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Wed, 9 Jul 2025 23:38:48 +1000 (AEST) Date: Wed, 9 Jul 2025 23:39:53 +1000 From: Stephen Rothwell To: Marek Szyprowski Cc: Leon Romanovsky , Leon Romanovsky , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: boot failure after merge of the dma-mapping tree Message-ID: <20250709233953.7afb7a8a@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/kHrdnwknmDn3dbY1sE6cxWv"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/kHrdnwknmDn3dbY1sE6cxWv Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the dma-mapping tree, today's linux-next qemu boot test (powerpc pseries_le_defconfig) failed like this: [ 0.219439][ T1] ibmvscsi 71000003: SRP_VERSION: 16.a [ 0.219472][ T1] ibmvscsi 71000003: Error -4 opening adapter [ 0.219507][ T1] ibmvscsi 71000003: couldn't initialize crq. rc=3D-1 [ 0.221963][ T1] ibmvscsi 71000003: probe with driver ibmvscsi failed= with error -1 The normal output is: [ 0.221208][ T1] ibmvscsi 71000003: SRP_VERSION: 16.a [ 0.221272][ T1] ibmvscsi 71000003: Maximum ID: 64 Maximum LUN: 32 Ma= ximum Channel: 3 [ 0.221310][ T1] scsi host0: IBM POWER Virtual SCSI Adapter 1.5.9 [ 0.221653][ C0] ibmvscsi 71000003: partner initialization complete [ 0.221696][ C0] ibmvscsi 71000003: host srp version: 16.a, host part= ition qemu (0), OS 2, max io 2097152 [ 0.221752][ C0] ibmvscsi 71000003: sent SRP login [ 0.221778][ C0] ibmvscsi 71000003: SRP_LOGIN succeeded [ 0.223269][ T1] scsi 0:0:2:0: CD-ROM QEMU QEMU CD-ROM= 2.5+ PQ: 0 ANSI: 5 [ 0.239389][ T28] Freeing initrd memory: 1844K [ 0.302192][ C0] sr 0:0:2:0: Power-on or device reset occurred [ 0.302411][ T1] sr 0:0:2:0: [sr0] scsi3-mmc drive: 16x/50x cd/rw xa/= form2 cdda tray [ 0.302450][ T1] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 0.302800][ T1] sr 0:0:2:0: Attached scsi generic sg0 type 5 Bisectd to commit ec7352735abf ("dma-mapping: export new dma_*map_phys() interface") And reverting that commit, and the following one, in today's linux-next release, fixes the problem. --=20 Cheers, Stephen Rothwell --Sig_/kHrdnwknmDn3dbY1sE6cxWv Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmhucSkACgkQAVBC80lX 0GwZiQf/XuG2KLkjifmsXGvZdisyKFaQNdMyFNYx/abXDLgeHD0ros8Ir1kyDM4z XkdxbaZyJRR3+23AQExnrqovJtuAy4juGvgzsFNQTm6q5TvbFx4PPC/MXPpKWVR2 S0j+79ZqU/TUAgpHNJ5m9BNYKqANYI/07/Nlt2CEvfzPGQOuoYwopCgLaRKoV4R9 3w9M0GSXWCqA29mrOnXx4K0EnlXP/VN47BwmBwxsUnhEmcziMjCl88LFgdy3/sJ/ Nrae3b03LK4VaDXoGX1xiWmsD0ldusPbDFTHVxy/JHLd6F64LjoAt33b28IS5rrz uR288DDHOmR/J/5nrS40NdfrxLAd6Q== =L0Jr -----END PGP SIGNATURE----- --Sig_/kHrdnwknmDn3dbY1sE6cxWv--