[ts-7000] yaffs tragedy: no more eraased blocks

["j.chitte" <>]

Hi,

my 7250 flash has just gone bad. Following a reboot it get this:

yaffs tragedy: no more eraased blocks
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!
yaffs tragedy: no more eraased blocks
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!
yaffs tragedy: no more eraased blocks
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!
yaffs tragedy: no more eraased blocks
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!
yaffs tragedy: no more eraased blocks
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!
**>> Erasure failed 639
**>> Block 639 retired
yaffs tragedy: no more eraased blocks
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!
yaffs tragedy: no space during cache write

...
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!
yaffs tragedy: no more eraased blocks
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!
yaffs tragedy: no more eraased blocks
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!
yaffs tragedy: no more eraased blocks
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!
yaffs tragedy: no more eraased blocks
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!
**>> Erasure failed 793
**>> Block 793 retired
yaffs tragedy: no more eraased blocks
!!!!!!!!! Allocator out !!!!!!!!!!!!!!!!!


then "normal" functioning proceeds as best it can.


I don't know why this happened. I have had not such errors in the past but had 
noted yaffs2 getting VERY slow to mount as noted in a previous thread. (slow >= 
90s)

I had intended to reboot without the console since I wanted to test something 
on AM0, so I took off JP2 and rebooted. However , ssh was unable to connect and 
it was unclear what state the board was in so I put JP2 back on rebooted.

Now I get this shit. Which looks like burn out. But why has this hit with no 
warning?

I read somewhere that "jessoff" of TS had provided a means to reset the bad 
blocks and that most of the boards that came back just needed the flash 
clearing (it was not really burnt out flash).

Anyone know how to clear the bad blocks?

TIA. 





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