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Tue, 22 Dec 2020 02:27:07 +0000 Received: by smtp418.mail.ne1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 7c610f8e3919699962cea99eb6d0b272; Tue, 22 Dec 2020 02:27:05 +0000 (UTC) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.20.0.2.21\)) Subject: Old PowerMac G5 2-socket/2-cores-each: head -r368820 kernel reports: bus_dmamem_alloc failed to align memory properly Message-Id: Date: Mon, 21 Dec 2020 18:27:01 -0800 To: freebsd-ppc X-Mailer: Apple Mail (2.3654.20.0.2.21) References: X-Rspamd-Queue-Id: 4D0Kws3lYTz4rnh X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.50 / 15.00]; FREEMAIL_FROM(0.00)[yahoo.com]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[yahoo.com:+]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; RBL_DBL_DONT_QUERY_IPS(0.00)[98.137.64.204:from]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[98.137.64.204:from:127.0.2.255]; RCVD_IN_DNSWL_NONE(0.00)[98.137.64.204:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.64.204:from]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-ppc] X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Dec 2020 02:27:10 -0000 I'm upgrading from head -r365932 to -r368820 and on the first boot -s with the new (non-debug) kernel I saw that bus_dmamem_alloc was reporting based on: } else if (vtophys(*vaddr) & (dmat->alignment - 1)) { printf("bus_dmamem_alloc failed to align memory = properly.\n"); } (Be warned that is is my patched-for-PowerMac context that I've used for some many years.) So after the rest of the upgrade to head -r368820 and with boot -v to provide more context . . . The 8 bus_dmamem_alloc messages occur during: . . . Dec 21 18:12:24 FBSDG5L2 kernel: SMP: AP CPU #1 launched Dec 21 18:12:24 FBSDG5L2 kernel: SMP: AP CPU #2 launched Dec 21 18:12:24 FBSDG5L2 kernel: SMP: AP CPU #3 launched Dec 21 18:12:24 FBSDG5L2 kernel: Trying to mount root from = ufs:/dev/ufs/FBSDG5L2rootfs [rw,noatime]... Dec 21 18:12:24 FBSDG5L2 kernel: Root mount waiting for: usbus2 CAM Dec 21 18:12:24 FBSDG5L2 kernel: uhub2: 5 ports with 5 removable, self = powered Dec 21 18:12:24 FBSDG5L2 kernel: Root mount waiting for: usbus2 CAM Dec 21 18:12:24 FBSDG5L2 syslogd: last message repeated 1 times Dec 21 18:12:24 FBSDG5L2 kernel: bus_dmamem_alloc failed to align memory = properly. Dec 21 18:12:24 FBSDG5L2 syslogd: last message repeated 2 times Dec 21 18:12:24 FBSDG5L2 kernel: ugen0.2: = at usbus0 Dec 21 18:12:24 FBSDG5L2 kernel: uhub3 numa-domain 0 on uhub1 Dec 21 18:12:24 FBSDG5L2 kernel: uhub3: on usbus0 Dec 21 18:12:24 FBSDG5L2 kernel: bus_dmamem_alloc failed to align memory = properly. Dec 21 18:12:24 FBSDG5L2 kernel: uhub3: 1 port with 1 removable, self = powered Dec 21 18:12:24 FBSDG5L2 kernel: bus_dmamem_alloc failed to align memory = properly. Dec 21 18:12:24 FBSDG5L2 syslogd: last message repeated 1 times Dec 21 18:12:24 FBSDG5L2 kernel: ugen1.2: at usbus1 Dec 21 18:12:24 FBSDG5L2 kernel: uhub4 numa-domain 0 on uhub0 Dec 21 18:12:24 FBSDG5L2 kernel: uhub4: on usbus1 Dec 21 18:12:24 FBSDG5L2 kernel: bus_dmamem_alloc failed to align memory = properly. Dec 21 18:12:24 FBSDG5L2 kernel: Root mount waiting for: CAM Dec 21 18:12:24 FBSDG5L2 kernel: bus_dmamem_alloc failed to align memory = properly. Dec 21 18:12:24 FBSDG5L2 syslogd: last message repeated 2 times Dec 21 18:12:24 FBSDG5L2 kernel: ugen0.3: = at usbus0 Dec 21 18:12:24 FBSDG5L2 kernel: uhub5 numa-domain 0 on uhub3 Dec 21 18:12:24 FBSDG5L2 kernel: uhub5: on usbus0 Dec 21 18:12:24 FBSDG5L2 kernel: bus_dmamem_alloc failed to align memory = properly. Dec 21 18:12:24 FBSDG5L2 kernel: uhub4: 3 ports with 2 removable, bus = powered Dec 21 18:12:24 FBSDG5L2 kernel: uhub5: 3 ports with 3 removable, self = powered Dec 21 18:12:24 FBSDG5L2 kernel: bus_dmamem_alloc failed to align memory = properly. Dec 21 18:12:24 FBSDG5L2 syslogd: last message repeated 1 times Dec 21 18:12:24 FBSDG5L2 kernel: ugen1.3: at usbus1 Dec 21 18:12:24 FBSDG5L2 kernel: ukbd0 numa-domain 0 on uhub4 Dec 21 18:12:24 FBSDG5L2 kernel: ukbd0: on usbus1 Dec 21 18:12:24 FBSDG5L2 kernel: kbd: new array size 4 Dec 21 18:12:24 FBSDG5L2 kernel: kbd1 at ukbd0 Dec 21 18:12:24 FBSDG5L2 kernel: kbd1: ukbd0, generic (0), config:0x0, = flags:0x3d0000 Dec 21 18:12:24 FBSDG5L2 kernel: uhid0 numa-domain 0Root mount waiting = for: on uhub4 Dec 21 18:12:24 FBSDG5L2 kernel: CAM Dec 21 18:12:24 FBSDG5L2 kernel: uhid0: on usbus1 Dec 21 18:12:24 FBSDG5L2 kernel: bus_dmamem_alloc failed to align memory = properly. Dec 21 18:12:24 FBSDG5L2 syslogd: last message repeated 1 times Dec 21 18:12:24 FBSDG5L2 kernel: ugen0.4: = at usbus0 Dec 21 18:12:24 FBSDG5L2 kernel: uhid1 numa-domain 0 on uhub5 Dec 21 18:12:24 FBSDG5L2 kernel: uhid1: on usbus0 Dec 21 18:12:24 FBSDG5L2 kernel: Root mount waiting for: CAM Dec 21 18:12:24 FBSDG5L2 syslogd: last message repeated 4 times Dec 21 18:12:24 FBSDG5L2 kernel: GEOM: new disk cd0 Dec 21 18:12:24 FBSDG5L2 kernel: ada0 at ata2 bus 0 scbus0 target 0 lun = 0 Dec 21 18:12:24 FBSDG5L2 kernel: ada0: ATA8-ACS SATA 2.x device . . . (ada0 is the boot/root-file-system media.) For reference: # uname -apKU FreeBSD FBSDG5L2 13.0-CURRENT FreeBSD 13.0-CURRENT #20 r368820M: Sat Dec = 19 22:17:47 PST 2020 = root@FBSDFHUGE:/usr/obj/powerpc64vtsc_clang/powerpc.powerpc64/usr/src/powe= rpc.powerpc64/sys/GENERIC64vtsc-NODBG powerpc powerpc64 1300132 1300132 This machine will be busy building ports for a notable time ( presuming = that it operates well under -r368820 ). =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)