On 23/03/12 22:12, Robert Millan wrote:
> El 23 de març de 2012 2:14, Steven Chamberlain <ste...@pyro.eu.org> ha escrit:
>> On 20/02/12 14:44, Emmanuel Kasper wrote:
>>> mount -t ufs /dev/ad0s1 /mnt
>>> mount:permission denied ( are you root )

> Does this ever happen on boot? Then it's a bug.

Hi,

I was referring to debian-installer, while trying to rescue an
already-installed system.  If someone does this, it's quite likely their
filesystem was unmounted uncleanly and so they would hit this problem.

I doubt this problem could happen on boot.  Wouldn't the root fs get
mounted with -o ro anyway (which works), then fsck'd if necessary?

> Btw, what does dmesg say?  Could you tell the exact message?  Perhaps
> errno should be set to something else.

I don't recall seeing anything in dmesg.

The exact output on screen is what was shown in the ktrace in my last
mail, "mount: permission denied (are you root?)".  The mount executable
in d-i is provided by busybox.


But I also tried installing the 'real' mount executable from
kfreebsd-utils, which results in "mount: /dev/ada0s1 : Operation not
permitted" as shown:

>   2530 mount    CALL  nmount(0x804dd90,0x8,0<><invalid>0)
>   2530 mount    NAMI  "/mnt"
>   2530 mount    NAMI  "/dev/ada0s1"
>   2530 mount    RET   nmount -1 errno 1 Operation not permitted
>   2530 mount    CALL  write(0x2,0xbfbfb6d0,0x7)
>   2530 mount    GIO   fd 2 wrote 7 bytes
>        "mount: "
>   2530 mount    RET   write 7
>   2530 mount    CALL  write(0x2,0xbfbfb6e0,0xc)
>   2530 mount    GIO   fd 2 wrote 12 bytes
>        "/dev/ada0s1 "
>   2530 mount    RET   write 12/0xc
>   2530 mount    CALL  write(0x2,0x2818fb5b,0x2)
>   2530 mount    GIO   fd 2 wrote 2 bytes
>        ": "
>   2530 mount    RET   write 2
>   2530 mount    CALL  write(0x2,0xbfbfb700,0x18)
>   2530 mount    GIO   fd 2 wrote 24 bytes
>        "Operation not permitted
>        "

Regards,
-- 
Steven Chamberlain
ste...@pyro.eu.org


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