From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0C30413D896; Thu, 1 Aug 2024 05:14:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722489303; cv=none; b=fd33K5Y9snlfPZ8R1dnJ/1CIVrvbBHgs3ozaMuO3GZBKhtQ/6VcEySiIG8vV+3tdc5pU6FElK/WwyxAfTwAeeLKwky3ervRtKhq78dP0j/+2VUfqDKO+RypsXv+tamMVf5nC4sNrvYiuTEdm61K3KgdyaG3IF6+7XDo/RHKwbkA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722489303; c=relaxed/simple; bh=NPwyKivif4ervZNNxbD6tU9GTqSY+6P3j0oAvfIDYR0=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=Ne9fB+ntf5AeJDaR8EuhsUMGOJr0PQ7WTIzEKhZ0YtVVE9NzqvCu3SnMOprnknEZSY3knjWpqPJDbn9TLvvmwq0xfQcAhFEXob/77pdHJ9+t1bFghm7fnD0Ama0hhmzm4bNMRFNR13iq017YwKbYCrEVvlQklBgGxzlcblQbqR8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au; spf=pass smtp.mailfrom=canb.auug.org.au; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b=mPVLDIK0; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="mPVLDIK0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1722489297; bh=9ekLAqcHMmW2qzcPBYo8F7ssePw8pSFREMlSsQxjCns=; h=Date:From:To:Cc:Subject:From; b=mPVLDIK0/knKc7ZzmaKymdAd2cboi5nXmomkTZTo9bJwVgDyvHQIcZimJ0PTyv87V 9jAgpgXjxqJv1sGDjKvoVm2M3PX8k/BAewdySI1SGNhKbFAzHkhJ9jYPvhOx/IHeSs 7kqnHBRriNzt2O0hV7Fzw2cCnglwRZCcOJQlr4C4msGzY/2N429CiZvTP3pxWCyfsh Jo6f1+mBNTM/qlu9WvnzF/jTOHxFEe54Q5U266x4csBI2paTmnpfepa8if616G4iZt QrY1UG0NiS3ca0Fl07IIYDrDQ/q/FpR6GuIzF4TFniFZNfz2QDF0Kmk1Bef3Agl6pC I7IYUAdGO2bFg== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4WZHG860WCz4wbR; Thu, 1 Aug 2024 15:14:56 +1000 (AEST) Date: Thu, 1 Aug 2024 15:14:55 +1000 From: Stephen Rothwell To: Christoph Hellwig Cc: Linux Kernel Mailing List , Linux Next Mailing List , Michael Ellerman , PowerPC Subject: linux-next: runtime warning after merge of the dma-mapping tree Message-ID: <20240801151455.01f08778@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_/OXXotUFWdVvvUXMOe8InhfD"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/OXXotUFWdVvvUXMOe8InhfD 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 boot) produced this warning: ipr: IBM Power RAID SCSI Device Driver version: 2.6.4 (March 14, 2017) ibmvscsi 71000003: SRP_VERSION: 16.a ibmvscsi 71000003: Maximum ID: 64 Maximum LUN: 32 Maximum Channel: 3 scsi host0: IBM POWER Virtual SCSI Adapter 1.5.9 ibmvscsi 71000003: partner initialization complete ibmvscsi 71000003: host srp version: 16.a, host partition qemu (0), OS 2, m= ax io 2097152 ibmvscsi 71000003: sent SRP login ibmvscsi 71000003: SRP_LOGIN succeeded ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at include/linux/dma-mapping.h:564 scsi_init_limits+= 0x12c/0x134 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-rc1-02654-gb095b78c= 3a3d #1 Hardware name: IBM pSeries (emulated by qemu) POWER8 (architected) 0x4d0200= 0xf000004 of:SLOF,HEAD pSeries NIP: c000000000c350c0 LR: c000000000c34fd4 CTR: 0000000000000000 REGS: c00000000498f0c0 TRAP: 0700 Not tainted (6.11.0-rc1-02654-gb095b78= c3a3d) MSR: 8000000002029033 CR: 24002240 XER: 00000= 000 CFAR: c000000000c35068 IRQMASK: 0=20 GPR00: 0000000000000005 c00000000498f360 c00000000165af00 c00000000498f3f0= =20 GPR04: 0000000000000000 0000000000000000 c00000000498f498 0000000000000003= =20 GPR08: 0000000000000080 0000000000000000 00000000ffffffff 0000000000002000= =20 GPR12: 0000000000000000 c000000002b60000 c00000000001110c 0000000000000000= =20 GPR16: 0000000000000000 0000000000000000 0000000000000000 c0000000065e1900= =20 GPR20: c000000006445c00 c000000001501e48 c000000006445c48 0000000000000000= =20 GPR24: c00000000498f5b0 0000000000000000 c000000002b40330 c000000006c06c28= =20 GPR28: 0000000000000000 c000000006c06c00 c000000006445c48 c0000000065e1000= =20 NIP [c000000000c350c0] scsi_init_limits+0x12c/0x134 LR [c000000000c34fd4] scsi_init_limits+0x40/0x134 Call Trace: [c00000000498f360] [c00000000498f390] 0xc00000000498f390 (unreliable) [c00000000498f390] [c000000000c3ae94] scsi_alloc_sdev+0x204/0x3c4 [c00000000498f4d0] [c000000000c3b2a0] scsi_probe_and_add_lun+0x24c/0x354 [c00000000498f590] [c000000000c3c32c] __scsi_scan_target+0x160/0x294 [c00000000498f5f0] [c000000000c3c694] scsi_scan_channel+0xa0/0xec [c00000000498f640] [c000000000c3c818] scsi_scan_host_selected+0x138/0x198 [c00000000498f690] [c000000000c3cc2c] scsi_scan_host+0x2c0/0x324 [c00000000498f730] [c000000000c6e128] ibmvscsi_probe+0x738/0xb74 [c00000000498f830] [c000000000108ee4] vio_bus_probe+0x9c/0x438 [c00000000498f8d0] [c000000000ba7dec] really_probe+0x104/0x3d4 [c00000000498f960] [c000000000ba8170] __driver_probe_device+0xb4/0x1d0 [c00000000498f9e0] [c000000000ba83dc] driver_probe_device+0x54/0x124 [c00000000498fa20] [c000000000ba86e8] __driver_attach+0xdc/0x204 [c00000000498fa60] [c000000000ba4b34] bus_for_each_dev+0xb4/0x138 [c00000000498fac0] [c000000000ba739c] driver_attach+0x34/0x48 [c00000000498fae0] [c000000000ba676c] bus_add_driver+0x140/0x2f0 [c00000000498fb70] [c000000000ba9d98] driver_register+0x8c/0x1c4 [c00000000498fbe0] [c00000000010a528] __vio_register_driver+0x74/0x98 [c00000000498fc00] [c000000002088e6c] ibmvscsi_module_init+0x8c/0x110 [c00000000498fc30] [c000000000010d98] do_one_initcall+0x80/0x2f8 [c00000000498fd00] [c000000002005c8c] kernel_init_freeable+0x32c/0x520 [c00000000498fde0] [c000000000011138] kernel_init+0x34/0x26c [c00000000498fe50] [c00000000000debc] ret_from_kernel_user_thread+0x14/0x1c --- interrupt: 0 at 0x0 Code: ebe1fff8 7c0803a6 4e800020 60420000 81490000 614a4000 91490000 4bffff= b0 38e00000 3900ffff 60e7ffff 4bffff50 <0fe00000> 4bffffc0 3c4c00a2 38425e3= 8=20 ---[ end trace 0000000000000000 ]--- scsi 0:0:2:0: CD-ROM QEMU QEMU CD-ROM 2.5+ PQ: 0 ANSI: 5 sr 0:0:2:0: Power-on or device reset occurred sr 0:0:2:0: [sr0] scsi3-mmc drive: 16x/50x cd/rw xa/form2 cdda tray Exposed by commit 4d871c2db2fa ("dma-mapping: don't return errors from dma_set_seg_boundary= ") --=20 Cheers, Stephen Rothwell --Sig_/OXXotUFWdVvvUXMOe8InhfD Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmarGc8ACgkQAVBC80lX 0Gx+zgf+Jl0ZK6G0Pk6jLKXN4wNwiKFwC+IZWTXeGFj/URjmmSLUjqrUeYLavugS UwHrNFXocolKYTjIPg3aXGZNKmKY0o01WJ2T5KvZXfmgN0xqv2Al8YnQUCsC97EB q/roKhHxMyS2mmyYUzfX7YuB6PMoCFyK1QKtPPqbnRRb3DsvszdVWtQhLvaJPKhi s+ERdXVbArn0ncVJujo/Ry5mNQPY7+8Oc9nJvk9kowMuM04Kj48DxTEWzcGc0aji M6E5nrTQhqfJLzZFrdCdl3efs0UNyY8LygAA6lVpsV1AVcdLjXSrXjghgU/LG6tc tiUyA3R7YtN6YuZma9/lwsb+0jlKBQ== =aQSS -----END PGP SIGNATURE----- --Sig_/OXXotUFWdVvvUXMOe8InhfD--