linux-ext4 - [Bug 48301] New: Kernel panic when try delete really big file (3,3TB)

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Date:	Thu,  4 Oct 2012 05:43:46 +0000 (UTC)
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 48301] New: Kernel panic when try delete really big file
 (3,3TB)

https://bugzilla.kernel.org/show_bug.cgi?id=48301

           Summary: Kernel panic when try delete really big file (3,3TB)
           Product: File System
           Version: 2.5
    Kernel Version: 3.4.9
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: ext4
        AssignedTo: fs_ext4@...nel-bugs.osdl.org
        ReportedBy: zdenek@...orak.eu
        Regression: No

I try test filesystem ext4 mounted as / on RAID5 (4*2TB).
Create about 3,3TB file by "ddrescue /dev/zero /mnt/zero-file
after that try delete this file "rm /mnt/zero-file"....

system print bugtrace and after that not respond, unable to reboot. 
After manual restart, unable to boot (kernel panic when try mount / ).

Solved by boot actual systemrescueCD and after 1 minutes filesystem
successfully mounted, after next manual restart, standard os boot ok.

Sorry for english.

Thanks
Zdvori

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