It doesn't need updating, the error you're seeing is: "DMA: Out of SW-IOMMU space for 65536 bytes at device 0000:09:00.1"
Which I reported upstream here: http://thread.gmane.org/gmane.linux.kernel.mmc/32629 but which didn't get any answers. You can test the work-around there though. Cheers ----- Original Message ----- > On my Fedora 22 up to date (kernel 4.0.5-300.fc22.x86_64), when I > insert a SSD card I get this warning: > > giu 30 01:03:27 dodo.home.solinos.it kernel: mmc0: new high speed SDHC card > > at address 59b4 > > giu 30 01:03:27 dodo.home.solinos.it kernel: Driver 'mmcblk' needs updating > > - please use bus_type methods > > giu 30 01:03:27 dodo.home.solinos.it kernel: mmcblk0: mmc0:59b4 00000 14.9 > > GiB > > And after some time (dd if=img of=/dev/mmcblk0) I get many kernel error > like these: > > > giu 30 01:32:14 dodo.home.solinos.it kernel: ------------[ cut here > > ]------------ > > giu 30 01:32:14 dodo.home.solinos.it kernel: WARNING: CPU: 0 PID: 0 at > > drivers/mmc/host/sdhci.c:857 sdhci_send_command+0xa73/0xc50 [sd > > giu 30 01:32:14 dodo.home.solinos.it kernel: Modules linked in: mmc_block > > bnep bluetooth fuse xt_CHECKSUM iptable_mangle ipt_MASQUERAD > > giu 30 01:32:14 dodo.home.solinos.it kernel: parport_pc shpchp parport > > mei_me tpm mei dell_smo8800 nfsd auth_rpcgss nfs_acl lockd gra > > giu 30 01:32:14 dodo.home.solinos.it kernel: CPU: 0 PID: 0 Comm: swapper/0 > > Tainted: G W 4.0.5-300.fc22.x86_64 #1 > > giu 30 01:32:14 dodo.home.solinos.it kernel: Hardware name: Dell Inc. > > Latitude E5520/03PH4G, BIOS A05 11/30/2011 > > giu 30 01:32:14 dodo.home.solinos.it kernel: 0000000000000000 > > c244236c9fe8f15d ffff88022ec03d08 ffffffff817834f4 > > giu 30 01:32:14 dodo.home.solinos.it kernel: 0000000000000000 > > 0000000000000000 ffff88022ec03d48 ffffffff8109c66a > > giu 30 01:32:14 dodo.home.solinos.it kernel: ffff880224e7c4c0 > > ffff880224e7c4c0 ffff8801f12910f0 ffff8801f1291170 > > giu 30 01:32:14 dodo.home.solinos.it kernel: Call Trace: > > giu 30 01:32:14 dodo.home.solinos.it kernel: <IRQ> [<ffffffff817834f4>] > > dump_stack+0x45/0x57 > > ..... > > > giu 30 00:55:49 dodo.home.solinos.it kernel: DMA: Out of SW-IOMMU space for > > 65536 bytes at device 0000:09:00.1 > > giu 30 00:55:49 dodo.home.solinos.it kernel: DMA: Out of SW-IOMMU space for > > 65536 bytes at device 0000:09:00.1 > > giu 30 00:55:49 dodo.home.solinos.it kernel: ------------[ cut here > > ]------------ > > giu 30 00:55:49 dodo.home.solinos.it kernel: WARNING: CPU: 0 PID: 10598 at > > drivers/mmc/host/sdhci.c:857 sdhci_send_command+0xa73/0xc50 > > giu 30 00:55:49 dodo.home.solinos.it kernel: Modules linked in: uas > > usb_storage vfat fat mmc_block bnep bluetooth fuse xt_CHECKSUM ipt > > giu 30 00:55:49 dodo.home.solinos.it kernel: mei_me parport_pc wmi > > i2c_i801 mei tpm_tis parport tpm shpchp dell_smo8800 nfsd auth_rpc > > giu 30 00:55:49 dodo.home.solinos.it kernel: CPU: 0 PID: 10598 Comm: > > mmcqd/0 Tainted: G W 4.0.5-300.fc22.x86_64 #1 > > giu 30 00:55:49 dodo.home.solinos.it kernel: Hardware name: Dell Inc. > > Latitude E5520/03PH4G, BIOS A05 11/30/2011 > > giu 30 00:55:49 dodo.home.solinos.it kernel: 0000000000000000 > > 00000000f78a99be ffff88022ec03d08 ffffffff817834f4 > > giu 30 00:55:49 dodo.home.solinos.it kernel: 0000000000000000 > > 0000000000000000 ffff88022ec03d48 ffffffff8109c66a > > giu 30 00:55:49 dodo.home.solinos.it kernel: ffff8802227de4c0 > > ffff8802227de4c0 ffff88021776b290 ffff88021776b310 > > giu 30 00:55:49 dodo.home.solinos.it kernel: Call Trace: > > The card written is unusable and I must reboot my notebook to use it > agains. > > This problem is new for me (Update from f21 to 22), I have write with > this NB many card SD in the past. > If I usa another notebook with F21 the problem not happens and the card > is written good. > > Some one have some suggest? > > Many thanks > > -- > Dario Lesca > (inviato dal mio Linux Fedora 22 con Gnome 3.16) > -- > devel mailing list > devel@lists.fedoraproject.org > https://admin.fedoraproject.org/mailman/listinfo/devel > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct -- devel mailing list devel@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct