Le mer 22/10/2003 à 14:55, [EMAIL PROTECTED] a écrit : > On 22 Oct 2003, Teletchéa Stéphane wrote: > > > Le mer 22/10/2003 à 13:59, Guillaume Cottenceau a écrit : > > > Hi, > > > > > > > Be carefull ! > > You misread my post : i'm saying UNTIL 9.1, i need to desactivate DMA > > for my LG cdrom/burner model HL-DT-ST CD-RW GCE-8240B. > > > > I didn't test it already with 9.2 ... > Yes, but even until 9.1, you didn't fry the drive did you?
No, you're correct. > DMA is not supported on the CRD-8400B, it is in the kernel nodma blacklist > (drive_list_entry drive_blacklist). IIRC during the first 2.4.x kernels it > was not in the list, and people got dma errors, but no drive damage at > all. I think you can only turn on dma on this drive with hdparm -d1 -X34 > /dev/hd? I did a fresh install for 8.1 and 9.0 (disk failure for the second -backups are my friends-) and DMA was activated on my drive, causing it to dma_errors 'DriveSeek Error ... blabla'. I had to manually disable it by adding a line in /etc/sysconfig/hardhdc telling explicitly DMA to be turned off. Are you sure it is blacklisted ? > I assume this drive is still in the blacklist, although since klama is > down i cannot check 9.2 kernel source at the moment. Wrong for 8.1, 8.2, 9.0 and 9.1, why would it be like this for 9.2 ? > Also, it might be worthwhile to check if these guys did do a firmware > upgrade recently (or in any case what firmware version they use, perhaps > a flash can even revive the broken drive). I didn't. Stef > d. --
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