[OpenWrt-Devel] Linksys WRT54G / 16mb / wifi / lowmem / concurrency
nbd at openwrt.org
Wed Dec 17 05:27:02 EST 2014
On 2014-12-17 09:41, Bastian Bittorf wrote:
> I did some experiments to get our "good old" Linksys WRT54G
> running with recent trunk r43602 / kernel 3.14.26. We are only
> using it in adhoc-mode (with olsrd) and it is working OK.
> But there is still an issue, but i think it has to do with the
> design of the bootup-process:
> if wifi is enabled, the box has a lot of (see below )
> # "irq/4-b43: page allocation failure: order:3, mode:0x204020"
> during bootup and is "laggy" / unresponsive.
> if wifi is disabled and we do after bootup a
> uci set wireless.radio0.disabled=0; wifi
> there are no problems and even 4000 kb free ram.
> I havent opened a ticket on bugtracker, because it
> is no bug 8-)
Please test if putting http://nbd.name/990-test.patch into
package/kernel/mac80211/patches reduces or fixes these allocation
> question: will procd fire init-scripts in parallel?
> question: hotplug-events are queued and run one after another, right?
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