Paul Larson [plars@linuxtestproject.org] wrote:
> I've been playing with sysfs and notices something odd. If I do this:
> echo 1 > /sys/devices/sys/name
> the process appears to be hung. ^c won't return control to me. If I
> log in on another console though, I can't find it running in the process
> list. All I can do is kill the login process. No kernel errors when I
> do this, just the hung terminal.
>
> -Paul Larson
I repeated your example and in a quick look at the backtrace
the echo is in a loop calling down into sysfs_write_file/dev_attr_store.
I think the problem is that if a device does not have a attribute store
function the return value from dev_attr_store is incorrect.
-andmike
-- Michael Anderson andmike@us.ibm.com- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Nov 15 2002 - 22:00:40 EST