Re: [gentoo-user] Re: dir is rwx but can't create file

[Andrey Vul <andrey.vul@gmail.com>]

On Fri, Jul 30, 2010 at 01:34, Andrey Vul <andrey.vul@gmail.com> wrote:
> On Thu, Jul 29, 2010 at 08:31, Alex Schuster <wonko@wonkology.org> wrote:
>> walt writes:
>>
>>> On 07/28/2010 01:20 PM, Andrey Vul wrote:
>>> > Creating files in /tmp, /etc, /lib32, and /var return ENOENT (touch
>>> > /tmp/foo =>  strerror(ENOENT)).
>>> > However, this is done as root and the dirs are marked 755 root:root.
>>
>> Are all these directories located on the root file system?
>>
>>> Is the sticky bit set on /tmp?
>>>
>>> drwxrwxrwt  26 root root 36864 2010-07-29 04:15 tmp/
>>>           ^
>>
>> Well, it set or not, this would not prevent the creation of files.
>>
>> I have no idea what's going on here. I'd force a fsck (touch /forcefsck;
>> reboot) to make sure it's no file system problem. And what about a live-
>> cd, does the problem happen then, too?
>>
>
> fsck -f followed by use of USB-SATA bridge seems to work. However, my
> laptop just died, so I can't really test it on the laptop.
>

Quoting fsck.jfs : "Incorrect link counts have been detected. Will correct."
Apparently, some subtle data corruption was invisible by fsck -p but
noticed by fsck -f.
A corrupt inode does explain why the directory was somehow 555 in behavior.