I have tested with the upstream kernel and the bug still exists:
rich@zbase:~$ uname -a
Linux zbase 3.2.0-030200rc7-generic #201112240135 SMP Sat Dec 24 06:35:57 UTC
2011 x86_64 x86_64 x86_64 GNU/Linux
syslog excerpt:
...
06/01/2012 02:45:02 zbase kernel [ 482.280704] ata3: EH complete
06/01/2012 02:45:02 zbase kernel [ 482.281026] ata3.00: failed to read
SCR 1 (Emask=0x40)
06/01/2012 02:45:02 zbase kernel [ 482.281039] ata3.01: failed to read
SCR 1 (Emask=0x40)
06/01/2012 02:45:02 zbase kernel [ 482.281060] ata3.15: exception Emask
0x10 SAct 0x0 SErr 0x0 action 0x6 frozen
06/01/2012 02:45:02 zbase kernel [ 482.281069] ata3.15: irq_stat
0x08000000, interface fatal error
06/01/2012 02:45:02 zbase kernel [ 482.281082] ata3.00: exception Emask
0x100 SAct 0x1 SErr 0x0 action 0x6 frozen
06/01/2012 02:45:02 zbase kernel [ 482.281094] ata3.00: failed command:
READ FPDMA QUEUED
06/01/2012 02:45:02 zbase kernel [ 482.281114] ata3.00: cmd
60/08:00:08:00:00/00:00:00:00:00/40 tag 0 ncq 4096 in
06/01/2012 02:45:02 zbase kernel [ 482.281118] res
50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x100 (unknown error)
06/01/2012 02:45:02 zbase kernel [ 482.281128] ata3.00: status: { DRDY }
06/01/2012 02:45:02 zbase kernel [ 482.281139] ata3.01: exception Emask
0x100 SAct 0x0 SErr 0x0 action 0x6 frozen
06/01/2012 02:45:02 zbase kernel [ 482.281156] ata3.15: hard resetting
link
06/01/2012 02:45:03 zbase kernel [ 482.772185] ata3.15: SATA link up
1.5 Gbps (SStatus 113 SControl 310)
06/01/2012 02:45:03 zbase kernel [ 482.773082] ata3.01: limiting SATA
link speed to 1.5 Gbps
06/01/2012 02:45:03 zbase kernel [ 482.773102] ata3.00: hard resetting
link
06/01/2012 02:45:03 zbase kernel [ 483.264483] ata3.00: SATA link up
3.0 Gbps (SStatus 123 SControl 310)
06/01/2012 02:45:03 zbase kernel [ 483.264564] ata3.01: hard resetting
link
06/01/2012 02:45:03 zbase kernel [ 483.584516] ata3.01: SATA link down
(SStatus 0 SControl 310)
06/01/2012 02:45:03 zbase kernel [ 483.584921] ata3.00: configured for
UDMA/133
06/01/2012 02:45:03 zbase kernel [ 483.632178] ata3: EH complete
06/01/2012 02:45:03 zbase kernel [ 483.632289] ata3.00: failed to read
SCR 1 (Emask=0x40)
06/01/2012 02:45:03 zbase kernel [ 483.632301] ata3.01: failed to read
SCR 1 (Emask=0x40)
06/01/2012 02:45:03 zbase kernel [ 483.632322] ata3.15: exception Emask
0x10 SAct 0x0 SErr 0x0 action 0x6 frozen
06/01/2012 02:45:03 zbase kernel [ 483.632333] ata3.15: irq_stat
0x08000000, interface fatal error
06/01/2012 02:45:03 zbase kernel [ 483.632346] ata3.00: exception Emask
0x100 SAct 0x1 SErr 0x0 action 0x6 frozen
06/01/2012 02:45:03 zbase kernel [ 483.632358] ata3.00: failed command:
READ FPDMA QUEUED
06/01/2012 02:45:03 zbase kernel [ 483.632379] ata3.00: cmd
60/08:00:08:00:00/00:00:00:00:00/40 tag 0 ncq 4096 in
06/01/2012 02:45:03 zbase kernel [ 483.632383] res
50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x100 (unknown error)
06/01/2012 02:45:03 zbase kernel [ 483.632393] ata3.00: status: { DRDY }
06/01/2012 02:45:03 zbase kernel [ 483.632403] ata3.01: exception Emask
0x100 SAct 0x0 SErr 0x0 action 0x6 frozen
06/01/2012 02:45:03 zbase kernel [ 483.632420] ata3.15: hard resetting
link
06/01/2012 02:45:04 zbase kernel [ 484.124184] ata3.15: SATA link up
1.5 Gbps (SStatus 113 SControl 310)
06/01/2012 02:45:04 zbase kernel [ 484.125023] ata3.01: limiting SATA
link speed to 1.5 Gbps
06/01/2012 02:45:04 zbase kernel [ 484.125045] ata3.00: hard resetting
link
...
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/910999
Title:
sil5744 over eSATA regression - repeated kernel failures & device
initialisation times out
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