[Bug 58509] Re: /dev/null permission

[Andrew Mitchell]

** Changed in: Ubuntu
Sourcepackagename: None = udev

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[Bug 58509] Re: /dev/null permission

[Scott James Remnant]

PLEASE IGNORE THE PREVIOUS COMMENT!

DO NOT ALTER THE PERMISSION OF /lib/udev/devices/null

IF YOU HAVE DONE SO, PLEASE PUT IT BACK TO 0600

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[Bug 58509] Re: /dev/null permission

[Scott James Remnant]

Have just read this bug properly -- and I note all the problems are with
dapper.  This problem has been fixed and should not occur in edgy.

** Changed in: udev (Ubuntu)
   Status: Needs Info = Fix Released

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[Bug 58509] Re: /dev/null permission

[Scott James Remnant]

Ok, assuming you've undone the damage to /lib/udev/devices/null, could
you please reboot your machine until you have a /dev/null with only 0600
permissions.

Could you note whether it takes any longer to boot than usual?

From that boot, please attach /var/log/udev

Also please run udevtest /class/mem/null

** Changed in: udev (Ubuntu)
   Importance: Undecided = High
 Assignee: (unassigned) = Scott James Remnant
   Status: Confirmed = Needs Info

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[Bug 58509] Re: [Bug 58509] Re: /dev/null permission

[danielpf]

I have found that the problem lies in the udev package, which has
/lib/udev/devices/null
set to the wrong permission.
Just change the permission of this file  to a+rw  and at the next boot
/dev/null
will have the same permission.

Daniel

On 9/20/06, Jimmy the shoe [EMAIL PROTECTED] wrote:

 I can also confirm on kubuntu dapper. Permissions also get reset after
 reboot like Michael Hirsch. Also, I checked
 /etc/udev/rules.d/40-permissions.rules and have 'KERNEL==null,
 MODE=0666' as it should be.

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[Bug 58509] Re: /dev/null permission

[Jimmy the shoe]

I can also confirm on kubuntu dapper. Permissions also get reset after
reboot like Michael Hirsch. Also, I checked
/etc/udev/rules.d/40-permissions.rules and have 'KERNEL==null,
MODE=0666' as it should be.

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[Bug 58509] Re: /dev/null permission

[danielpf]

Just for those meeting this problem, here is my procedure to login. 
A better one would be to find which script sets /dev/null to crw-- just 
after boot!

After booting, when the login screen appears, I type Alt+Ctrl+F1 to get a 
console.
Then I login as user and:

$ sudo chmod a+rw /dev/null

Since I have a non us keyboard I have to remember the position for + and
/ on a us keyboard.

Then I return to the X screen with Alt+Ctrl+F7 and can login.

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[Bug 58509] Re: /dev/null permission

[Michael Hirsch]

This happens to me, too.  This is pretty critical because the permission
seem to get reset to 600 after a reboot, so X never starts up
successfully.

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[Bug 58509] Re: /dev/null permission

[Micah Cowan]

RawSewage_ on #ubuntu+1 was having this problem, so I'll Confirm it.

** Changed in: Ubuntu
   Status: Unconfirmed = Confirmed

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