** Changed in: linux-linaro-mx51 (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux-linaro-mx51 (Ubuntu)
Status: Invalid => Fix Released
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** Tags added: imx51
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Title:
imx51 randomly truncates serial input at 31 characters
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Can't verify on 11.08 release for severe bug: # 839539,
After changing an old uboot, meet severe bug: #839541,
In initramfs environment, no such bug, but I don't think it makes sense :(
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h
Spring, could you try this please? I don't have an easy way to test it
with what's in the lab, unless we get it reimaged first. I assume it is
in the current imx51 hwpack?
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Paul/Spring, could you confirm that the bug is fixed with linux-linaro-
mx51 too?
** Changed in: linux-linaro
Status: Fix Committed => Fix Released
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Nicolas has pulled Shawn branch: http://git.linaro.org/gitweb?p=kernel
/linux-
linaro-2.6.39.git;a=commit;h=c7347b84c933b584dacfd33b943e12fc8007798b
> It extends the card CD/WP support for mx5 platforms, and adds the
> board level configuration for mx51evk to fix bug 754254 on this
> particular bo
** Changed in: linux-linaro
Status: New => Triaged
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Title:
imx51 randomly truncates serial input at 31 characters
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It's not an UART problem but a system performance issue, which is caused
by the fact that SD driver lacks of card detection support. The card
present polling in SDHCI based driver is very expense, and impacts
system performance a lot. Adding card detection support solves the
problem. The patch s
Confirmed Shawn's discovery: slot2 SD lowers the issue possibility.
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Title:
imx51 randomly truncates serial input at 31 characters
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** Changed in: linux-linaro
Assignee: Deepak Saxena (dsaxena-linaro) => Shawn Guo (shawnguo)
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Title:
imx51 randomly truncates serial input at
I was asked by my Freescale manager to look at this bug. One
interesting thing I found is when I plug a SD/MMC memory card into the
slot2 on mx51evk board, the issue is gone. I would get a confirmation
from validation team on this phenomena.
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** Changed in: linux-linaro
Assignee: (unassigned) => Deepak Saxena (dsaxena-linaro)
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Title:
imx51 randomly truncates serial input at 31 char
Generally, mx53 is far better on the issue.
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Title:
imx51 randomly truncates serial input at 31 characters
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ubuntu-bu
eric, could you help here? this is a release blocker and blocks lava
enablement of imx51 (dont know about 53)
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Title:
imx51 randomly truncates ser
occasionally I found the issue exist on mx53loco too, but the
possibility is low
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Title:
imx51 randomly truncates serial input at 31 characters
-
** Changed in: linux-linaro
Importance: Undecided => High
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Title:
imx51 randomly truncates serial input at 31 characters
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** Also affects: linux-linaro
Importance: Undecided
Status: New
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Title:
imx51 randomly truncates serial input at 31 characters
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Spring has confirmed this bug on his machines as well, and also
confirmed it in the latest images. Talking to Paul Liu on IRC, it
sounds like he is unable to reproduce with the lt kernel, so hopefully
there is a quick fix for this. It currently blocks using freescale
boards reliably in the automa
cu turn on XON/XOFF by default, and uucp port config is:
port ttyUSB0
type direct
device /dev/ttyUSB0
hardflow false
speed 115200
I also switch to minicom and turn on software flow control to have a
try, still met error sometimes
kernel config is: console=tty0 console=ttymxc0,115200n8
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Exactly at 31 characters, I tested in an somewhat old kernel.
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Title:
imx51 randomly truncates serial input at 31 characters
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Hi plars,
>From Freescale's doc, there is
##
Each UART contains a 32-byte transmitter FIFO and a 32-half-word deep
receiver FIFO. Each UART also supports a
variety of maskable interrupts when the data level in each FIFO reaches a
programmed threshold level and when
there is a change in st
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