Package: openafs-client
Version: 1.6.9-2+deb8u5
Severity: important

Dear Maintainer,

As discussed on the openafs-info mailing list, the openafs-client is unreliable 
(cannot checkout certain repos) after some backported patches were applied to 
the
kernel.

With respect to the 'git checkout test' was when openafs-client
is paired with 
  3.16.7-ckt20-1+deb8u4
and first broken is
  3.16.7-ckt25-1
.

Mark Vitale suspects that these changes are responsible for the breakage:
   - vfs: Make sendfile(2) killable even better
   - vfs: Avoid softlockups with sendfile(2)

Also note that openafs packages for Debian versions 1.6.17 and 1.6.18 do not 
fail
the 'git checkout test' with recent Jessie kernel.

This link is to the thread on openafs-info in which Jonathan Kollasch, Benjamin 
Kaduk,
Jeffry Altman, and Mark Vitale helped focus debugging on the relavant facts.  
Thanks
all!
https://lists.openafs.org/pipermail/openafs-info/2016-July/041867.html

C.


-- System Information:
Debian Release: 8.5
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16.0-4-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages openafs-client depends on:
ii  debconf [debconf-2.0]  1.5.56
ii  libc6                  2.19-18+deb8u4
ii  libcomerr2             1.42.12-1.1
ii  libk5crypto3           1.12.1+dfsg-19+deb8u2
ii  libkrb5-3              1.12.1+dfsg-19+deb8u2
ii  libncurses5            5.9+20140913-1+b1
ii  libtinfo5              5.9+20140913-1+b1

Versions of packages openafs-client recommends:
ii  lsof                  4.86+dfsg-1
ii  openafs-modules-dkms  1.6.9-2+deb8u5

Versions of packages openafs-client suggests:
pn  openafs-doc   <none>
ii  openafs-krb5  1.6.9-2+deb8u5

-- debconf information:
  openafs-client/crypt: true
  openafs-client/run-client: true
  openafs-client/dynroot: Yes
  openafs-client/cachesize: 50000
  openafs-client/afsdb: true
  openafs-client/cell-info:
  openafs-client/fakestat: true
  openafs-client/thiscell: physics.wisc.edu

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