Openmoko Bug #2274: Kernel regression: white screen of death reappeared with 2.6.29

[Openmoko Public Trac]

#2274: Kernel regression: white screen of death reappeared with 2.6.29
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 Reporter:  CyrusDreams      |          Owner:  openmoko-kernel          
     Type:  defect           |         Status:  new                      
 Priority:  normal           |      Milestone:                           
Component:  System Software  |        Version:  GTA02v5                  
 Severity:  major            |       Keywords:  WSoD white screen suspend
 Haspatch:  0                |      Blockedby:                           
Estimated:                   |    Patchreview:                           
 Blocking:                   |   Reproducible:                           
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 Steps to reproduce:
 * use
 uImage-2.6.29-oe10+gitr119792+81c61a7d1abb03aecd13f5395aba355e996a1641-r3.3
 -om-gta02.bin from SHR-project dated 2009-04-17 (uname -a: Linux om-gta02
 2.6.29-rc3 #1 PREEMPT Fri Apr 17 18:34:52 CEST 2009 armv4tl unknown)

 * use together with rootfs from SHR testing from 2009-04-16
 * let the device get into suspend, let it cool down a little bit

 * press power button and the GTA02 will go to the "white screen of death"

 Known good version:
 * uImage-2.6.28-oe1+gitr34240a1c06ae36180dee695aa25bbae869b2aa26-r3-om-
 gta02 from 2009-03-02 (uname -a: Linux om-gta02 2.6.28-rc4 #1 PREEMPT Sun
 Feb 8 19:53:16 CET 2009 armv4tl unknown), same rootfs with 2.6.28 modules
 * the device wakes up correctly, even when cooled down to approx. 15°C

 * both scenarios use U-Boot 1.3.2-rc2-dirty-moko12 dated 2008-04-02

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Ticket URL: <https://docs.openmoko.org/trac/ticket/2274>
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