On Sat, Oct 16, 2004, Arne Schwabe wrote: > "Ralf S. Engelschall" <rse_at_engelschall.com> writes: > > > Under latest RELENG_5 I'm experiencing since recently (about 2-4 weeks I > > think) "permission denied" errors under the Linux ABI on write-access to > > e.g. /dev/null or other devices under /dev: > > > > | $ id > > | uid=10000(rse) gid=10000(rse) groups=10000(rse),5(operator),2001(en) > > | $ ls -l /dev/null > > | crw-rw-rw- 1 root wheel 2, 2 Oct 15 21:39 /dev/null > > | $ echo foo >/dev/null > > | $ ls -l /compat/linux/bin/dev/null > > | ls: /compat/linux/bin/dev/null: No such file or directory > > | $ /compat/linux/bin/bash > > | bash bash2 > > | $ /compat/linux/bin/bash > > | $ ls -l /dev/null > > | crw-rw-rw- 1 root wheel 2, 2 Oct 15 21:40 /dev/null > > | $ echo foo >/dev/null > > | bash: /dev/null: Permission denied > > | $ > > > > Has anybody an idea where to search? There were no changes to devfs > > recently and the recent changes to the Linuxulator seemed harmless to me > > at the first glance... > > is there a /usr/compat/linux/dev directory? If there is try to remove > it, so that it does not shadow the /dev/ direcotry Yes, I have a /compat/linux/dev directory: | # ls -l /compat/linux/dev/ | total 0 | brw-r--r-- 1 root wheel 0, 0x00010002 Sep 17 22:05 had | brw-r--r-- 1 root wheel 0, 0x0001000a Sep 17 22:05 hdb | lrwxr-xr-x 1 root wheel 22 Sep 17 22:05 tty0 -> /compat/linux/dev/tty1 | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty1 -> /dev/ttyv0 | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty10 -> /dev/ttyv9 | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty11 -> /dev/ttyva | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty12 -> /dev/ttyvb | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty2 -> /dev/ttyv1 | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty3 -> /dev/ttyv2 | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty4 -> /dev/ttyv3 | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty5 -> /dev/ttyv4 | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty6 -> /dev/ttyv5 | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty7 -> /dev/ttyv6 | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty8 -> /dev/ttyv7 | lrwxr-xr-x 1 root wheel 10 Sep 17 22:05 tty9 -> /dev/ttyv8 And yes, your guess is right: once I remove it, the problem with my "echo foo >/dev/null" or running "acroread" wents away. But the /compat/linux/dev stuff is created by the "vmware3" port with its... | _at_exec mkdir -p %%LINUXBASE%%/dev;for n in 0 1 2 3 4 5 6 7 8 9; do ln -s /dev/ttyv$n %%LINUXBASE%%/dev/tty$n;done | _at_exec ln -s /dev/ttyva %%LINUXBASE%%/dev/tty10 | _at_exec ln -s /dev/ttyvb %%LINUXBASE%%/dev/tty11 | _at_exec mknod %%LINUXBASE%%/dev/had b 0 0x00010002 | _at_exec mknod %%LINUXBASE%%/dev/hdb b 0 0x0001000a ...and unfortunately without at least the /compat/linux/dev/ttyv0 VMWare ultimately fails on startup. So, for running VMWare one really needs this directory. Additionally, the overlaying of /dev with /compat/linux/dev as the "vmware3" port does, definetely _worked_ until about 2 weeks ago. So, the question is what broke it? Ralf S. Engelschall rse_at_engelschall.com www.engelschall.comReceived on Sat Oct 16 2004 - 15:15:56 UTC
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