Re: Help with IBM T41 (CDRW)

Kent Hauser <[email protected]>
Newsgroups gmane.os.freebsd.devel.mobile
Message-ID <[email protected]>
Thanks for the pointers. After your note that it should work (which is useful 
*and* encouraging), let me provide more info. I notice that the CD is probed 
with  PIO4, not UDMA33.

First off, everything seems to work correctly correctly when I reboot under 
XP.

Under -CURRENT, I am able to mount a CD until I run "burncd". Then whenever I 
try to mount a CD, I get the "REQUEST_SENSE data overrun error" listed below. 
This is for just written & commercial CDs. The CDs I burn via "burncd" are 
readable under XP.

Any thoughts?


Under -CURRENT, the probe & error messages are as follows:

Jun  1 13:36:32 kent kernel: ad0: 35293MB <HTS548040M9AT00> [71707/16/63] at 
ata0-master UDMA100
Jun  1 13:36:32 kent kernel: ata1-slave: FAILURE - ATAPI_IDENTIFY no interrupt
Jun  1 13:36:32 kent kernel: ata1-slave: FAILURE - ATAPI_IDENTIFY no interrupt
Jun  1 13:36:32 kent kernel: acd0: CDRW <UJDA755zDVD/CDRW> at ata1-master PIO4
....

Jun  1 13:36:48 kent kernel: cd9660: RockRidge Extension
Jun  1 13:37:34 kent kernel: cd9660: RockRidge Extension
Jun  1 13:43:17 kent kernel: cd9660: RockRidge Extension
Jun  1 13:44:53 kent kernel: acd0: WARNING - REQUEST_SENSE read data overrun 
18>0
Jun  1 13:45:22 kent last message repeated 58 times



On Tuesday 01 June 2004 11:23 am, Peter Schuller wrote:
> > I'm running -CURRENT with some success -- right now the CDRW & suspend
> > aren't working right. But wireless is great (via NDIS0). I'm also not
> > sure if the ltmdm port should work. (It doesn't at present).
>
> I'm curious as to what the problem is with the CDRW. I have had no issues
> whatsoever on my T41p.
>
> As for suspend/resume, it works for me when running either with APM (and
> ACPI disabled) or with neither APM nor ACPI. I regularly try it with ACPI
> though when I see updates being made to this area. But for now you might
> want to try disabling ACPI.
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