linux-ext4 - Re: Unable to randomly boot rootfs (EXT3 or EXT4) from SD: MMC error -110 (TIMEDOUT)

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Date:	Tue, 27 Aug 2013 17:47:22 -0400
From:	Kevyn-Alexandre Paré 
	<kevyn.alexandre.pare@...il.com>
To:	linux-omap@...r.kernel.org, linux-mmc@...r.kernel.org
Cc:	linux-ext4@...r.kernel.org
Subject: Re: Unable to randomly boot rootfs (EXT3 or EXT4) from SD: MMC error
 -110 (TIMEDOUT)

Hi,
Another test with 3.4.59 with EXT4 and:
tune2fs -o journal_data_ordered -e panic (partition)
results in kernel panic:

[...]
Waiting for root device /dev/mmcblk0p2...
mmc0: host does not support reading read-only switch. assuming write-enable.
mmc0: new high speed SDXC card at address aaaa
mmcblk0: mmc0:aaaa SU64G 59.4 GiB
 mmcblk0: p1 p2
mmc1: mmc_rescan_try_freq: trying to init card at 400000 Hz
mmc1: new SDIO card at address 0001
EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext4 filesystem) on device 179:2.
devtmpfs: mounted
Freeing init memory: 220K
INIT: version 2.86 booting
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, aborting
end_request: I/O error, dev mmcblk0, sector 4391640
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, aborting
end_request: I/O error, dev mmcblk0, sector 4391640
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, aborting
end_request: I/O error, dev mmcblk0, sector 4391640
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, aborting
end_request: I/O error, dev mmcblk0, sector 4391640
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, aborting
end_request: I/O error, dev mmcblk0, sector 131072
Buffer I/O error on device mmcblk0p2, logical block 0
lost page write due to I/O error on mmcblk0p2
EXT4-fs error (device mmcblk0p2): ext4_find_entry:932: inode #131526:
comm rc: reading directory lblock 0
Aborting journal on device mmcblk0p2-8.
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, aborting
end_request: I/O error, dev mmcblk0, sector 59113472
Buffer I/O error on device mmcblk0p2, logical block 7372800
lost page write due to I/O error on mmcblk0p2
JBD2: Error -5 detected when updating journal superblock for mmcblk0p2-8.
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, aborting
end_request: I/O error, dev mmcblk0, sector 59113472
Buffer I/O error on device mmcblk0p2, logical block 7372800
lost page write due to I/O error on mmcblk0p2
JBD2: Error -5 detected when updating journal superblock for mmcblk0p2-8.
Kernel panic - not syncing: EXT4-fs (device mmcblk0p2): panic forced after error

If you need specific details let me know.

thx

-KA

On Sun, Jul 21, 2013 at 1:07 PM, Kevyn-Alexandre Paré
<kevyn.alexandre.pare@...il.com> wrote:
> Hi,
>
> I'm trying to figure out why when randomly booting our system after it =
> have been hard shutdown for some time (couple of minutes to couple of =
> days) doesn't boot with MMC error?=20
>
> WORKAROUND:
> Rebooting the system most of the time remove the issue.
>
> I try couple of version of Kernel from stable 3.2.47 & 3.4.53 without =
> success.
> I try to change FS from EXT3 to EXT4 without success.
> I try multiple SD..
>
> Any proposition of test that you think that is worth trying, I'm willing =
> to try.
>
> Your opinions will really be appreciated,
>
> See below for some output of my environment,
> http://pastebin.com/qchsr1FQ
>
> Thx,
>
> -Kevyn-Alexandre Par=E9
> ps: My intention are to enable CONFIG_MMC_DEBUG? Try kernel 3.10.1?
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