Openmoko Bug #2257: gsm0710muxd: "Modem does not respond to AT commands"

Openmoko Public Trac bugs at
Wed Aug 12 22:50:31 CEST 2009

#2257: gsm0710muxd: "Modem does not respond to AT commands"
 Reporter:  lindi            |          Owner:  openmoko-kernel     
     Type:  defect           |         Status:  new                 
 Priority:  high             |      Milestone:  stable-kernel-2009.1
Component:  System Software  |        Version:  unspecified         
 Severity:  major            |       Keywords:                      
 Haspatch:  0                |      Blockedby:                      
Estimated:                   |    Patchreview:                      
 Blocking:                   |   Reproducible:  sometimes           

Comment(by keroami):

 confirmed on gta01v4, with moko11. Including a similar recipe to wake up

  - always happens on warm reboot on 2.6.29-oe10+gitr119838
  - repeated reboots with 2.6.24-oe5+gitrfb42ce6724 on the exact same SHR
 20090808 as well as SHR 20090703 do not ever show the problem
  - frameworkd shows ad infinitum attempts to reach GSM channels, but to no
  - when in suspend, the unreachable gsm/SIM will resume the Neo (dmesg:
 IRQ 17 asserted at resume / GSM wakeup interrupt (IRQ 17))

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