I finally found the place for tags so the bug is now marked as it should
be
** Tags added: kernel-fixed-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1544462
Title:
automount fails on resume after suspend if file open for writing
Status in linux package in Ubuntu:
Confirmed
Bug description:
For a couple of years I have usually not shut down my pc after using it, I
just leave it and let it suspend.
(Of course I have also shut down the system completely every now and then.)
This has worked well but recently with new kernels 4.2.0-* I get problems.
Further investigations show that it is automount that fails when :
1. a file is opened for writing on a nfs-mounted volume that autofs mounts
2. autofs unmounts the nfs directory after five minutes of inactivity, AND
3. the system is automatically suspended after ten minutes of inactivity
After resuming activity it is impossible to access the volume on the
server
To reproduce:
cat > /path/to/file/on/automounted/nfs-dir/file.txt
write some text
wait for the system to suspend
Activate the system again and try to access the automounted volume
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-27-generic 4.2.0-27.32
ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic i686
ApportVersion: 2.19.1-0ubuntu5
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: seved 2472 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu Feb 11 09:35:17 2016
HibernationDevice: RESUME=UUID=38682e03-657e-46a8-b728-71bb6b19ffd3
InstallationDate: Installed on 2010-11-12 (1916 days ago)
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
MachineType: Gigabyte Technology Co., Ltd. G41M-ES2L
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-27-generic
root=UUID=67935e67-5ba7-4442-8401-b0134d6ca21f ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-27-generic N/A
linux-backports-modules-4.2.0-27-generic N/A
linux-firmware 1.149.3
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/04/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F6
dmi.board.name: G41M-ES2L
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF6:bd11/04/2009:svnGigabyteTechnologyCo.,Ltd.:pnG41M-ES2L:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnG41M-ES2L:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: G41M-ES2L
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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