[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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** Changed in: linux (Ubuntu)
Assignee: Andy Whitcroft (apw) => (unassigned)
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Title:
Fstrim destroys data on loopback device
S
JDownloader, could you please provide an offline apport-collect as
outlined in
https://help.ubuntu.com/community/ReportingBugs#Filing_bugs_when_offline_or_using_a_headless_setup
? This wouldn't require rebooting.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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** Tags removed: kernel-key
** Tags added: kernel-da-key
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Title:
Fstrim destroys data on loopback device
Status in linux package in
@Andy: any news about this? can you reproduce? maybe any better place to
report this bug?
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Title:
Fstrim destroys data on loopback d
Would be nice to know if anyone else can confirm this bug?
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Title:
Fstrim destroys data on loopback device
Status in “linux” packag
** Tags added: kernel-key
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Title:
Fstrim destroys data on loopback device
Status in “linux” package in Ubuntu:
Confirmed
Bug des
Do you need any more information? Could you reproduce the bug?
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Title:
Fstrim destroys data on loopback device
Status in “linux” pa
*** before mount ...
17M -rw-r--r-- 1 root root 1001M Oct 17 13:32 /root/lp1381961/sparse-file
*** copy files ...
*** sync ...
*** du before trim...
16K /root/lp1381961/mnt/lost+found
342M/root/lp1381961/mnt/.jd_home
342M/root/lp1381961/mnt
*** before trim ...
364M -rw-r--r-- 1 root ro
I could reproduce the issue by adding a single "sync". It seems the
umount in original script flushes data to loopdevice. When the caches
are already flushed you will be able to reproduce the dataloss!
Btw..fsck seems unable to detect the broken filesystem!?
PS: I changed from mdadm to normal mou
I will try your script and also provide output to show the "dataloss" on
my side
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Title:
Fstrim destroys data on loopback device
St
Here is the actual script i am using to implement your reproduction
"script" in the description.
** Attachment added: "repro"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1381968/+attachment/4238850/+files/repro
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I have attempted to reproduce this on both Utopic and Trusty (14.04)
without success, below is a transcript of my attempt on Trusty. This is
with the latest Trusty main kernel. Perhaps you could confirm this
script correctly repeats your reproduce steps. If so then there must be
a system specifi
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Andy Whitcroft (apw)
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Title:
Fstrim destroys data on loopback device
S
** Changed in: linux (Ubuntu)
Importance: Undecided => Critical
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Title:
Fstrim destroys data on loopback device
Status in “linux
sorry, somehow assigned to wrong package
** Package changed: openjdk-6 (Ubuntu) => linux (Ubuntu)
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Title:
Fstrim destroys data on l
I could not create missing logs because of:
It appears you are currently running a mainline kernel
I've upgraded to mainline kernel 3.17.1-031701-generic #201410150735, thought
it maybe contains a bugfix for this.
As the server runs in production-environment a restart is not that easy.
I've dete
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