[Kernel-packages] [Bug 1641049] [NEW] NFSv4 do not invalidate cached information about deleted files

2016-11-11 Thread Arseny Tolmachev
Public bug reported: When using NFSv4 client in Ubuntu 16.04 the the following sequence of actions fails. You need a NFS server (S) and two clients (A and B). Let the NFS share be mounted at /nfsdata A: echo test > /nfsdata/file B: cat /nfsdata/file ===> test A: rm /nfsdata/file B: cat

[Kernel-packages] [Bug 1641049] ProcInterrupts.txt

2016-11-11 Thread Arseny Tolmachev
apport information ** Attachment added: "ProcInterrupts.txt" https://bugs.launchpad.net/bugs/1641049/+attachment/4775851/+files/ProcInterrupts.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1641049] ProcCpuinfo.txt

2016-11-11 Thread Arseny Tolmachev
apport information ** Attachment added: "ProcCpuinfo.txt" https://bugs.launchpad.net/bugs/1641049/+attachment/4775850/+files/ProcCpuinfo.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1641049] JournalErrors.txt

2016-11-11 Thread Arseny Tolmachev
apport information ** Attachment added: "JournalErrors.txt" https://bugs.launchpad.net/bugs/1641049/+attachment/4775848/+files/JournalErrors.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1641049] UdevDb.txt

2016-11-11 Thread Arseny Tolmachev
apport information ** Attachment added: "UdevDb.txt" https://bugs.launchpad.net/bugs/1641049/+attachment/4775853/+files/UdevDb.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1641049] CurrentDmesg.txt

2016-11-11 Thread Arseny Tolmachev
apport information ** Attachment added: "CurrentDmesg.txt" https://bugs.launchpad.net/bugs/1641049/+attachment/4775847/+files/CurrentDmesg.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1641049] Lspci.txt

2016-11-11 Thread Arseny Tolmachev
apport information ** Attachment added: "Lspci.txt" https://bugs.launchpad.net/bugs/1641049/+attachment/4775849/+files/Lspci.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1641049

[Kernel-packages] [Bug 1641049] WifiSyslog.txt

2016-11-11 Thread Arseny Tolmachev
apport information ** Attachment added: "WifiSyslog.txt" https://bugs.launchpad.net/bugs/1641049/+attachment/4775854/+files/WifiSyslog.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1641049] ProcModules.txt

2016-11-11 Thread Arseny Tolmachev
apport information ** Attachment added: "ProcModules.txt" https://bugs.launchpad.net/bugs/1641049/+attachment/4775852/+files/ProcModules.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1641049] Re: NFSv4 do not invalidate cached information about deleted files

2016-11-11 Thread Arseny Tolmachev
apport information ** Tags added: apport-collected ** Description changed: When using NFSv4 client in Ubuntu 16.04 the the following sequence of actions fails. You need a NFS server (S) and two clients (A and B). Let the NFS share be mounted at /nfsdata A: echo test >

[Kernel-packages] [Bug 1641049] Re: NFSv4 do not invalidate cached information about deleted files

2016-11-24 Thread Arseny Tolmachev
We are testing this with different kernel versions right now. I would like to report that NFSv3 workaround does not work with symlinks (the bug still appears), but seems to work with regular files. -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 1641049] Re: NFSv4 do not invalidate cached information about deleted files

2016-11-25 Thread Arseny Tolmachev
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1641049 Title: NFSv4 do not invalidate cached information about

[Kernel-packages] [Bug 1641049] Re: NFSv4 do not invalidate cached information about deleted files

2016-11-25 Thread Arseny Tolmachev
I was able to reproduce this bug in a bit different manner in vagrant VM environment. We were using 16.04 as nfs server and 14.04, 16.04 (with latest kernel and 4.9-rc6) and 16.10 as clients. For the testing we were using the script in the end of this post. Scenario is: * create 1k symlinks by

[Kernel-packages] [Bug 1641049] Re: NFSv4 do not invalidate cached information about deleted files

2016-11-11 Thread Arseny Tolmachev
All information should be added now. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1641049 Title: NFSv4 do not