On 08/16/2019 02:53 PM, Kang Kai wrote:
On 2019/8/12 下午4:57, Kang Kai wrote:
On 2019/7/27 下午4:42, Kang Kai wrote:
On 2019/7/27 上午5:40, [email protected] wrote:
On Fri, 2019-07-26 at 05:23 -0400, [email protected] wrote:
From: Kai Kang <[email protected]>
When run do_testimage for core-image-sato-sdk, it fails to pass test
case:
RESULTS - systemd.SystemdBasicTests.test_systemd_failed: FAILED
(0.43s)
It is OOM issue and daemon rpc.statd is killed:
[ 531.306146] Out of memory: Kill process 193 (rpc.statd) score
200 or sacrifice child
Increase the memory of qemu to 512M to avoid such OOM issue.
Signed-off-by: Kai Kang <[email protected]>
---
meta/recipes-sato/images/core-image-sato-sdk.bb | 1 +
1 file changed, 1 insertion(+)
diff --git a/meta/recipes-sato/images/core-image-sato-sdk.bb
b/meta/recipes-sato/images/core-image-sato-sdk.bb
index d7cc52b52b..f7963d018e 100644
--- a/meta/recipes-sato/images/core-image-sato-sdk.bb
+++ b/meta/recipes-sato/images/core-image-sato-sdk.bb
@@ -9,3 +9,4 @@ IMAGE_FEATURES += "dev-pkgs tools-sdk \
IMAGE_INSTALL += "kernel-devsrc"
+TEST_QEMUPARAMS = "-m 512"
Any idea what is using so much memory in the image when this happens?
Its rather sad that we can't have NFS+systemd with 256MB memory...
It caused by stap test case. I minimized the test cases to
TEST_SUITES = "ping date ssh systemd stap kernelmodule gcc "
which could reproduce the error.
And it PASSes testimage that remove stap test from default TEST_SUITES:
TEST_SUITES_remove = 'stap'
But I can't reproduce the OOM failure to run stap tests manually.
Hi Richard,
The root cause of test case stap fails is available memory is too
low. Compare systemd with sysvinit, memory status are listed:
systemd:
root@qemux86:~# free -h
total used free shared buff/cache
available
Mem: 239Mi 120Mi 23Mi 8.0Mi 94Mi 100Mi
Swap: 0B 0B 0B
sysvinit:
root@qemux86:~# free -h
total used free shared buff/cache
available
Mem: 239Mi 45Mi 111Mi 0.0Ki 82Mi 184Mi
Swap: 0B 0B 0B
With systemd, processes of rpc.statd and rpc.mountd take about less
than 80M memories.
And I compared with Debian 10, they take similar size of memories.
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
464 rpcuser 20 0 56316 51336 2192 S 0.0 20.9 0:00.09
rpc.statd
186 root 20 0 30136 27024 2280 S 0.0 11.0 0:00.02
rpc.mountd
Compare to sysvinit, they take only about 2M and 448K:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
567 rpcuser 20 0 3444 2372 1792 S 0.0 1.0 0:00.00
rpc.statd
677 root 20 0 3700 448 0 S 0.0 0.2 0:00.00
rpc.mountd
I didn't figure out the differences between these 2 ways to start the
commands:
ExecStart=/usr/sbin/rpc.statd -F $STATD_OPTS
Vs.
test -x "$NFS_STATD" || NFS_STATD=/usr/sbin/rpc.statd
start-stop-daemon --start --exec "$NFS_STATD" --pidfile "$STATD_PID"
Hi Richard,
Any more comment here please?
Regards,
Kai
Hi Richard,
Do you think it's acceptable to use swap as part of this test case? For
example, enable 100M swap before running `stap' and disable it
afterwards? This ensure no oom caused by other software using too much
memory.
Best Regards,
Chen Qi
Regards,
Kai
Regards,
Kai
Cheers,
Richard
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