on 29/08/2011 19:45 Marcel Moolenaar said the following:
>
> On Aug 29, 2011, at 1:21 AM, Andriy Gapon wrote:
>
>> on 27/08/2011 18:16 Marcel Moolenaar said the following:
>>>
>>> On Aug 26, 2011, at 2:07 PM, Andriy Gapon wrote:
>>>
>>>>
>>>> It seems that after the introduction of the mountroot scripting language a
>>>> user
>>>> now has exactly one chance to try to specify a correct root device at the
>>>> mountroot prompt. I am not sure that that is convenient/enough.
>>>
>>> This is no different from before.
>>
>> Are you sure?
>> I remember trying multiple (incorrect) possibilities at the prompt and not
>> getting the panic. But I know that sometimes I have cases of "false
>> memories",
>> so _I_ am not sure.
>
> I'm sure now that we're both not sure :-)
>
> It's possible the failure mode varied by how the root mount
> failed...
Judging from the code before r214006 it shouldn't have panic-ed upon such a
failure:
static int
vfs_mountroot_ask(void)
{
char name[128];
char *mountfrom;
char *options;
for(;;) {
...
gets(name, sizeof(name), 1);
if (name[0] == '\0')
return (1);
if (name[0] == '?') {
printf("\nList of GEOM managed disk devices:\n ");
g_dev_print();
continue;
}
if (!vfs_mountroot_try(name, NULL))
return (0);
}
}
So this "endless" loop was exited only if vfs_mountroot_try() returned success
(error == 0) or if a user entered an empty string.
--
Andriy Gapon
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