
dmi:bvnHP:bvrO37:bd07/27/2012:svnHP:pnProLiantDL165G7:pvr:cvnHP:ct23:cvr:
dmi.product.name: ProLiant DL165 G7
dmi.sys.vendor: HP
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