linux-ext4 - [Bug 62751] INFO: rcu_sched detected stalls on CPUs/tasks: { 3} (detected by 2, t=15107 jiffies, g=270766, c=270765, q=0)

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Message-ID: <bug-62751-13602-8m0q36vxgk@https.bugzilla.kernel.org/>
Date:	Fri, 20 Dec 2013 15:45:25 +0000
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 62751] INFO: rcu_sched detected stalls on CPUs/tasks: { 3}
 (detected by 2, t=15107 jiffies, g=270766, c=270765, q=0)

https://bugzilla.kernel.org/show_bug.cgi?id=62751

--- Comment #11 from Loris Luise <loris.luise@...il.com> ---
Hello,

I had cloned root partition to a XFS one and curently I have no more problems.

Previously I used a mount line in fstab like this

/dev/mapper/h30server2-root /               ext4   
errors=remount-ro,noatime,nodiratime,data=writeback 0       1

and later (after your suggestion)

/dev/mapper/h30server2-root /               ext4   
errors=remount-ro,noatime,nodiratime,nodelalloc,data=writeback 0       1


but I did not test it with this new option for a sufficient amount of time to
be considered valid and come to a conclusion.

(I had to stabilize the system so I was forced to switch to XFS).

I collected more buginfos If they can be usefult I can post them here.

Thanks a lot.

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