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[Launchpad Bug Tracker <843639@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

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

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https://bugs.launchpad.net/bugs/843639

Title:
  VIA VT6421 SATA card still seems to crash many systems

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  I am using a VIA VT6421 SATA card on a 64bit Ubuntu/Natty

  Upon accessing a DVD drive connected to the card, the whole server
  crashes almost immediately. Here the messages I get from the kernel
  upon the crash:

  Aug 11 20:47:13 hostname kernel: [  728.573496] ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1380500 action 0x6
  Aug 11 20:47:13 hostname kernel: [  728.573501] ata3.00: BMDMA stat 0x5
  Aug 11 20:47:13 hostname kernel: [  728.573505] ata3: SError: { UnrecovData Proto 10B8B Dispar BadCRC TrStaTrns }
  Aug 11 20:47:13 hostname kernel: [  728.573511] sr 2:0:0:0: [sr1] CDB: Read(10): 28 00 00 00 00 00 00 00 02 00
  Aug 11 20:47:13 hostname kernel: [  728.573528] ata3.00: cmd a0/01:00:00:00:10/00:00:00:00:00/a0 tag 0 dma 4096 in
  Aug 11 20:47:13 hostname kernel: [  728.573530]          res 51/40:03:00:00:00/00:00:00:00:00/a0 Emask 0x12 (ATA bus error)
  Aug 11 20:47:13 hostname kernel: [  728.573534] ata3.00: status: { DRDY ERR }
  Aug 11 20:47:13 hostname kernel: [  728.573544] ata3: hard resetting link
  Aug 11 20:47:14 hostname kernel: [  728.920055] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
  Aug 11 20:47:14 hostname kernel: [  728.980238] ata3.00: configured for UDMA/100
  Aug 11 20:47:14 hostname kernel: [  728.981398] ata3: EH complete
  Aug 11 20:47:14 hostname kernel: [  729.274406] ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1380500 action 0x6
  Aug 11 20:47:14 hostname kernel: [  729.274411] ata3.00: BMDMA stat 0x5
  Aug 11 20:47:14 hostname kernel: [  729.274416] ata3: SError: { UnrecovData Proto 10B8B Dispar BadCRC TrStaTrns }
  Aug 11 20:47:14 hostname kernel: [  729.274422] sr 2:0:0:0: [sr1] CDB: Read(10): 28 00 00 00 00 22 00 00 06 00
  Aug 11 20:47:14 hostname kernel: [  729.274439] ata3.00: cmd a0/01:00:00:00:30/00:00:00:00:00/a0 tag 0 dma 12288 in
  Aug 11 20:47:14 hostname kernel: [  729.274441]          res 51/40:03:00:00:00/00:00:00:00:00/a0 Emask 0x12 (ATA bus error)
  Aug 11 20:47:14 hostname kernel: [  729.274445] ata3.00: status: { DRDY ERR }
  Aug 11 20:47:14 hostname kernel: [  729.274455] ata3: hard resetting link
  Aug 11 20:47:14 hostname kernel: [  729.620064] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
  Aug 11 20:47:14 hostname kernel: [  729.680248] ata3.00: configured for UDMA/100
  Aug 11 20:47:14 hostname kernel: [  729.681247] ata3: EH complete
  Aug 11 20:47:14 hostname kernel: [  729.768369] ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1380500 action 0x6
  Aug 11 20:47:14 hostname kernel: [  729.768374] ata3.00: BMDMA stat 0x5
  Aug 11 20:47:14 hostname kernel: [  729.768379] ata3: SError: { UnrecovData Proto 10B8B Dispar BadCRC TrStaTrns }
  Aug 11 20:47:14 hostname kernel: [  729.768385] sr 2:0:0:0: [sr1] CDB: Read(10): 28 00 00 00 01 00 00 00 02 00
  Aug 11 20:47:14 hostname kernel: [  729.768402] ata3.00: cmd a0/01:00:00:00:10/00:00:00:00:00/a0 tag 0 dma 4096 in
  Aug 11 20:47:14 hostname kernel: [  729.768403]          res 51/40:03:00:00:00/00:00:00:00:00/a0 Emask 0x12 (ATA bus error)
  Aug 11 20:47:14 hostname kernel: [  729.768414] ata3.00: status: { DRDY ERR }
  Aug 11 20:47:14 hostname kernel: [  729.768431] ata3: hard resetting link
  Aug 11 20:47:15 hostname kernel: [  730.110058] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
  Aug 11 20:47:15 hostname kernel: [  730.170231] ata3.00: configured for UDMA/100
  Aug 11 20:47:15 hostname kernel: [  730.170847] ata3: EH complete
  Aug 11 20:47:15 hostname kernel: [  730.298920] ata3.00: limiting speed to UDMA/66:PIO4
  Aug 11 20:47:15 hostname kernel: [  730.298928] ata3.00: exception Emask 0x12 SAct 0x0 SErr 0x1380500 action 0x6
  Aug 11 20:47:15 hostname kernel: [  730.298931] ata3.00: BMDMA stat 0x4
  Aug 11 20:47:15 hostname kernel: [  730.298935] ata3: SError: { UnrecovData Pr

  The log stops there. There seem to be others with this problem:
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/422994
  http://ubuntuforums.org/showthread.php?t=1665984
  http://ubuntuforums.org/showthread.php?t=1836518
  http://ubuntuforums.org/showthread.php?t=1822916

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