Hallo Christian, On 12/01/14 16:32, Christian Menard wrote: > I'm experimenting with the new iwlwifi driver on a device with 7260 card. I > enabled support for this card as mentioned in the release notes and added the > corresponding firmware file iwlwifi-7260-8.ucode. Unfortunately the driver is > not > working out of the box for this card. > > The problem breaks down to a failure during DMA memory allocation. Here an > excerpt from wifi_drv's log: > >> Slab too large 131072 reqested 86032 cached 0 >> dma alloc 81920 failed >> Slab too large 131072 reqested 105428 cached 0 >> dma alloc 101316 failed >> .... >> Slab too large 131072 reqested 86032 cached 0 >> dma alloc 81920 failed >> Slab too large 262144 reqested 175072 cached 0 >> dma alloc 170960 failed > > I naively increased maximum slab size by setting SLAB_STOP_LOG2 in > lxc_emul.cc > to 20. Then failure changes to: > >> Failed to get slab for 262144 >> dma alloc: 170960 failed > > So as it appears such a large slab cannot be allocated. Why is that? What > would be the right way (tm) to resolve this issue?
Could you please attach the whole log file? These error messages are normally harmless — the driver tries to load the firmware all at once and falls back to loading the it in smaller chunks if that is not possible. I suspect the issue lies elsewhere. Regards Josef ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk _______________________________________________ genode-main mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/genode-main
