Garrett D'Amore wrote:
> On Tue, 2007-09-11 at 17:47 +0200, [EMAIL PROTECTED] wrote:
>
>> Garrett D'Amore wrote:
>>
>>> On Tue, 2007-09-11 at 10:22 -0400, Daniel Corbe wrote:
>>>
>>>
>>>> You guys are extremely patient with answering these questions, thank
>>>> you.
>>>>
>>>>
>>>> I've run into another issue.
>>>>
>>>>
>>>> Running add_drv causes my system to reboot. I assume it's something
>>>> I'm doing wrong. I figured it had something to do with either the
>>>> attach or getinfo procedures in my driver, and in fact the getinfo
>>>> procedure is using an uninitialized pointer.
>>>>
>>>>
>>> I don't think getinfo() is the problem... its more likely to be
>>> attach(). (getinfo() is normally only called as part of Dynamic
>>> Reconfiguration operation, IIRC.)
>>>
>>> -- Garrett
>>>
>>>
>> Actually, getinfo() is called twice on open(2). Try
>>
>> # dtrace -n 'pts_devinfo:entry{stack();}'
>>
>> and then open a new terminal window. The pts_devinfo() routine is the
>> getinfo for the pseudo terminal slave
>> driver (also a streams driver).
>>
>
> Is that true for all drivers, or just clone devices? I confess I've not
> looked at getinfo() much lately.. most of the NIC drivers these days
> don't need a getinfo(), since they use qassociate() to provide the
> mapping between dev_info_t and streams.
>
> -- Garrett
>
Yes. True for all drivers that use cb_ops. See getinfo(9e) and
ddi_no_info(9f). And
I thought pts was cloned, but glancing at the source code, I guess not!?
max
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