CIFS DFS entries not accessible with 5.4.0-71.74-generic
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
Unassigned | ||
linux-oem-5.10 (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
When booting 5.4.0-71-generic I can not access DFS entries anymore, with 5.4.0-70-generic this still works. Some details:
fstab entry:
//example.
shell session
~$ mount /home/user/remote
Password for remote_
~$ ls /home/user/
dfs-subfolder dfs-entry
~$ ls /home/user/
ls: cannot access '/home/
dmesg excerpt
[ 1219.568778] CIFS: Attempting to mount //DC01.
[ 1219.584975] FS-Cache: Duplicate cookie detected
[ 1219.584986] FS-Cache: O-cookie c=000000006e995395 [p=00000000f4725c61 fl=222 nc=0 na=1]
[ 1219.584990] FS-Cache: O-cookie d=00000000a11c1428 n=0000000071ab21ba
[ 1219.584993] FS-Cache: O-key=[6] '5075626c6963'
[ 1219.585001] FS-Cache: N-cookie c=00000000a0608786 [p=00000000f4725c61 fl=2 nc=0 na=1]
[ 1219.585004] FS-Cache: N-cookie d=00000000a11c1428 n=00000000901f6a53
[ 1219.585007] FS-Cache: N-key=[6] '5075626c6963'
[ 1219.725834] FS-Cache: Duplicate cookie detected
[ 1219.725847] FS-Cache: O-cookie c=000000006e995395 [p=00000000f4725c61 fl=222 nc=0 na=1]
[ 1219.725851] FS-Cache: O-cookie d=00000000a11c1428 n=0000000071ab21ba
[ 1219.725854] FS-Cache: O-key=[6] '5075626c6963'
[ 1219.725864] FS-Cache: N-cookie c=000000000509709f [p=00000000f4725c61 fl=2 nc=0 na=1]
[ 1219.725868] FS-Cache: N-cookie d=00000000a11c1428 n=00000000556f158b
[ 1219.725870] FS-Cache: N-key=[6] '5075626c6963'
[ 1220.216524] CIFS VFS: cifs_read_super: get root inode failed
The dmesg from 5.4.0-70-generic does not have the line
CIFS VFS: cifs_read_super: get root inode failed
~$ lsb_release -rd
Description: KDE neon User Edition 5.21
Release: ~$ lsb_release -rd
Description: KDE neon User Edition 5.21
Release: 20.04
20.04
~$ apt-cache policy linux-image-generic
linux-image-
Installed: 5.4.0.71.74
Candidate: 5.4.0.71.74
Version table:
*** 5.4.0.71.74 500
500 http://
500 http://
100 /var/lib/
5.4.0.26.32 500
500 http://
---
ProblemType: Bug
ApportVersion: 2.20.11-
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
/dev/snd/
CasperMD5CheckR
CurrentDesktop: KDE
DistroRelease: KDE neon 20.04
InstallationDate: Installed on 2017-07-27 (1356 days ago)
InstallationMedia: neon userlts "Xenial" - Build amd64 LIVE Binary 20170614-00:52
MachineType: LENOVO 20HMS00T00
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
RelatedPackageV
linux-
linux-
linux-firmware 1.187.10
Tags: focal
Uname: Linux 5.4.0-71-generic x86_64
UnreportableReason: In diesem Bericht geht es um ein Paket, welches nicht installiert ist.
UpgradeStatus: Upgraded to focal on 2020-11-22 (142 days ago)
UserGroups: adm cdrom davfs2 dialout dip kvm libvirt lpadmin plugdev roccat sambashare scanner sudo vboxusers
_MarkForUpload: False
dmi.bios.date: 04/20/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: R0IET61W (1.39 )
dmi.board.
dmi.board.name: 20HMS00T00
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.
dmi.modalias: dmi:bvnLENOVO:
dmi.product.family: ThinkPad X270
dmi.product.name: 20HMS00T00
dmi.product.sku: LENOVO_
dmi.product.
dmi.sys.vendor: LENOVO
Changed in linux (Ubuntu): | |
status: | Incomplete → Confirmed |
Changed in linux (Ubuntu Focal): | |
status: | New → In Progress |
Changed in linux (Ubuntu Focal): | |
status: | In Progress → Fix Committed |
Changed in linux-oem-5.10 (Ubuntu Focal): | |
status: | New → Fix Committed |
tags: |
added: verification-done-focal removed: verification-needed-focal |
no longer affects: | linux-oem-5.10 (Ubuntu Bionic) |
Changed in linux (Ubuntu Focal): | |
status: | Fix Committed → Fix Released |
Changed in linux-signed-azure-5.4 (Ubuntu Focal): | |
status: | New → Confirmed |
Changed in linux-signed-azure-5.4 (Ubuntu): | |
status: | New → Confirmed |
no longer affects: | linux-signed-azure-5.4 (Ubuntu) |
no longer affects: | linux-signed-azure-5.4 (Ubuntu Focal) |
This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1923670
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.