[Bug 5540] Parse error in ash when redirecting value to sysfs

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5540

--- Comment #2 from Denys Vlasenko <vda.linux at googlemail.com> 2012-09-19 09:34:45 UTC ---
Please strace it:

strace -oLOG -s99 ash -c 'echo 128>
/sys/class/backlight/pwm-backlight.0/brightness'

and post the LOG file

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