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List: freedesktop-xorg
Subject: xcb_connect occasionally fails with xvfb
From: Edgar Mobile <heideggm () hotmail ! com>
Date: 2022-02-23 10:02:38
Message-ID: DM8PR16MB43578D2823416856062ACA89C73C9 () DM8PR16MB4357 ! namprd16 ! prod ! outlook ! com
[Download RAW message or body]
I connect to an Xvfb based x server from C++ using xcb_connect. However, o=
ccasionally the last xcb_connect call fails:
xcb_connect: error code: 0 Display: :5 displayname: (null) screenp: 0
xcb_connect: error code: 0 Display: :5 displayname: (null) screenp: -94324=
6996
xcb_connect: error code: 0 Display: :5 displayname: (null) screenp: -94324=
6996
xcb_connect: error code: 1 Display: :5 displayname: (null) screenp: -94324=
6996
The last one fails with a XCB_CONN_ERROR.
Anyone has an idea how to debug this? Xvfb never produces messages be it on=
stdout ot stderr.
Regards
[Attachment #3 (text/html)]
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} \
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<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: \
rgb(0, 0, 0);"> I connect to an Xvfb based x server from C++ using xcb_connect. \
However, occasionally the last xcb_connect call fails:<br> </div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: \
rgb(0, 0, 0);"> <br>
</div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: \
rgb(0, 0, 0);"> <p style="margin-top:0px;margin-bottom:0px;font-weight:normal;orphans:auto;widows:auto">
<span> xcb_connect: error code: 0 Display: :5 displayname: (null) screenp: \
0</span></p> <p style="margin-top:0px;margin-bottom:0px;font-weight:normal;orphans:auto;widows:auto">
<span> xcb_connect: error code: 0 Display: :5 displayname: (null) screenp: \
-943246996</span></p> <p \
style="margin-top:0px;margin-bottom:0px;font-weight:normal;orphans:auto;widows:auto"> \
<span> xcb_connect: error code: 0 Display: :5 displayname: (null) screenp: \
-943246996</span></p> <p \
style="margin-top:0px;margin-bottom:0px;font-weight:normal;orphans:auto;widows:auto"> \
<span> xcb_connect: error code: 1 Display: :5 displayname: (null) screenp: \
-943246996</span></p> <p \
style="margin-top:0px;margin-bottom:0px;font-weight:normal;orphans:auto;widows:auto"> \
<br> </p>
<p style="margin-top:0px;margin-bottom:0px;font-weight:normal;orphans:auto;widows:auto">
The last one fails with a<span \
class="Apple-converted-space"> </span><span>XCB_CONN_ERROR.</span></p> <br>
</div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: \
rgb(0, 0, 0);"> Anyone has an idea how to debug this? Xvfb never produces messages be \
it on stdout ot stderr.<br> </div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: \
rgb(0, 0, 0);"> <br>
</div>
<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: \
rgb(0, 0, 0);"> Regards<br>
</div>
</body>
</html>
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