** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1759791
Title:
NFS + sec=krb5 is broken
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Bionic:
Fix Committed
Bug description:
I am testing the development branch of Bionic Beaver.
With the latest update to kernel 4.15.0-13 my nfs-mounts in a university
network are broken.
> sudo mount -vvv -t nfs4 my_server:/my/share /nfs -osoft,sec=krb5
> mount.nfs4: timeout set for Mon Mar 26 16:29:56 2018
> mount.nfs4: trying text-based options
'soft,sec=krb5,nfsvers=4.0,addr=10.162.229.2,clientaddr=10.152.249.189'
> mount.nfs4: mount(2): Input/output error
> mount.nfs4: mount system call failed
> kernel: NFS: nfs4_discover_server_trunking unhandled error -5. Exiting with
error EIO
> kernel: RPC: couldn't encode RPC header, exit EIO
> kernel: gss_marshal: gss_get_mic FAILED (851968)
Known good version: linux-image-4.15.0-10
I think it is the same bug like in
https://bugzilla.redhat.com/show_bug.cgi?id=1558977
The bug was introduced in the mainline kernel 4.15.4 with commit
"[46e8d06e423c4f35eac7a8b677b713b3ec9b0684] crypto: hash - prevent using keyed
hashes without setting key"
This bug should be fixed before releasing ubuntu18.04 by either reverting the
commit or using a fixed mainline kernel.
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ApportVersion: 2.20.9-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: gdm 1340 F.... pulseaudio
/dev/snd/controlC0: gdm 1340 F.... pulseaudio
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2018-03-22 (6 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180321)
IwConfig:
lo no wireless extensions.
enp0s31f6 no wireless extensions.
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 046a:b091 Cherry GmbH
Bus 001 Device 002: ID 0bf8:101e Fujitsu Siemens Computers
Bus 001 Device 004: ID 0bda:0184 Realtek Semiconductor Corp. RTS5182 Card
Reader
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: FUJITSU ESPRIMO D757
Package: linux (not installed)
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic
root=UUID=463c4c1b-7771-40dd-833f-f4d68a5fd914 ro quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.15.0-13-generic N/A
linux-backports-modules-4.15.0-13-generic N/A
linux-firmware 1.173
RfKill:
Tags: bionic
Uname: Linux 4.15.0-13-generic x86_64
UnreportableReason: Der Bericht gehört zu einem nicht installierten Paket.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: False
dmi.bios.date: 10/12/2017
dmi.bios.vendor: FUJITSU // American Megatrends Inc.
dmi.bios.version: V5.0.0.12 R1.14.0 for D3531-A1x
dmi.board.name: D3531-A1
dmi.board.vendor: FUJITSU
dmi.board.version: S26361-D3531-A1
dmi.chassis.type: 3
dmi.chassis.vendor: FUJITSU
dmi.modalias:
dmi:bvnFUJITSU//AmericanMegatrendsInc.:bvrV5.0.0.12R1.14.0forD3531-A1x:bd10/12/2017:svnFUJITSU:pnESPRIMOD757:pvr:rvnFUJITSU:rnD3531-A1:rvrS26361-D3531-A1:cvnFUJITSU:ct3:cvr:
dmi.product.family: ESPRIMO-FTS
dmi.product.name: ESPRIMO D757
dmi.sys.vendor: FUJITSU
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