From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Re: hpsa failure with 4.3.0-rc1 Date: Wed, 30 Sep 2015 11:14:11 +0200 Message-ID: <20150930091411.GA6045@pd.tnic> References: <560B9202.9080703@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mx2.suse.de ([195.135.220.15]:48766 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751184AbbI3JOx (ORCPT ); Wed, 30 Sep 2015 05:14:53 -0400 Content-Disposition: inline In-Reply-To: <560B9202.9080703@suse.de> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Hannes Reinecke Cc: Don Brace , "linux-scsi@vger.kernel.org" , Joerg Roedel On Wed, Sep 30, 2015 at 09:40:50AM +0200, Hannes Reinecke wrote: > Hi all, >=20 > trying to boot 4.3.0-rc1 on a system with hpsa results in a swiotlb > failure: >=20 > hpsa 0000:22:00.0: Logical aborts not supported > hpsa 0000:22:00.0: HP SSD Smart Path aborts not supported > hpsa 0000:22:00.0: swiotlb buffer is full (sz: 786432 bytes) > swiotlb: coherent allocation failed for device 0000:22:00.0 size=3D > 786432 > CPU: 43 PID: 566 Comm: systemd-udevd Not tainted 4.3.0-rc1-default+ #= 358 > Hardware name: HP ProLiant BL660c Gen8, BIOS I32 08/20/2012 > ffff88181c314098 ffff8810194cba40 ffffffff8138fad2 00000000000c0 > ffff8810194cba80 ffffffff813ba3d9 ffff881000000008 0000000000000 > 220 > ffff88181c314098 00000000000c0000 ffff8810184101e8 ffff881018410 > 000 > Call Trace: > [] dump_stack+0x4b/0x69 > [] swiotlb_alloc_coherent+0x149/0x160 > [] x86_swiotlb_alloc_coherent+0x3e/0x50 > [] hpsa_init_one+0x915/0x1c90 [hpsa] > [] ? rcu_read_lock_sched_held+0x8c/0xa0 > [] local_pci_probe+0x40/0xa0 > [] ? pci_match_device+0xdb/0x100 >=20 > 4.2.0-rc3 worked fine here. > Needless to say, enabling IOMMU makes the problem go away :-) Hmm, I don't see anything relevant having changed in swiotlb since then= : $ git log --oneline v4.2-rc3..HEAD $(git ls-files arch/x86/ drivers/ in= clude/ | grep swiotlb) 33e247c7e58d Merge branch 'akpm' (patches from Andrew) 6894258eda2f dma-mapping: consolidate dma_{alloc,free}_{attrs,coherent} 32e09870eedf xen: Make clear that swiotlb and biomerge are dealing with= DMA address Maybe my regex is missing some or the problem is somewhere else... --=20 Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imend=C3=B6rffer, Jane Smithard, Graham Nort= on, HRB 21284 (AG N=C3=BCrnberg) --=20 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html