[pso] IRQL_NOT_LESS_OR_EQUAL

[Bercea Gabriel]

Ok.
Good luck debugging then


Cu respect,
Bercea Gabriel 342 C2
Mobile contact:  (+40)0740049634
eMail: gamitech at gmail.com
Blog: http://gamitech.blogspot.com/
Linkedin: http://www.linkedin.com/in/gamitech




-----Original Message-----
From: pso-bounces at cursuri.cs.pub.ro [mailto:pso-bounces at cursuri.cs.pub.ro] On Behalf Of Matei Gruber
Sent: Monday, April 20, 2009 8:11 PM
To: Proiectarea Sistemelor de Operare
Subject: Re: [pso] IRQL_NOT_LESS_OR_EQUAL

Pentru că sunt timid.

2009/4/20 Bercea Gabriel <gamitech at gmail.com>:
> Irp->AssociatedIrp.SystemBuffer e nonpaged.
>
> Da Razvan are dreptate la [2] m-am referit.
>
> De ce te sfiesti in continuare sa arati !analyze -v ?
>
>
> Bercea Gabriel
> Mobile contact: (+40) 0740049634
> Blog: http://gamitech.blogspot.com/
> Linkedin: http://www.linkedin.com/in/gamitech
>
>
>
> -----Original Message-----
> From: pso-bounces at cursuri.cs.pub.ro [mailto:pso-bounces at cursuri.cs.pub.ro]
> On Behalf Of Razvan Deaconescu
> Sent: Sunday, April 19, 2009 11:18 PM
> To: Proiectarea Sistemelor de Operare
> Subject: Re: [pso] IRQL_NOT_LESS_OR_EQUAL
>
> On Sun, 2009-04-19 at 22:52 +0300, Matei Gruber wrote:
>> Multumesc Gabriel.
>>
>> 1. Abordarea driverului meu a fost sa marchez IRP-urile ca pending si
>> sa le completez pe masura ce primesc data dintr-un DpcForIsr, pornit
>> din ISR. Dat fiind ca din DPC nu pot accesa memorie paginata, (care
>> cred ca este cazul bufferelor asociate IRP), n-am cum sa completez
>> bufferele. Este viabila o astfel de abordare?
>
> Dar de ce lucrezi direct cu bufferele asociate IRP-urilor. De ce nu
> folosesti un set de buffere circulare asociate driver-ului? Asa cum se
> intampla si in exemplul indicat in enunt[1]. Doua buffer per dispozitiv
> (unul de citire si unul de scriere). In acest fel:
>
>          read/write              ISR
>              |                    |
>              |                    |
> IRP buffer <----> kernel buffer <----> hardware buffer (FIFO)
>
> <snip>
>> 3. Am dat google dupa DIRQL operations si n-am gasit nimic.
>
> Cred ca Gabi se referea la ce operatii poti sa faci in context
> intrerupere[2].
>
> Razvan
>
> [1] http://cs.pub.ro/%7Epso/wiki/images/5/55/ExModuleWinCase.zip
> [2] http://www.osronline.com/DDKx/kmarch/intrupts_0kh3.htm
>
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