[Bug 1245255] Re: IO-Error when trying to change the master password of a self encrypting ssd

2013-12-29 Thread Launchpad Bug Tracker
[Expired for hdparm (Ubuntu) because there has been no activity for 60 days.] ** Changed in: hdparm (Ubuntu) Status: Incomplete => Expired -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1245255

[Bug 1245255] Re: IO-Error when trying to change the master password of a self encrypting ssd

2013-10-30 Thread Kevin
I added libata.allow_tpm=1 to the kernel boot options which changed the output of cat /sys/module/libata/parameters/allow_tpm from 0 to 1 but gave me exactly the same error. I tried this with an updated version of ubuntu (13.10) from a system running on an usb stick. The ssd was unlocked but n

[Bug 1245255] Re: IO-Error when trying to change the master password of a self encrypting ssd

2013-10-29 Thread Seth Arnold
I'm sorry, I don't know the details of the ATA locking mechanism. (I've been content to simply rely upon my BIOS.) I would personally not try to change the password while a filesystem on the drive is mounted, though I cannot articulate why I would worry about it. If you can umount the filesystem,

[Bug 1245255] Re: IO-Error when trying to change the master password of a self encrypting ssd

2013-10-29 Thread Kevin
Thanks I will try this. Can I do it from a system running on the disk of which I want to change the master password without danger? If not, should the ssd be locked or unlocked when doing it? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubu

Re: [Bug 1245255] Re: IO-Error when trying to change the master password of a self encrypting ssd

2013-10-28 Thread Tyler Hicks
On 2013-10-28 22:46:02, Seth Arnold wrote: > (Though I'm a bit confused, that's in the libata code, and I don't see > libata loaded on my laptop...) It is built in: $ grep CONFIG_ATA= /boot/config-3.11.0-12-generic CONFIG_ATA=y $ cat /sys/module/libata/parameters/allow_tpm 0 -- You received th

[Bug 1245255] Re: IO-Error when trying to change the master password of a self encrypting ssd

2013-10-28 Thread Seth Arnold
I believe the Linux kernel's default configuration is to filter out these commands (so your webserver doesn't set a password for you :) -- see e.g. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/ata /libata-scsi.c?id=HEAD#n3043 (Though I'm a bit confused, that's in the

[Bug 1245255] Re: IO-Error when trying to change the master password of a self encrypting ssd

2013-10-28 Thread Seth Arnold
** Information type changed from Private Security to Public Security -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1245255 Title: IO-Error when trying to change the master password of a self encry