Bug 428080
Summary: | Segmentation fault of wvdial after modem init | ||
---|---|---|---|
Product: | [Fedora] Fedora | Reporter: | denis ivanov <youonly> |
Component: | wvdial | Assignee: | Ondrej Vasik <ovasik> |
Status: | CLOSED INSUFFICIENT_DATA | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
Severity: | high | Docs Contact: | |
Priority: | low | ||
Version: | 9 | ||
Target Milestone: | --- | ||
Target Release: | --- | ||
Hardware: | i386 | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | Bug Fix | |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2008-06-08 02:25:23 UTC | Type: | --- |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: |
Description
denis ivanov
2008-01-09 03:36:36 UTC
Installed debuginfo packages. (gdb) bt #0 0x0049682f in makecontext () from /lib/libc.so.6 #1 0x003bce4c in WvTaskMan::do_task () at utils/wvtask.cc:513 #2 0x003bd08e in WvTaskMan::_stackmaster () at utils/wvtask.cc:429 #3 0x003bd155 in WvTaskMan::stackmaster () at utils/wvtask.cc:386 #4 0x003bcb6f in WvTaskMan::run (task=@0x124db0, val=3836322) at utils/wvtask.cc:270 Backtrace stopped: previous frame inner to this frame (corrupt stack?) Don't knot why "Backstrace stopped"... Some more backtraces (after manual configure/make install of same version of libwvstreams). glibc problem ? #0 0x004b882f in makecontext () from /lib/libc.so.6 #1 0x003e9d57 in WvTaskMan::do_task () at utils/wvtask.cc:513 #2 0x003e9f5e in WvTaskMan::_stackmaster () at utils/wvtask.cc:429 #3 0x003ea03e in WvTaskMan::stackmaster () at utils/wvtask.cc:386 #4 0x091423d8 in ?? () #5 0x091423d8 in ?? () #6 0x004b87ab in setcontext () from /lib/libc.so.6 #7 0x003e9ac5 in WvTaskMan::run (task=@0x91423d8, val=1) at utils/wvtask.cc:270 #8 0x003de989 in WvCont::_call (data=0x913f9d0) at utils/wvcont.cc:176 #9 0x003debba in WvCont::operator() (this=0x91403a4, p1=0x0) at ./include/wvcont.h:54 #10 0x003f3801 in WvStream::callback (this=0xbf845480) at ./include/wvcallback.h:433 #11 0x0804ccb1 in main (argc=3, argv=0xbf846344) at wvdial.cc:229 #12 0x004944a0 in __libc_start_main () from /lib/libc.so.6 #13 0x0804bd61 in _start () Thanks for report, I'm not sure yet what is responsible. So - wvdial is crashes with rawhide glibc, libwvstreams and wvdial ... and is not with F8 glibc, libwvstreams and wvdial ... correct? There is only one difference between wvdial/libwvstreams in rawhide and F8 - rebuild for new openssl ... Yeah seems right, but back to F8's wvdial/libwvstreams resulting the same problem. And openssl is from rawhide, correct? This could be the reason why F8 packages are not working. And maybe glibc - anyway wvdial/libwvstreams needs more code improvements in RAWHIDE because of coming gcc 4.3 which I have to do soon (build failures with gcc4.3 because change of header handling) - so I will try to have them asap to see if something will change. Could be glibc problem, but more probably is the problem hidden in libwvstreams code and shown by latest glibc. 1) Yeah openssl from rawhide, but just now tried with F8 openssl (just removed rawhide rpm and temporary installed F8' one) - the same problem 2) Found the way how to easy 100% reproduce problem on F8 system: Logged into F8 system. Copies libc-2.7.90.so from rawhide to /lib/, make symlink libc-2.7.90.so to libc.so.6 and run wvdial. The same Segfault as result! How to solve it temporary: 1) copy /lib/libc-2.7.so from f8 to /lib/libc.so.X on rawhide 2) change one byte on wvdial binary (libc.so.6 -> libc.so.X) 3) now it works ;) Seems the problem located in some of libwvstreams/glibc conflict. Great, I will try to fix gcc4.3 objections in libwvstreams and wvdial and then you may try if the problem is solved - because I think it could be related to some late gcc/glibc purification changes - and some parts of libwvstreams/wvdial code are using code constructions now marked as obsolete. (sa_restorer was only one obsolete thing fixed so far) I did required changes for gcc4.3 in libwvstreams, could you please check the problem with following latest rawhide packages? wvdial-1.60-4.fc9 libwvstreams-4.4.1-4.fc9 glibc-2.7.90-6 Please let me know if those packages work together without that workaround ... I think they should, but one can't be sure without confirmation. TIA. Changing version to '9' as part of upcoming Fedora 9 GA. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping Since there are insufficient details provided in this report for us to investigate the issue further, and we have not received feedback to the information we have requested above, we will assume the problem was not reproducible, or has been fixed in one of the updates we have released for the reporter's distribution. Users who have experienced this problem are encouraged to upgrade to the latest update of their distribution, and if this issue turns out to still be reproducible in the latest update, please reopen this bug with additional information. Closing as INSUFFICIENT_DATA. |