From mboxrd@z Thu Jan 1 00:00:00 1970 From: ben@decadent.org.uk (Ben Hutchings) Date: Wed, 07 Dec 2011 06:02:27 +0000 Subject: Bug#651215: Kernel fails to boot on NSLU2 In-Reply-To: <20111206194048.12063.82586.reportbug@vrnul03074nb.vr-netze.vrnet> References: <20111206194048.12063.82586.reportbug@vrnul03074nb.vr-netze.vrnet> Message-ID: <1323237747.18450.7.camel@deadeye> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, 2011-12-06 at 20:40 +0100, Jochen Friedrich wrote: > Package: linux-image-3.1.0-1-ixp4xx > Severity: normal > > While 3.0.0-6 booted OK on NSLU2 platform, 3.1.0-1 or -4 fails to do so. > > Boot log: [...] > [ 0.000000] Linux version 3.1.0-1-ixp4xx (Debian 3.1.4-1) (waldi at debian.org) > (gcc version 4.6.2 (Debian 4.6.2-4) ) #1 Wed Nov 30 06:35:38 UTC 2011 > [ 0.000000] CPU: XScale-IXP42x Family [690541f1] revision 1 (ARMv5TE), > cr=0000397f > [ 0.000000] CPU: VIVT data cache, VIVT instruction cache > [ 0.000000] Machine: Linksys NSLU2 [...] > [ 3.269860] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver > [ 3.350596] PCI: enabling device 0000:00:01.2 (0140 -> 0142) > [ 3.356553] ehci_hcd 0000:00:01.2: EHCI Host Controller > [ 3.452053] ehci_hcd 0000:00:01.2: new USB bus registered, assigned bus > number 1 > [ 3.459646] ehci_hcd 0000:00:01.2: coherent DMA mask 0x3ffffff is smaller > than system GFP_DMA mask 0xffffffff > [ 3.570085] ehci_hcd 0000:00:01.2: coherent DMA mask 0x3ffffff is smaller > than system GFP_DMA mask 0xffffffff > [ 3.680189] ehci_hcd 0000:00:01.2: coherent DMA mask 0x3ffffff is smaller > than system GFP_DMA mask 0xffffffff > (repeated over and over) I assume that this has something to do with: commit 650320181a08b64d4421c65c639cf47ad8cc2cd6 Author: Nicolas Pitre Date: Mon Jul 18 15:05:10 2011 -0400 ARM: change ARM_DMA_ZONE_SIZE into a variable commit 7553ee777b513c3bc8f45bb9fc75fb1bbc584ba1 Author: Nicolas Pitre Date: Tue Jul 5 22:28:09 2011 -0400 ARM: mach-ixp4xx: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size It's clear that the DMA zone size is supposed to be 64 MB on this machine and I don't see why the DMA mask hasn't propagated correctly. Any idea, Nicholas? Ben. -- Ben Hutchings Absolutum obsoletum. (If it works, it's out of date.) - Stafford Beer -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 828 bytes Desc: This is a digitally signed message part URL: