Openmoko Bug #2322: Sandisk 8GB MicroSDHC locks up under stress

Openmoko Public Trac bugs at docs.openmoko.org
Wed Feb 24 11:57:51 CET 2010


#2322: Sandisk 8GB MicroSDHC locks up under stress
----------------------+-----------------------------------------------------
 Reporter:  skliarie  |          Owner:  openmoko-devel
     Type:  defect    |         Status:  new           
 Priority:  normal    |      Milestone:                
Component:  unknown   |        Version:  unspecified   
 Severity:  normal    |       Keywords:                
 Haspatch:  0         |      Blockedby:                
Estimated:            |    Patchreview:                
 Blocking:            |   Reproducible:                
----------------------+-----------------------------------------------------

Comment(by skliarie):

 The "echo 5000000 > sd_max_clk" worked for me when the card was mostly
 empty. Once I started filling it up, is started locking up again. I then
 emptied the SD and now again it takes lots of writes to lock up the card
 (but it still locks up eventually).

 I guess this has something to do with nature of SD media that needs to
 move blocks around so it would be able to erase a full block.

-- 
Ticket URL: <https://docs.openmoko.org/trac/ticket/2322#comment:1>
docs.openmoko.org <http://docs.openmoko.org/trac/>
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