thank you for your answer. yet.. I don't undersand it. I wish to explain more. I wish... please explain more thoroughly that "yaffs: Allocation block xx was >> not highest sequence". you'll explain debugging message. what is reason?... more detail explanation..... How do it debugging message occurrence about "yaffs: Allocation block xx was >> not highest sequence" ? thank you very very much.... charles manninq... Have a good time... charles manninq... ----- Original Message ----- From: "Charles Manning" To: Cc: "???" Sent: Saturday, December 12, 2009 2:16 AM Subject: Re: [Yaffs] [yaffs2] : Allocation block xx was not highest sequence in yaffs_guts.c ( what is cause occurrence ?) > This is a very old version of the code. This check was dropped about 18 > months > ago. > > This means that a block was found with a higher sequence number. That > might be > a corrupted block. > > I would recommend trying a newer version of yaffs2 to see if this is > corrected. > > -- Charles > > > On Friday 11 December 2009 18:46:19 ??? wrote: >> Dear sir... >> >> I found error message. i was occurrence debug error message. >> >> why do error messag make? >> what is cause and effect? and what is solve method? >> >> i don't know... why do it occurrence?... >> >> you 'll know.. please , tell me. about "yaffs: Allocation block xx was >> not highest sequence "" >> >> please... you'll send E-maill to me. I wish ... >> >> >> thank you..... Have a good time.... sir >> >> >> >> [source code contens] >> In yaffs_guts.c >> at function : static int yaffs_ScanBackwards(yaffs_Device * dev) >> version Info : const char *yaffs_guts_c_version = "$Id: >> yaffs_guts.c,v 1.31 2006/03/08 07:59:20 charles Exp $"; >> >> >> >> /* Yaffs2 sanity check: >> * This should be the one with the highest sequence number >> */ >> if (dev->isYaffs2 >> && (dev->sequenceNumber != >> bi->sequenceNumber)) { >> T(YAFFS_TRACE_ALWAYS, >> (TSTR >> ("yaffs: Allocation block %d was not highest sequence " >> "id: block seq = %d, dev seq = %d" >> TENDSTR), blk, >> bi->sequenceNumber, >> dev->sequenceNumber)); >> } > >