Why am I seeing a ton of SyS_poll?
I have two different Linux desktops connected to a Synology NAS like so:
10.0.0.20:/volume1/chronicle /chronicle nfs rw,hard,intr 0 0
and I am frequently seeing my computer locking up entirely, with the system monitor showing IOWait which is apparently blocking. For instance, a movie playback will freeze, but (most of the time) I can still quit VLC and restart it. I could also copy the movie file to my local SSD, which would (a significant amount of the times I've tried) have pauses in the transfer while doing this IOWait thing. If I do things not involving the NAS share, I'm generally also not experiencing any freezing.
I've tried figuring out why, but I don't understand the man pages and other resources regarding IOWait, poll, and epoll.
What can I do to identify and resolve this issue?

linux io manjaro freeze nas
add a comment |
I have two different Linux desktops connected to a Synology NAS like so:
10.0.0.20:/volume1/chronicle /chronicle nfs rw,hard,intr 0 0
and I am frequently seeing my computer locking up entirely, with the system monitor showing IOWait which is apparently blocking. For instance, a movie playback will freeze, but (most of the time) I can still quit VLC and restart it. I could also copy the movie file to my local SSD, which would (a significant amount of the times I've tried) have pauses in the transfer while doing this IOWait thing. If I do things not involving the NAS share, I'm generally also not experiencing any freezing.
I've tried figuring out why, but I don't understand the man pages and other resources regarding IOWait, poll, and epoll.
What can I do to identify and resolve this issue?

linux io manjaro freeze nas
add a comment |
I have two different Linux desktops connected to a Synology NAS like so:
10.0.0.20:/volume1/chronicle /chronicle nfs rw,hard,intr 0 0
and I am frequently seeing my computer locking up entirely, with the system monitor showing IOWait which is apparently blocking. For instance, a movie playback will freeze, but (most of the time) I can still quit VLC and restart it. I could also copy the movie file to my local SSD, which would (a significant amount of the times I've tried) have pauses in the transfer while doing this IOWait thing. If I do things not involving the NAS share, I'm generally also not experiencing any freezing.
I've tried figuring out why, but I don't understand the man pages and other resources regarding IOWait, poll, and epoll.
What can I do to identify and resolve this issue?

linux io manjaro freeze nas
I have two different Linux desktops connected to a Synology NAS like so:
10.0.0.20:/volume1/chronicle /chronicle nfs rw,hard,intr 0 0
and I am frequently seeing my computer locking up entirely, with the system monitor showing IOWait which is apparently blocking. For instance, a movie playback will freeze, but (most of the time) I can still quit VLC and restart it. I could also copy the movie file to my local SSD, which would (a significant amount of the times I've tried) have pauses in the transfer while doing this IOWait thing. If I do things not involving the NAS share, I'm generally also not experiencing any freezing.
I've tried figuring out why, but I don't understand the man pages and other resources regarding IOWait, poll, and epoll.
What can I do to identify and resolve this issue?

linux io manjaro freeze nas
linux io manjaro freeze nas
asked 6 mins ago
KlaymenDKKlaymenDK
2681319
2681319
add a comment |
add a comment |
0
active
oldest
votes
Your Answer
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "106"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f499392%2fwhy-am-i-seeing-a-ton-of-sys-poll%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
0
active
oldest
votes
0
active
oldest
votes
active
oldest
votes
active
oldest
votes
Thanks for contributing an answer to Unix & Linux Stack Exchange!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f499392%2fwhy-am-i-seeing-a-ton-of-sys-poll%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown