Bug 587576
| Summary: | Cannot find new threads error when debugging programs that dlopen libraries. | ||||||
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| Product: | [Fedora] Fedora | Reporter: | Tomas Mraz <tmraz> | ||||
| Component: | gdb | Assignee: | Jan Kratochvil <jan.kratochvil> | ||||
| Status: | CLOSED DUPLICATE | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
| Severity: | medium | Docs Contact: | |||||
| Priority: | low | ||||||
| Version: | 13 | CC: | jan.kratochvil, pmuldoon | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | x86_64 | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2010-04-30 10:07:51 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: | |||||||
| Attachments: |
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gdb version: gdb-7.1-16.fc13.x86_64 Bug 179072 Comment 13 reproduces this specific problem. *** This bug has been marked as a duplicate of bug 179072 *** |
Created attachment 410354 [details] Test source Description of problem: I'm trying to Version-Release number of selected component (if applicable): How reproducible: 100% in F13 virtual machine hosted on F11 host. Steps to Reproduce: 1. compile the attached program with make test CFLAGS='-g -O2' LDFLAGS='-lcrypto -g' 2. set breakpoint to main() 3. use next command to step over the FIPS_mode_set call Actual results: gdb prints: (gdb) n [Thread debugging using libthread_db enabled] Cannot find new threads: generic error Expected results: to be able to continue debugging Additional info: You need to have undone prelink on libcrypto and libssl libraries. These libraries are dlopened during the FIPS_mode_set() call. The libcrypto is also DT_NEEDED so it does not cause anything during the dlopen() but when the libssl is dlopened it will break the debugging.