Thanks.
I can't yet get this to crash here on Linux.
Did you compile with the new threadsafe symbol, SQLITE_THREADSAFE?
(the old one was just plain old THREADSAFE).
Dan.
On Thu, 2007-08-30 at 08:17 -0700, Ken wrote:
> Dan Source code is attached. I didn't write this, someone else from
> the forum did their name is not on it, nor coppyrighted.. I thought it
> was a clean way to test threading.
>
> Interestingly if you remove out the shared cache everything runs to
> completion.
>
>
>
> Dan Kennedy <[EMAIL PROTECTED]> wrote:
>
> Hi Ken,
>
> Probably a bug in the new threading stuff. Can you share
> source code for this test or is it part of some large app?
>
> Either way, thanks for the report.
>
> Dan.
>
> On Wed, 2007-08-29 at 22:15 -0700, Ken wrote:
> > Also erros out here, sporadically.
> > int sqlite3OsWrite(sqlite3_file *id, const void *pBuf, int
> amt, i64 offset){
> > return id->pMethods->xWrite(id, pBuf, amt, offset);
> > }
> >
> > Program received signal SIGSEGV, Segmentation fault.
> > [Switching to Thread 1075841376 (LWP 15747)]
> > 0x000000000040c413 in sqlite3OsWrite (id=0x55aaa0,
> pBuf=0x401ffc30, amt=24, offset=0) at os.c:38
> > (gdb) Quit
> > (gdb)
> >
> > Ken wrote: 4 threads, shared_Cache enabled
> > LOOP 100
> > BEGIN
> > LOOP 50 times
> > INSERT
> > end LOOP
> > COMMIT
> >
> > SELECT COUNT(*) ...
> > end LOOP
> >
> >
> > program received signal SIGSEGV, Segmentation fault.
> > [Switching to Thread 1080043872 (LWP 15448)]
> > moveToChild (pCur=0x569058, newPgno=) at btree.c:3304
> > (gdb)
> >
> >
> > if( rc ) return rc;
> > pNewPage->idxParent = pCur->idx;
> > pOldPage = pCur->pPage;
> > pOldPage->idxShift = 0; <---------------- Error Here
> > releasePage(pOldPage);
> > pCur->pPage = pNewPage;
> > pCur->idx = 0;
> > pCur->info.nSize = 0;
> >
> >
> > Ken
> >
> >
> >
> >
> > Ken wrote: 4 threads, shared_Cache enabled
> > LOOP 100
> > BEGIN
> > LOOP 50 times
> > INSERT
> > end LOOP
> > COMMIT
> >
> > SELECT COUNT(*) ...
> > end LOOP
> >
> >
> > program received signal SIGSEGV, Segmentation fault.
> > [Switching to Thread 1080043872 (LWP 15448)]
> > moveToChild (pCur=0x569058, newPgno=) at btree.c:3304
> > (gdb)
> >
> >
> > if( rc ) return rc;
> > pNewPage->idxParent = pCur->idx;
> > pOldPage = pCur->pPage;
> > pOldPage->idxShift = 0; <---------------- Error Here
> > releasePage(pOldPage);
> > pCur->pPage = pNewPage;
> > pCur->idx = 0;
> > pCur->info.nSize = 0;
> >
> >
> > Ken
> >
> >
>
>
>
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