Hi Geert-san, > From: Geert Uytterhoeven, Sent: Wednesday, October 2, 2019 5:32 PM > > Hi Shimoda-san, Wolfram, > > On Wed, Oct 2, 2019 at 10:26 AM Yoshihiro Shimoda > <yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote: > > > From: Wolfram Sang, Sent: Wednesday, October 2, 2019 5:16 PM > > <snip> > > > Tested on a R-Car H2: it does make the error message go away and the > > > MMCIF device acts normal during boot. Can't enter userspace currently > > > with v5.4-rc1 but this is unrelated to this patch and MMCIF. Looks like a > > > configuration thing on my side, so I will still give: > > > > I also should have reported this though, my environment (R-Car H2 + NFS + > > buildroot on v5.4-rc1 with shmobile_defconfig) also has a similar issue > > like the following: > > > > [ 3.573488] VFS: Mounted root (nfs filesystem) on device 0:16. > > [ 3.579869] devtmpfs: mounted > > [ 3.588014] Freeing unused kernel memory: 1024K > > [ 3.651771] Run /sbin/init as init process > > Starting syslogd: OK > > Starting klogd: OK > > Initializing random number generator... [ 4.073629] random: dd: uninitialized urandom read (512 bytes read) > > urandom start: failed. > > done. > > Starting network: ip: OVERRUN: Bad address > > ip: OVERRUN: Bad address > > ip: OVERRUN: Bad address > > Please cherry-pick the top commit from renesas-devel: > 6e47c841329eb9b0 ("ARM: fix __get_user_check() in case uaccess_* calls > are not inlined") Thank you for the information. This commit could fix the issue on my environment. Best regards, Yoshihiro Shimoda