On Sun, Feb 24, 2013 at 10:44:19AM +0200, Alan McKinnon wrote:
> On 23/02/2013 19:18, Alan Mackenzie wrote:
> > Hi, Gentoo!
> > Just built the new kernel 3.7.9 last night, and it's one of these
> > "nothing works" situations.
Sorry, I was exaggerating here. I can work normally as long as I don't
try to use a peripheral, such as printer, audio, or scanner. My network
connection is working OK.
> > It seems the problems are with the device files, whose ownership is set
> > to "root root" (rather than, e.g., "root audio") and whose permissions
> > are set to crw------- (rather than the expected crw-rw----).
> > I'm still running udev-171-r10. This might well make a difference.
> > Needless to say, everything works under kernel 3.6.11. It would be nice
> > if there were some mistake in my kernel config.
> > Could somebody help me get this fixed, please.
> udev sets ownership and permissions on devices nodes, not the kernel.
> I'd guess your udev setup is incompatible with 3.7.* so let's start with
> the usual:
> What is your kernel config for the various TMPFS settings in the kernel?
> (grep TMPFS in .config)
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_TMPFS_XATTR=y
> What mount options apply to /dev?
On my (working) 3.6.11:
devtmpfs on /dev type devtmpfs
(rw,relatime,size=1988792k,nr_inodes=497198,mode=755)
On my (non-working) 3.7.9:
devtmpfs on /dev type devtmpfs
(rw,relatime,size=1988680k,nr_inodes=497170,mode=755)
> Contents of /etc/fstab?
(Leading comments have been removed.)
#/dev/BOOT /boot ext2 noauto,noatime 1 2
/dev/md6 / ext3 noatime 0 1
/dev/sda2 none swap sw 0 0
/dev/sdb2 none swap sw 0 0
#/dev/mapper/vg-usr /usr ext3 noatime 1 2
/dev/mapper/vg-usrportage /usr/portage ext2 noatime
1 2
/dev/mapper/vg-usrportagedistfiles /usr/portage/distfiles ext2 noatime
1 2
/dev/mapper/vg-usrsrc /usr/src ext3 noatime 1 2
/dev/mapper/vg-home /home ext3 noatime 1 2
/dev/mapper/vg-opt /opt ext3 noatime 1 2
/dev/mapper/vg-var /var ext3 noatime 1 2
/dev/mapper/vg-varspoolmail /var/spool/mail ext3 noatime
1 2
/dev/mapper/vg-varspoolnews /var/spool/news reiserfs noatime
1 2
/dev/mapper/vg-vardbpkg /var/db/pkg ext3 noatime
1 2
/dev/mapper/vg-iso /iso ext2 noatime 1 2
/dev/mapper/vg-old /old ext2 noatime 1 2
/dev/mapper/vg-vg--backup /backup ext2 noatime
1 2
/dev/cdrom /mnt/cdrom auto noauto,ro 0 0
/dev/fd0 /mnt/floppy auto noauto 0 0
# glibc 2.2 and above expects tmpfs to be mounted at /dev/shm for
# POSIX shared memory (shm_open, shm_unlink).
# (tmpfs is a dynamically expandable/shrinkable ramdisk, and will
# use almost no memory if not populated with files)
shm /dev/shm tmpfs nodev,nosuid,noexec
0 0
> USE flags that apply to udev?
[ebuild R ] sys-fs/udev-171-r10
USE="gudev hwdb introspection keymap rule_generator
-action_modeswitch -build -debug -edd (-extras) -floppy (-selinux) {-test}"
> --
> Alan McKinnon
> [email protected]
--
Alan Mackenzie (Nuremberg, Germany).
