#9961 NORM Not Tri: wifi interrupt timeouts occuring during resume

[Zarro Boogs per Child]

#9961: wifi interrupt timeouts occuring during resume
--------------------+-------------------------------------------------------
 Reporter:  dsd     |                 Owner:  dsaxena      
     Type:  defect  |                Status:  new          
 Priority:  normal  |             Milestone:  Not Triaged  
Component:  kernel  |               Version:  not specified
 Keywords:          |           Next_action:  never set    
 Verified:  0       |   Deployment_affected:               
Blockedby:          |              Blocking:               
--------------------+-------------------------------------------------------
 XO-1.5 B3 running os103. While attempting to reproduce #9836 (by having
 autosuspend enabled and running a simple "ping" of the XO from another
 system) I am frequently seeing a 10 second delay during resume while the
 following happens:

 {{{
 [  564.552040] sdhci_set_power: new power value = 14
 [  564.603218] sdhci_set_ios: power off for mmc0 from b0671325
 [  564.609106] sdhci_set_power: new power value = 0
 [  574.010107] mmc1: Timeout waiting for hardware interrupt.
 [  574.015805] sdhci: ============== REGISTER DUMP ==============
 [  574.020094] sdhci: Sys addr: 0x00000000 | Version:  0x00000000
 [  574.020094] sdhci: Blk size: 0x00000000 | Blk cnt:  0x00000000
 [  574.020094] sdhci: Argument: 0x00000000 | Trn mode: 0x00000000
 [  574.020094] sdhci: Present:  0x01d70000 | Host ctl: 0x00000000
 [  574.020094] sdhci: Power:    0x0000000f | Blk gap:  0x00000000
 [  574.020094] sdhci: Wake-up:  0x00000001 | Clock:    0x00000107
 [  574.020094] sdhci: Timeout:  0x00000000 | Int stat: 0x00000000
 [  574.020094] sdhci: Int enab: 0x00ff0003 | Sig enab: 0x00ff0003
 [  574.020094] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000
 [  574.020094] sdhci: Caps:     0x056030b0 | Max curr: 0x00f001f0
 [  574.020094] sdhci: ===========================================
 [  574.090062] mmc1:0001: error -110 reading SDIO_CCCR_INTx
 [  574.097167] mmc1:0001:1: resume: we're back
 }}}

-- 
Ticket URL: <http://dev.laptop.org/ticket/9961>
One Laptop Per Child <http://laptop.org/>
OLPC bug tracking system