On Wed, Aug 18, 2010 at 12:33 AM, renxiu liang <[email protected]> wrote: > Hi, > > We met the mtest06 failure several times; this is because in > mtest06/mmap1.c, when handling the signal 11 in sig_handler, it doesn't > cover another two race conditions: > one is si_code equals "SEGV_MAPERR" but si_address does not equal to > map_address; and one is si_code equals to "SEGV_ACCERR"; > > see below error log: > > <<<test_start>>> > tag=mtest06 stime=1270902396 > cmdline=" mmap1 -x 0.05" > contacts="" > analysis=exit > initiation_status="ok" > <<<test_output>>> > mmap1 0 INFO : pid[5456]: map, change contents, unmap files > 1000 times > mmap1 0 INFO : created thread[1216369840] > mmap1 0 INFO : pid[5456] - read contents of memory 0x48002000 > 1000 times > mmap1 0 INFO : page fault occurred at 0x48002000 > mmap1 0 INFO : page fault occurred at 0x48002000 > mmap1 0 INFO : page fault occurred at 0x48002000 > mmap1 0 INFO : page fault occurred at 0x48002000 > ...... > mmap1 0 INFO : page fault occurred at 0x48002000 > mmap1 0 INFO : page fault occurred at 0x48002000 > caught unexpected signal - 11 --- exiting > <<<execution_status>>> > duration=1 termination_type=exited termination_id=255 corefile=no > cutime=0 cstime=4 > <<<test_end>>> > > I made a patch to cover all the three race conditions in one case in > sig_handler(), > then run mtest06 repeatedly on different archs, test will not fail by > catching signal 11.
Could you print out what the value of info->si_code and info->si_addr are at the time of the fault? Also, which architecture(s) are you running into this issue on? Thanks! -Garrett ------------------------------------------------------------------------------ Sell apps to millions through the Intel(R) Atom(Tm) Developer Program Be part of this innovative community and reach millions of netbook users worldwide. Take advantage of special opportunities to increase revenue and speed time-to-market. Join now, and jumpstart your future. http://p.sf.net/sfu/intel-atom-d2d _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
