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Date: Fri, 17 Jan 2014 12:15:46 +0100
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Subject: Re: [ptxdist] sporadic crashes of shell commands
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Hi Arno,

On Friday 17 January 2014 11:16:02 Arno Euteneuer wrote:
> [...]
> A while ago we noticed that commands like e.g. lsmod would sometimes crash
> on the target with an Illegal Instruction or segfault, just to work
> correctly again in the next second. Also we sometimes got kicked out of o=
ur
> ssh session on the target for no obvious reason. This happened very seldom
> first. However, now after investigating into it, we are able to cause the=
se
> faults with a simple shell script. The script executes a few - more or le=
ss
> arbitrarily selected - commands (du, lsmod, lusb, cp /boot/uImage /tmp/) =
in
> an endless loop and collects stderr outputs in a logfile. We usually start
> like 10 instances of the script in parallel (with &) and after a few
> minutes we find several reports about Illegal Instructions and/or
> Segmentation faults in the logfile.

Is there a correlation between the memory size the kernel gets reported and=
 the =

used memory devices soldered onto the board? ;)

> [...]

Regards,
Juergen

-- =

Pengutronix e.K. =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0| Juergen Beisert =A0 =A0 =A0 =A0 =A0 =A0 |
Linux Solutions for Science and Industry =A0 =A0 =A0| http://www.pengutroni=
x.de/  |

-- =

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