Also: ==14673== Invalid read of size 4 ==14673== at 0x80534F9: sqlite3OsWrite (os.c:38) ==14673== by 0x8050A17: sqlite3BtreeBeginTrans (btree.c:1850) ==14673== by 0x807E068: sqlite3VdbeExec (vdbe.c:2519) ==14673== by 0x805C209: sqlite3_step (vdbeapi.c:328) ==14673== by 0x8060951: sqlite3_exec (legacy.c:77) ==14673== by 0x8048FD9: sqlite3_execute (thrd35.c:122) ==14673== by 0x8049566: testthread (thrd35.c:240) ==14673== by 0x403A561: start_thread (in /lib/i686/libpthread-2.4.so) ==14673== by 0x418D4DD: clone (in /lib/i686/libc-2.4.so) ==14673== Address 0xC is not stack'd, malloc'd or (recently) free'd ==14673== ==14673== Process terminating with default action of signal 11 (SIGSEGV) ==14673== Access not within mapped region at address 0xC ==14673== at 0x80534F9: sqlite3OsWrite (os.c:38) ==14673== by 0x8050A17: sqlite3BtreeBeginTrans (btree.c:1850) ==14673== by 0x807E068: sqlite3VdbeExec (vdbe.c:2519) ==14673== by 0x805C209: sqlite3_step (vdbeapi.c:328) ==14673== by 0x8060951: sqlite3_exec (legacy.c:77) ==14673== by 0x8048FD9: sqlite3_execute (thrd35.c:122) ==14673== by 0x8049566: testthread (thrd35.c:240) ==14673== by 0x403A561: start_thread (in /lib/i686/libpthread-2.4.so) ==14673== by 0x418D4DD: clone (in /lib/i686/libc-2.4.so) ==14673== by 0xA: ??? ==14673== by 0x38134192: (within /usr/lib/valgrind/x86-linux/memcheck) ==14673== by 0x2: ???
--- Joe Wilson <[EMAIL PROTECTED]> wrote: > I also see random crashes with sources from CVS as of > Thu Aug 30 12:20:43 EDT 2007 using Ken's program below. > > http://marc.info/?l=sqlite-users&m=118848741522192&w=2 > > It's timing dependent. > On a single core Pentium4 machine it crashes once in 10 runs. > > Sometimes it produces this valgrind error: > > ==14637== Thread 4: > ==14637== Invalid read of size 4 > ==14637== at 0x804D951: balance_nonroot (btree.c:4774) > ==14637== by 0x804E840: balance (btree.c:5469) > ==14637== by 0x805013B: sqlite3BtreeInsert (btree.c:5601) > ==14637== by 0x807EAC1: sqlite3VdbeExec (vdbe.c:3506) > ==14637== by 0x805C209: sqlite3_step (vdbeapi.c:328) > ==14637== by 0x8060951: sqlite3_exec (legacy.c:77) > ==14637== by 0x8048FD9: sqlite3_execute (thrd35.c:122) > ==14637== by 0x80495B7: testthread (thrd35.c:251) > ==14637== by 0x403A561: start_thread (in /lib/i686/libpthread-2.4.so) > ==14637== by 0x418D4DD: clone (in /lib/i686/libc-2.4.so) > ==14637== Address 0x4C is not stack'd, malloc'd or (recently) free'd > ==14637== > ==14637== Process terminating with default action of signal 11 (SIGSEGV) > ==14637== Access not within mapped region at address 0x4C > ==14637== at 0x804D951: balance_nonroot (btree.c:4774) > ==14637== by 0x804E840: balance (btree.c:5469) > ==14637== by 0x805013B: sqlite3BtreeInsert (btree.c:5601) > ==14637== by 0x807EAC1: sqlite3VdbeExec (vdbe.c:3506) > ==14637== by 0x805C209: sqlite3_step (vdbeapi.c:328) > ==14637== by 0x8060951: sqlite3_exec (legacy.c:77) > ==14637== by 0x8048FD9: sqlite3_execute (thrd35.c:122) > ==14637== by 0x80495B7: testthread (thrd35.c:251) > ==14637== by 0x403A561: start_thread (in /lib/i686/libpthread-2.4.so) > ==14637== by 0x418D4DD: clone (in /lib/i686/libc-2.4.so) > ==14637== by 0x38134192: (within /usr/lib/valgrind/x86-linux/memcheck) > ==14637== by 0x3: ??? ____________________________________________________________________________________ Pinpoint customers who are looking for what you sell. http://searchmarketing.yahoo.com/ ----------------------------------------------------------------------------- To unsubscribe, send email to [EMAIL PROTECTED] -----------------------------------------------------------------------------
