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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1911438
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Focal)
Status: New => Incomplete
** Changed in: linux (Ubuntu Groovy)
Status: New => Incomplete
** Tags added: focal
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https://bugs.launchpad.net/bugs/1911438
Title:
CIFS: Request for backport
Status in linux package in Ubuntu:
Incomplete
Status in linux-azure package in Ubuntu:
New
Status in linux source package in Focal:
In Progress
Status in linux-azure source package in Focal:
In Progress
Status in linux source package in Groovy:
Invalid
Status in linux-azure source package in Groovy:
Invalid
Bug description:
[Impact]
Microsoft CIFS team requested below patches to be backported (it was
marked for stable last month) to Ubuntu 18.04 and newer.
6988a619f5b7 "cifs: allow syscalls to be restarted in __smb_send_rqst()"
2659d3bff3e1 cifs: fix interrupted close commands
Since 6988a619f5b79e4efadea6e19dcfe75fbcd350b5 hasn't been picked up
for 5.4.0-1031-azure (the current 18.04 kernel version for Azure
image), I would like make a request for backport.
[Test Case]
Since those are small improvements a basic smoke test can be used to
avoid regressions:
1. Install cifs-utils and dbench:
$ sudo apt-get install cifs-utils dbench
2. Mount a CIFS share using:
$ sudo mount -t cifs -o username=REMOTEUSER
\\remoteip\path\to\shared\folder /mnt
3. Run dbench and check for regressions:
$ cd /mnt; dbench 20 -t 120 -D .
[Where problems could occur]
The regression potential is restricted to the ability of mounting and
accessing CIFS volumes.
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