On 4/11/07, Ken Chen <[EMAIL PROTECTED]> wrote:
On 4/11/07, Zach Brown <[EMAIL PROTECTED]> wrote:
> First, I'll NAK this and all AIO patches until the patch description
> says that it's been run through the regression tests that we've started
> collecting in autotest. They're trivial to run, never fear:
OK. I will run those regression tests.
Unfortunately, the aio_dio_bugs test in autotest has bug in it :-(
We need stress test the "test code".
on stock 2.6.21-rc6 kernel:
[rock-me-baby]$ cd autotest/tests/aio_dio_bugs/src
[rock-me-baby]$ make
[rock-me-baby]$ ./aio-free-ring-with-bogus-nr-pages
aio-free-ring-with-bogus-nr-pages: Error: io_setup returned -22,
expected -ENOMEM
hmm??? The problem is that the test code forgot to initialized ctx
variable and in the kernel, sys_io_setup returns EINVAL if user
address contain none-zero value.
I will submit the following patch to autotest to correct the test code.
--- aio-free-ring-with-bogus-nr-pages.c.orig 2007-04-11 23:57:45 -0700
+++ aio-free-ring-with-bogus-nr-pages.c 2007-04-11 23:57:59 -0700
@@ -39,7 +39,7 @@
int main(int __attribute__((unused)) argc, char **argv)
{
long res;
- io_context_t ctx;
+ io_context_t ctx = 0;
void* map;
while (1) {
-
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