From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc MERLIN Subject: Re: kernel 3.5.2/amd64: iwlwifi 0000:03:00.0: failed to allocate pci memory Date: Mon, 10 Sep 2012 08:34:31 -0700 Message-ID: <20120910153431.GD5053@merlins.org> References: <20120908161038.GF3347@merlins.org> <1347122927.1234.849.camel@edumazet-glaptop> <20120904003014.GB6287@merlins.org> <20120908170128.GK3347@merlins.org> <1347130641.11167.0.camel@jlt4.sipsolutions.net> <1347272641.4272.1.camel@jlt4.sipsolutions.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: wey-yi.w.guy-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, ilw-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-q7rQbLoQdy39qxiX1TGQuw@public.gmane.org To: Johannes Berg Return-path: Content-Disposition: inline In-Reply-To: <1347272641.4272.1.camel-8Nb76shvtaUJvtFkdXX2HixXY32XiHfO@public.gmane.org> Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org On Mon, Sep 10, 2012 at 12:24:01PM +0200, Johannes Berg wrote: > On Sat, 2012-09-08 at 20:57 +0200, Johannes Berg wrote: > > > > [856806.497959] [] warn_alloc_failed+0x117/0x12c > > > [856806.497963] [] __alloc_pages_nodemask+0x6e3/0x792 > > > [856806.497969] [] ? pfn_to_dma_pte+0x116/0x15e > > > [856806.497976] [] alloc_pages_current+0xcd/0xee > > > [856806.497979] [] __get_free_pages+0x9/0x45 > > > [856806.497982] [] intel_alloc_coherent+0x84/0xe7 > > > [856806.497986] [] ? arch_local_irq_save+0x15/0x1b > > > [856806.497999] [] iwl_ucode_callback+0xa49/0xc0d [iwlwifi] > > > > Yes, unfortunately we need a whole bunch of contiguous memory to load > > the firmware. > > > > > Any ideas? > > > > Nothing we can do from the driver side, I'm afraid. > > Turns out I was wrong. Here's a patch you can test. Note that we still > need a lot of DMA-coherent memory for other things, but at least for the > firmware image we don't. Thanks for that, I'll try it out and report back if I have other problems (it's hard to prove that it worked since I don't have the fragmented memory right away). Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html