Re: 2.6.24-rc2 displays incorrect DVD description

Re: 2.6.24-rc2 displays incorrect DVD description

[Andrew Morton]

(cc linux-ide)

On Tue, 13 Nov 2007 15:48:21 -0500 (EST) steve@tuxsoft.com wrote:

> For example, 2.6.23.1:
> 
> Linux version 2.6.23.1 (root@jupiter) (gcc version 4.2.2) #1 SMP PREEMPT
> Fri Oct 26 13:09:09 CDT 2007
> kernel: hdd: HP DVD Writer 1040d, ATAPI CD/DVD-ROM drive
> kernel: hdd: ATAPI 48X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache,
> UDMA(66)
> 
> and
> 
> 2.6.24-rc2:
> 
> Linux version 2.6.24-rc2 (ironman@jupiter) (gcc version 4.2.2) #1 SMP
> PREEMPT Fri Nov 9 20:41:37 CST 2007
> kernel: hdd: HP DVD Writer 1040d, ATAPI CD/DVD-ROM drive
> kernel: hdd: ATAPI 126X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache,
> UDMA(66)
> 
> The drive seems to work correctly, reading and writing just fine.  I just
> happened to notice this and thought I'd pass it along.
> 
> One other odd thing while looking through the logs, 2.6.23.1 has also
> reported the drive as follows:
> 
> Linux version 2.6.23.1 (root@jupiter) (gcc version 4.2.2) #1 SMP PREEMPT
> Fri Oct 26 13:09:09 CDT 2007
> kernel: hdd: HP DVD Writer 1040d, ATAPI CD/DVD-ROM drive
> kernel: hdd: ATAPI 32X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache,
> UDMA(66)
> 
> Any idea what is going on here?  It's being reported as 48X, 126X, and 32X.
> 

Re: 2.6.24-rc2 displays incorrect DVD description

[Ansgar Knappheide]

Andrew Morton schrieb:
> (cc linux-ide)
>
> On Tue, 13 Nov 2007 15:48:21 -0500 (EST) steve@tuxsoft.com wrote:
>
>   
>> For example, 2.6.23.1:
>>
>> Linux version 2.6.23.1 (root@jupiter) (gcc version 4.2.2) #1 SMP PREEMPT
>> Fri Oct 26 13:09:09 CDT 2007
>> kernel: hdd: HP DVD Writer 1040d, ATAPI CD/DVD-ROM drive
>> kernel: hdd: ATAPI 48X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache,
>> UDMA(66)
>>
>> and
>>
>> 2.6.24-rc2:
>>
>> Linux version 2.6.24-rc2 (ironman@jupiter) (gcc version 4.2.2) #1 SMP
>> PREEMPT Fri Nov 9 20:41:37 CST 2007
>> kernel: hdd: HP DVD Writer 1040d, ATAPI CD/DVD-ROM drive
>> kernel: hdd: ATAPI 126X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache,
>> UDMA(66)
>>
>> The drive seems to work correctly, reading and writing just fine.  I just
>> happened to notice this and thought I'd pass it along.
>>
>> One other odd thing while looking through the logs, 2.6.23.1 has also
>> reported the drive as follows:
>>
>> Linux version 2.6.23.1 (root@jupiter) (gcc version 4.2.2) #1 SMP PREEMPT
>> Fri Oct 26 13:09:09 CDT 2007
>> kernel: hdd: HP DVD Writer 1040d, ATAPI CD/DVD-ROM drive
>> kernel: hdd: ATAPI 32X DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache,
>> UDMA(66)
>>
>> Any idea what is going on here?  It's being reported as 48X, 126X, and 32X.
>>
>>     
>
>   
If it's only the speed value in the description, perhaps you had 
different medias (no medium, CD-ROM, DVD-VIDEO, CD-R, CD-RW, ...) on 
this bootups in your drive, I have seen this changed speed value 
depending on insert medium in the past on some Liteon or Samsung drive.

MBR
Ansgar Knappheide