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[Satwik Bhandiwad <satwik.bhandiwad@xxxxxxxxx>]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

** Changed in: linux (Ubuntu)
     Assignee: (unassigned) => Satwik Bhandiwad (satwik-bhandiwad)

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https://bugs.launchpad.net/bugs/544548

Title:
  Kernel doesn't detect media in CD/DVD drives

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  After upgrading from Karmic to Lucid Beta 1, my CD/DVD drive stops
  working (it doesn't detects inserted media). When I insert a CD or
  DVD, the light flashes but nothing more happens.

  I have the following messages on dmesg:

  ...
  [    0.400909] pata_via 0000:00:0f.1: version 0.3.4
  [    0.401137] scsi0 : pata_via
  [    0.401214] scsi1 : pata_via
  [    0.402618] ata1: PATA max UDMA/133 cmd 0x1f0 ctl 0x3f6 bmdma 0xe400 irq 14
  [    0.402621] ata2: PATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0xe408 irq 15
  [    0.402721]   alloc irq_desc for 21 on node -1
  [    0.402723]   alloc kstat_irqs on node -1
  [    0.402729] pata_acpi 0000:00:0f.0: PCI INT B -> GSI 21 (level, low) -> IRQ 21
  [    0.402762] pata_acpi 0000:00:0f.0: PCI INT B disabled
  ...
  [    0.624914] ata1.00: ATAPI: PHILIPS SPD6000L1, L5P3, max UDMA/66
  [    0.653717] ata1.00: configured for UDMA/66
  [    0.711567] isapnp: No Plug & Play device found
  [    0.712423] scsi 0:0:0:0: CD-ROM            PHILIPS  SPD6000L1        L5P3 PQ: 0 ANSI: 5
  [    0.716534] sr0: scsi3-mmc drive: 48x/48x writer cd/rw xa/form2 cdda tray
  [    0.716537] Uniform CD-ROM driver Revision: 3.20
  [    0.716645] sr 0:0:0:0: Attached scsi CD-ROM sr0
  [    0.716704] sr 0:0:0:0: Attached scsi generic sg0 type 5
  ...
  [    1.026637] sata_via 0000:00:0f.0: version 2.4
  [    1.026648] sata_via 0000:00:0f.0: PCI INT B -> GSI 21 (level, low) -> IRQ 21
  [    1.026682] sata_via 0000:00:0f.0: routed to hard irq line 11
  ...
  [ 5446.000031] ata1: lost interrupt (Status 0x50)
  [ 5477.000035] ata1: lost interrupt (Status 0x51)
  [ 5482.000036] ata1.00: qc timeout (cmd 0xa0)
  [ 5482.000048] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
  [ 5482.000054] sr 0:0:0:0: CDB: Test Unit Ready: 00 00 00 00 00 00
  [ 5482.000070] ata1.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
  [ 5482.000071]          res 51/20:03:00:00:00/00:00:00:00:00/a0 Emask 0x5 (timeout)
  [ 5482.000075] ata1.00: status: { DRDY ERR }
  [ 5482.000100] ata1: soft resetting link
  [ 5482.216303] ata1.00: configured for UDMA/66
  [ 5487.216031] ata1.00: qc timeout (cmd 0xa0)
  [ 5487.216040] ata1.00: TEST_UNIT_READY failed (err_mask=0x5)
  [ 5487.216066] ata1: soft resetting link
  [ 5487.432316] ata1.00: configured for UDMA/66
  [ 5492.432047] ata1.00: qc timeout (cmd 0xa0)
  [ 5492.432056] ata1.00: TEST_UNIT_READY failed (err_mask=0x5)
  [ 5492.432063] ata1.00: limiting speed to UDMA/66:PIO3
  [ 5492.432089] ata1: soft resetting link
  [ 5492.644320] ata1.00: configured for UDMA/66
  [ 5497.644030] ata1.00: qc timeout (cmd 0xa0)
  [ 5497.644039] ata1.00: TEST_UNIT_READY failed (err_mask=0x5)
  [ 5497.644042] ata1.00: disabled
  [ 5497.644082] ata1: soft resetting link
  [ 5497.800096] ata1: EH complete
  ...

  It's the first time I have a non-working CD/DVD drive under Ubuntu
  (and I'm an Ubuntu user since Warty).

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