The trace doesn't appear CIFS-specific.
As Steve French (CIFS maintainer in Linux kernel) explains in
https://bugs.launchpad.net/ubuntu/+source/samba/+bug/211631/comments/84,
we are in a corner case that can generate some timeouts, as the system
tries the best trade-off in dataloss/timeout/recover
I tried it one last time, this time pulling out the network cable on the
local end, and a trace log showed up. Note that the kernel is tainted
with the nvidia binary, however.
** Attachment added: "dmesg3"
http://launchpadlibrarian.net/28540408/dmesg3
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CIFS loops endlessly when remote host
I've tried it again, although this time by pulling out the remote
network cable instead of calling "shutdown -h -P now". CIFS takes a lot
longer to realize that the remote host is unreachable, and the system
does become a little slower, but not to the same degree as the original.
** Attachment add
I've managed to semi-reproduce it again, although this time against a
Samba server. I mounted it using "sudo mount -t cifs
'\\192.168.1.130\Public' /mnt/temp" , and then while doing "cat
/dev/zero >> /mnt/temp/temp" in another terminal, I called "shutdown -h
-P now" through SSH on the Samba server.
ddcc: anything changed ? Like a recent kernel upgrade ?
** Changed in: samba (Ubuntu)
Status: New => Incomplete
--
CIFS loops endlessly when remote host is down
https://bugs.launchpad.net/bugs/373999
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Bugs, which is subs
Strangely enough, I can't reproduce this issue anymore...
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CIFS loops endlessly when remote host is down
https://bugs.launchpad.net/bugs/373999
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Can you attach the output of dmesg when this happens as well?
Thanks
chuck
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CIFS loops endlessly when remote host is down
https://bugs.launchpad.net/bugs/373999
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** Changed in: samba (Ubuntu)
Status: Incomplete => New
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CIFS loops endlessly when remote host is down
https://bugs.launchpad.net/bugs/373999
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dpkg-query -W -f='${Package} ${Version} ${Source} ${Status}\n' | grep
samba
libpam-smbpass 2:3.3.2-1ubuntu3 samba install ok installed
libsmbclient 2:3.3.2-1ubuntu3 samba install ok installed
libwbclient0 2:3.3.2-1ubuntu3 samba install ok installed
samba 2:3.3.2-1ubuntu3 install ok installed
samb
Thank you for taking the time to report this bug and helping to make
Ubuntu better. Unfortunately we can't fix it without more information.
Please include the information requested at
https://wiki.ubuntu.com/DebuggingSamba#samba-client
** Changed in: samba (Ubuntu)
Status: New => Incomplet
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