Hi Mr. Nelson,

if you have any suggestion for this, do let me know.

Thank you,

Regards,
Ankur

On Thursday, 25 May 2017 14:25:20 UTC-4, Ankur Tank wrote:
>
> Hello Experts,
>
> We are seeing fragmentation and resultant eMMC partition corruption when 
> extracting tar file with 81000 files of 4k size.
>
> Detailed steps are listed in Test_steps.txt file and other attached tars 
> contain required scripts to big tar file and other test scripts.
>
> In test is very simple, 
> 1. we have tar with 81000 number of 4k size file
> 2. we ran latest debian from Beagleboard.org from Micro SD Card
> 3. Partitioned eMMC in two partitions
> 4. Then mounted one of the partition and started extracting big tar file 
> on that partition.
>
> This results in below Error.
> EXT4-fs error (device mmcblk1p2) in ext4_do_update_inode:4665: Journal has 
> aborted
> [12064.194479] EXT4-fs error (device mmcblk1p2) in add_dirent_to_buf:1921: 
> Journal has aborted
> [12064.209980] EXT4-fs error (device mmcblk1p2) in 
> ext4_do_update_inode:4665: Journal has aborted
> [12064.223765] EXT4-fs error (device mmcblk1p2) in ext4_create:2455: IO 
> failure
> [12064.238221] EXT4-fs error (device mmcblk1p2): 
> ext4_journal_check_start:56: Detected aborted journal
> [12064.247591] EXT4-fs (mmcblk1p2): Remounting filesystem read-only
>
>
> Strange enough this test works fine on Angstrom OS image 
> https://s3.amazonaws.com/angstrom/demo/beaglebone/Angstrom-Cloud9-IDE-GNOME-eglibc-ipk-v2012.12-beaglebone-2013.06.20.img.xz
> That image has kernel 3.8, while latest debian has kernel 4.4.
>
> I suspect some memory leak in the driver(edma.c).
>
> We see this issue sporadically in field devices so this is not unrealistic 
> error.
> We got this use case to reproduce this issue.
>
> Any suggestion, patch to solve this issue ?
>
> Thank you,
>
> Regards,
> Ankur
>
>

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