#9967 NORM 1.0-sof: 2.6.31.6: libertas suspend fails on XO-1

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#9967: 2.6.31.6: libertas suspend fails on XO-1
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           Reporter:  sascha_silbe  |       Owner:  dsaxena                           
               Type:  defect        |      Status:  new                               
           Priority:  normal        |   Milestone:  1.0-software-later                
          Component:  kernel        |     Version:  Development source as of this date
         Resolution:                |    Keywords:  libertas suspend                  
        Next_action:  diagnose      |    Verified:  0                                 
Deployment_affected:                |   Blockedby:                                    
           Blocking:                |  
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Comment(by sascha_silbe):

 For comparison: This is without bernies patches, but the Marvell patch
 reverted. While link was lost during suspend (it has been sleeping for
 much longer than with the above test where it kept the link over suspend),
 no libertas reset was required after resume:

 {{{
 [ 3014.752592] Freezing user space processes ... (elapsed 0.01 seconds)
 done.
 [ 3014.763188] Freezing remaining freezable tasks ... (elapsed 0.00
 seconds) done.
 [ 3014.763414] PM: Entering mem sleep
 [ 3014.808055] mmc_suspend_host: turning off power on mmc0
 [ 3014.808088] sdhci_set_ios: power off for mmc0 from c0699611
 [ 3014.808111] sdhci_set_power: new power value = 0
 [ 3014.808222] sdhci-pci 0000:00:0c.1: PME# disabled
 [ 3014.813490] sdhci_pci_probe: Enable PME set to 0x1a0c108
 [ 3014.814962] ehci_hcd 0000:00:0f.5: PME# disabled
 [ 3014.820349] ohci_hcd 0000:00:0f.4: PME# disabled
 [ 3014.839344] olpc_do_sleep!
 [ 3014.839344] CAFÉ NAND 0000:00:0c.0: restoring config space at offset
 0xf (was 0x8080100, writing 0x808010b)
 [ 3014.839344] CAFÉ NAND 0000:00:0c.0: restoring config space at offset
 0x3 (was 0x800000, writing 0x802000)
 [ 3014.839344] sdhci-pci 0000:00:0c.1: restoring config space at offset
 0x1 (was 0x2b00002, writing 0x2b00006)
 [ 3014.839344] cafe1000-ccic 0000:00:0c.2: restoring config space at
 offset 0xf (was 0x8080100, writing 0x808010b)
 [ 3014.839344] cafe1000-ccic 0000:00:0c.2: restoring config space at
 offset 0x3 (was 0x800000, writing 0x802000)
 [ 3014.839344] cafe1000-ccic 0000:00:0c.2: restoring config space at
 offset 0x1 (was 0x2b00002, writing 0x2b00006)
 [ 3014.839344] ohci_hcd 0000:00:0f.4: PME# disabled
 [ 3014.839344] ehci_hcd 0000:00:0f.5: PME# disabled
 [ 3014.839344] olpm-pm:  PM_PWRBTN wakeup event received
 [ 3015.246391] sdhci_set_power: new power value = 14
 [ 3015.286384] sdhci_set_power: new power value = 12
 [ 3016.623091] sdhci_pci_probe: Enable PME is 0x1a0c008
 [ 3016.643304] cs5535audio 0000:00:0f.3: setting latency timer to 64
 [ 3016.647670] ohci_hcd 0000:00:0f.4: PME# disabled
 [ 3016.647703] ohci_hcd 0000:00:0f.4: setting latency timer to 64
 [ 3016.738895] usb usb2: root hub lost power or was reset
 [ 3016.738933] ehci_hcd 0000:00:0f.5: PME# disabled
 [ 3016.738965] ehci_hcd 0000:00:0f.5: setting latency timer to 64
 [ 3016.738989] usb usb1: root hub lost power or was reset
 [ 3016.739025] ehci_hcd 0000:00:0f.5: cache line size of 32 is not
 supported
 [ 3017.036455] usb 1-1: reset high speed USB device using ehci_hcd and
 address 2
 [ 3017.196575] PM: Finishing wakeup.
 [ 3017.196594] Restarting tasks ... done.
 [ 3017.530516] i2c-adapter i2c-0: timeout in state address
 }}}

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Ticket URL: <http://dev.laptop.org/ticket/9967#comment:8>
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