[Bug 93491] New: Kernel crashes every 10 minutes. Computer stalls

[Bug 93491] New: Kernel crashes every 10 minutes. Computer stalls

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93491

            Bug ID: 93491
           Summary: Kernel crashes every 10 minutes. Computer stalls
           Product: File System
           Version: 2.5
    Kernel Version: 3.18.7-200.fc21.x86_64
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: ext4
          Assignee: fs_ext4@kernel-bugs.osdl.org
          Reporter: ionut.radu@gmail.com
        Regression: No

Created attachment 167541
  --> https://bugzilla.kernel.org/attachment.cgi?id=167541&action=edit
abrt message

With the latest kernel, there are crashes every 10 minutes and computer stalls.
After reboot ABRT displays : 
kernel BUG at fs/ext4/mballoc.c:3272!

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[Bug 93491] Kernel crashes every 10 minutes. Computer stalls

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https://bugzilla.kernel.org/show_bug.cgi?id=93491

Eric Sandeen <sandeen@redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sandeen@redhat.com

--- Comment #1 from Eric Sandeen <sandeen@redhat.com> ---
in static void ext4_mb_use_inode_pa(),

    BUG_ON(start < pa->pa_pstart);
    BUG_ON(end > pa->pa_pstart + EXT4_C2B(sbi, pa->pa_len));
    BUG_ON(pa->pa_free < len);  <<<<---- here

It'd be good to have full dmesg etc, this is a pretty sparse bug report.  Did a
fedora bug get filed from abrt?

It might be worth booting a rescue environment and capturing an e2image -r or
e2iamge -q of the filesystem, to see if this is caused by on-disk corruption
somehow.

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[Bug 93491] Kernel crashes every 10 minutes. Computer stalls

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https://bugzilla.kernel.org/show_bug.cgi?id=93491

--- Comment #2 from Ionut Radu <ionut.radu@gmail.com> ---
Created attachment 167571
  --> https://bugzilla.kernel.org/attachment.cgi?id=167571&action=edit
dmesg after reboot




I've attached dmesg after reboot.
A fedora bug was not filled by the abrt. Computer stalled and after reboot abrt 
tells there is not enough data to report a bug.

After computer stall and forced turn off, filesystem got corrupted and was
fixed via emergency disk with fsck.

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[Bug 93491] Kernel crashes every 10 minutes. Computer stalls

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https://bugzilla.kernel.org/show_bug.cgi?id=93491

--- Comment #3 from Eric Sandeen <sandeen@redhat.com> ---
dmesg after reboot won't be helpful, I'm afraid.

If the fs was corrupt and fixed, but output not saved, and no further
information is available from the crash, this will be very hard to resolve.

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[Bug 93491] Kernel crashes every 10 minutes. Computer stalls

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https://bugzilla.kernel.org/show_bug.cgi?id=93491

--- Comment #4 from Ionut Radu <ionut.radu@gmail.com> ---

Hi Eric,

I see there are some oops dumps from abrt. 
Can you please take a look ?

https://www.dropbox.com/sh/dq0ocnrgocsuuzk/AABpo4_8PJjBFI_X0WBekI7Fa?dl=0

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[Bug 93491] Kernel crashes every 10 minutes. Computer stalls

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https://bugzilla.kernel.org/show_bug.cgi?id=93491

--- Comment #5 from Eric Sandeen <sandeen@redhat.com> ---
That's a lot to look through; the first dmesg I grabbed had no oops in it, and
dropbox is a little tedious to navigate.

If there's an interesting one, can you attach it here?

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[Bug 93491] Kernel crashes every 10 minutes. Computer stalls

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--- Comment #6 from Ionut Radu <ionut.radu@gmail.com> ---


Hi Eric,

I don't know what you are looking for, so I can't tell if a dmesg is
interesting or not.
Can't you temporary copy all of them to your disk if you find dropbox tedious
to navigate ?

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[Bug 93491] Kernel crashes every 10 minutes. Computer stalls

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--- Comment #7 from Eric Sandeen <sandeen@redhat.com> ---
sure, let me do that for you....

the only files which contain "kernel BUG" are "backtrace" and "reason" files,
and they have no other information:

$ cat oops-2015-02-19-09:46:07-817-0/reason
kernel BUG at fs/ext4/mballoc.c:3272!

so there's still not much to go on.  I don't know why abrt didn't capture more.

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--- Comment #8 from Ionut Radu <ionut.radu@gmail.com> ---


Probably because the abrt is collecting data after reboot if computer stalls.

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[Bug 93491] Kernel crashes every 10 minutes. Computer stalls

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Carlos Maiolino <cmaiolino@redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |cmaiolino@redhat.com

--- Comment #9 from Carlos Maiolino <cmaiolino@redhat.com> ---
Can you collect data before the reboot then?

sysrq or serial console maybe?

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[Bug 93491] Kernel crashes every 10 minutes. Computer stalls

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--- Comment #10 from Ionut Radu <ionut.radu@gmail.com> ---
No, I'm sorry. That's all I can provide.

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