On 05.05.2014 20:37, Adrian Chadd wrote:
(I know, I just emailed out asking about setting S3 for the default
lid suspend state, however I just updated to the very latest head and
things went a little backwards.)
Suspend no longer works for me:
May 5 10:33:10 lucy-11i386 acpi: suspend at 20140505 10:33:10
May 5 10:33:47 lucy-11i386 kernel: ahcich0: Timeout on slot 19 port 0
May 5 10:33:47 lucy-11i386 kernel: ahcich0: is 00000000 cs fff80fff
ss fff80fff rs fff80fff tfd d0 serr 00000000 cmd 0000d317
May 5 10:33:47 lucy-11i386 kernel: (ada0:ahcich0:0:0:0):
WRITE_FPDMA_QUEUED. ACB: 61 08 e0 b0 fa 40 42 00 00 00 00 00
May 5 10:33:47 lucy-11i386 kernel: (ada0:ahcich0:0:0:0): CAM status:
Command timeout
May 5 10:33:47 lucy-11i386 kernel: (ada0:ahcich0:0:0:0): Retrying command
May 5 10:33:13 lucy-11i386 acpi: resumed at 20140505 10:33:13
May 5 10:33:59 lucy-11i386 acpi: suspend at 20140505 10:33:59
May 5 10:34:37 lucy-11i386 kernel: ahcich0: Timeout on slot 9 port 0
May 5 10:34:37 lucy-11i386 kernel: ahcich0: is 00000000 cs ffffff83
ss ffffff83 rs ffffff83 tfd d0 serr 00000000 cmd 0000c717
May 5 10:34:37 lucy-11i386 kernel: (ada0:ahcich0:0:0:0):
WRITE_FPDMA_QUEUED. ACB: 61 08 18 5c f7 40 42 00 00 00 00 00
May 5 10:34:37 lucy-11i386 kernel: (ada0:ahcich0:0:0:0): CAM status:
Command timeout
May 5 10:34:37 lucy-11i386 kernel: (ada0:ahcich0:0:0:0): Retrying command
May 5 10:34:03 lucy-11i386 acpi: resumed at 20140505 10:34:03
What has recently changed that'd possibly break ahci's ability to
correctly suspend?
When I tested it last time (awhile ago), it was working for me.
ahci_ch_suspend() should block all I/O on the channel and wait until all
active commands complete. On resume channel should be reinitialized,
device reset and only then I/Os should be released. Do you see those
timeouts on suspend or resume?
Do you have kern.cam.ada.spindown_suspend enabled? Can you try to
disable it?
--
Alexander Motin
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