Bug 1551334

Summary: wvdial triggers assertion in libwvstreams
Product: Red Hat Enterprise Linux 7 Reporter: Michael Lampe <lampe>
Component: libwvstreamsAssignee: Jaroslav Škarvada <jskarvad>
Status: CLOSED ERRATA QA Contact: Robin Hack <rhack>
Severity: medium Docs Contact:
Priority: urgent    
Version: 7.4CC: akhaitov, fkrska, jskarvad, msekleta, rhack, thozza
Target Milestone: rcKeywords: FastFix, Patch, Triaged, ZStream
Target Release: ---Flags: thozza: mirror+
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: libwvstreams-4.6.1-12.el7 Doc Type: No Doc Update
Doc Text:
Story Points: ---
Clone Of:
: 1812442 1812443 (view as bug list) Environment:
Last Closed: 2020-09-29 19:33:21 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1780577, 1812442, 1812443    
Attachments:
Description Flags
Patch none

Description Michael Lampe 2018-03-04 19:45:52 UTC 
Created attachment 1403974 [details]
Patch

Description of problem:

wvdial triggers assertion in libwvstreams

Version-Release number of selected component (if applicable):

libwvstreams-4.6.1-11.el7.x86_64

How reproducible:

Always

Steps to Reproduce:

# wvdial

Actual results:

--> WvDial: Internet dialer version 1.61
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
OK
--> Sending: AT+CGDCONT=1,"IP","xxx"
AT+CGDCONT=1,"IP","xxx"
OK
--> Modem initialized.
--> Sending: ATDT*99#
--> Waiting for carrier.
ATDT*99#
wvdial: utils/wvtask.cc:303: static int WvTaskMan::yield(int): Assertion 
`*current_task->stack_magic == 0x123678' failed.

Additional info:

https://bugs.archlinux.org/task/48390

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863039

The default stack is too small nowadays, patch attached. Works for me.
Comment 2 Jaroslav Škarvada 2018-03-08 17:32:50 UTC 
Thanks for the patch, fixed in f28.
Comment 3 Greg 2018-05-12 18:43:49 UTC 
What is ETA on RHEL7 release?
Comment 4 Jaroslav Škarvada 2018-05-15 21:09:52 UTC 
(In reply to Greg from comment #3)
> What is ETA on RHEL7 release?

I cannot provide ETA, because I don't know it. But you can escalate the issue through the support channel: http://www.redhat.com/support You should get ETA there.
Comment 20 errata-xmlrpc 2020-09-29 19:33:21 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (libwvstreams bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:3879