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On 10/03/14 23:00, Mike Gilbert wrote: |
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>On Fri, Oct 3, 2014 at 10:22 PM, Joseph <syscon780@×××××.com> wrote: |
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>> I'm getting an error message during emerge: |
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>> * configure has detected that the sem_open function is broken. |
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>> * Please ensure that /dev/shm is mounted as a tmpfs with mode 1777. |
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>> * ERROR: dev-lang/python-3.3.5-r1::gentoo failed (configure phase): |
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>> |
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>> my /dev/shm is mounted as drwxr-xr-x 17 root root 4020 Oct 3 08:57 |
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>> shm |
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>> |
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>> and it should be: |
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>> drwxrwxrwt 2 root root 100 Sep 29 09:25 shm |
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>> |
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>> I've already change in fstab: |
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>> from: |
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>> shm /dev/shm devtmpfs nodev,nosuid,noexec |
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>> 0 0 |
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>> |
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>> to: |
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>> shm /dev/shm tmpfs |
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>> defaults,nodev,nosuid,mode=1777 0 0 |
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>> |
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>> Is it OK to run: |
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>> umount shm |
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>> mount shm |
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>> |
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>> This is a remount system, so I want to make sure I'm not making a mistake. |
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>> |
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> |
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>Yes, that should be fairly safe to run. The only risk is if you have |
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>some application running which has files open on it; but umount should |
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>give you an error in that case. |
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> |
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>Also, you can/should remove that fstab entry entirely once you have |
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>remounted it; both openrc and systemd will automatically mount |
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>/dev/shm with proper permissions if it is missing from fstab. |
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|
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Will it? |
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In my kernel confg I have: |
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|
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grep CONFIG_DEVTMPFS /usr/src/linux/.config |
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CONFIG_DEVTMPFS=y |
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# CONFIG_DEVTMPFS_MOUNT is not set |
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|
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should I set "CONFIG_DEVTMPFS_MOUNT=y" |
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|
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-- |
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Joseph |
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