various issues/questions

Kernel 2.4.0-prerelease through 2.4.1-pre2

I recently got a Pioneer 105S 16x slot loading DVD drive and have been getting lots os the following messages when playing dvds and cdroms....

hdb: DSC timeout
hdb: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error }
hdb: cdrom_decode_status: error=0xb0
hdb: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error }
hdb: cdrom_decode_status: error=0xb0
hdb: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error }
hdb: cdrom_decode_status: error=0xb0
hdb: DMA disabled
hdb: ATAPI reset complete
hdb: cdrom_read_intr: data underrun (4 blocks)
end_request: I/O error, dev 03:40 (hdb), sector 1748
hdb: tray open
end_request: I/O error, dev 03:40 (hdb), sector 1748
hdb: tray open
end_request: I/O error, dev 03:40 (hdb), sector 1748
hdb: tray open
end_request: I/O error, dev 03:40 (hdb), sector 1748
hdb: tray open
end_request: I/O error, dev 03:40 (hdb), sector 2448
hdb: tray open
end_request: I/O error, dev 03:40 (hdb), sector 204

Is this possibly specific to slot loading drives? I didn't have problems with my old Creative 2x dvd drive.

I also saw the following but don;t know what was happening on my machine at the time.

__alloc_pages: 3-order allocation failed.
__alloc_pages: 3-order allocation failed.
__alloc_pages: 3-order allocation failed.
__alloc_pages: 3-order allocation failed.
__alloc_pages: 3-order allocation failed.
__alloc_pages: 3-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 2-order allocation failed.
__alloc_pages: 3-order allocation failed.

=====================================================================
Mohammad A. Haque                              http://www.haque.net/ 
                                               [email protected]

  "Alcohol and calculus don't mix.             Project Lead
   Don't drink and derive." --Unknown          http://wm.themes.org/
                                               [email protected]
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