CD/DVD reading problem

[Fred Henry Jr.]

On Wed, Nov 3, 2010 at 4:58 PM, Alan Dacey <grokit at ajinfosearch.com> wrote:

 Funny, I was having the same problem but it went away with my upgrade to
> 10.10. It was happening on only one machine out of four in my house but of
> course the one that got hit was mine :/
>
> From what I gathered researching it for six months is that it is a
> (driver?) regression in the kernel. When you search dmesg what do you get?
> Use "dmesg | grep ata#" a couple of times without the quotes and replacing
> the # sign with numbers 1 through how many sata/ata prots you have. I needed
> 1 through 8.
>
> You will start seeing the name(s) of your hard drive(s), like this:
>
> $ dmesg | grep ata1
>
> [ 1.662096] ata1: SATA max UDMA/133 cmd 0x9f0 ctl 0xbf0 bmdma 0xd800 irq 21
>
> [ 2.150015] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>
> [ 2.190217] ata1.00: ATA-8: SAMSUNG HD501LJ, CR100-12, max UDMA7
>
> . . . snip . . .
>
> [62672.071473] ata1.00: configured for UDMA/133
>
> Then you may see nothing attached like this:
>
> $ dmesg | grep ata4
>
> [ 1.662315] ata4: SATA max UDMA/133 cmd 0x960 ctl 0xb60 bmdma 0xc408 irq 20
>
> [ 3.070009] ata4: SATA link down (SStatus 0 SControl 300)
>
> [47911.061261] ata4: SATA link down (SStatus 0 SControl 300)
>
> [62663.710023] ata4: SATA link down (SStatus 0 SControl 300)
>
>
the above is what I have too.  Confirmed.

My relevant kern.log:

Nov  2 12:32:02 hector kernel: [    2.870146] ata2.00: ATAPI: TSSTcorp
DVD+/-RW TS-H553A, DE04, max UDMA/33
Nov  2 12:32:02 hector kernel: [    2.870151] ata2.00: applying bridge
limits
Nov  2 12:32:02 hector kernel: [    2.930135] ata2.00: configured for
UDMA/33
Nov  2 12:58:53 hector kernel: [    2.370330] ata2: SATA max UDMA/133 cmd
0xfe20 ctl 0xfe30 bmdma 0xfec8 irq 20
Nov  2 12:58:53 hector kernel: [    3.230063] ata2.00: SATA link up 1.5 Gbps
(SStatus 113 SControl 300)
Nov  2 12:58:53 hector kernel: [    3.230078] ata2.01: SATA link down
(SStatus 0 SControl 300)
Nov  2 12:58:53 hector kernel: [    3.230091] ata2.01: link offline,
clearing class 3 to NONE
Nov  2 12:58:53 hector kernel: [    3.270159] ata2.00: ATAPI: TSSTcorp
DVD+/-RW TS-H553A, DE04, max UDMA/33
Nov  2 12:58:53 hector kernel: [    3.270164] ata2.00: applying bridge
limits
Nov  2 12:58:53 hector kernel: [    3.330133] ata2.00: configured for
UDMA/33
Nov  2 13:18:49 hector kernel: [ 1215.130066] ata2.00: exception Emask 0x10
SAct 0x0 SErr 0x4050002 action 0xe frozen
Nov  2 13:18:49 hector kernel: [ 1215.130073] ata2.00: ST_FIRST:
!(DRQ|ERR|DF)
Nov  2 13:18:49 hector kernel: [ 1215.130078] ata2.00: SError: { RecovComm
PHYRdyChg CommWake DevExch }
Nov  2 13:18:49 hector kernel: [ 1215.130099] ata2.00: cmd
a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
Nov  2 13:18:49 hector kernel: [ 1215.130114] ata2.00: hard resetting link
Nov  2 13:18:49 hector kernel: [ 1215.880034] ata2.01: hard resetting link
Nov  2 13:18:50 hector kernel: [ 1216.390074] ata2.00: SATA link up 1.5 Gbps
(SStatus 113 SControl 300)
Nov  2 13:18:50 hector kernel: [ 1216.390093] ata2.01: SATA link down
(SStatus 0 SControl 300)
Nov  2 13:18:50 hector kernel: [ 1216.390106] ata2.01: link offline,
clearing class 3 to NONE
Nov  2 13:18:50 hector kernel: [ 1216.490143] ata2.00: configured for
UDMA/33
Nov  2 13:18:50 hector kernel: [ 1216.490719] ata2: EH complete

The machine is a Dell Dimension E520.  The drive is a Toshiba I believe:


TSSTcorp DVD+/-RW TS-H553A

I won't flood you with output of lshw except for:

    description: Mini Tower Computer
    product: Dell DM061
    vendor: Dell Inc.
    serial: 73K16C1
    width: 64 bits
    capabilities: smbios-2.3 dmi-2.3 vsyscall64 vsyscall32
    configuration: administrator_password=enabled boot=normal
chassis=mini-tower power-on_password=enabled
uuid=44454C4C-3300-104B-8031-B7C04F364331
  *-core
       description: Motherboard
       product: 0WG864
       vendor: Dell Inc.
       physical id: 0
       serial: ..CN481116AR00F8.
     *-firmware
          description: BIOS
          vendor: Dell Inc.
          physical id: 0
          version: 2.4.0 (05/24/2007)
          size: 64KiB
          capacity: 448KiB
          capabilities: pci pnp apm upgrade shadowing cdboot bootselect edd
int13floppytoshiba int5printscreen int9keyboard int14serial int17printer
acpi usb ls120boot biosbootspecification netboot


Upgraded to natty narwhal yesterday.  kernel: 2.6.36-1-generic

I used to always custom compile my kernels, but I have gotten lazy with the
passing years.  Maybe I should try a custom build.


Thanks much for the insight.

Best,

Fred
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