Bug 1639485
| Summary: | corrupted objects in Rust's libstd.rlib on armv7hl | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Josh Stone <jistone> |
| Component: | binutils | Assignee: | Nick Clifton <nickc> |
| Status: | CLOSED RAWHIDE | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | rawhide | CC: | aoliva, dvlasenk, fweimer, jakub, nickc, rust-sig |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2018-10-22 16:39:33 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: | |||
Hi Josh, I have updated the rawhide binutils so that nm will no longer complain about unknown section types. This patch *might* also fix the link problems, although I am having difficulty finding a machine to test this. Anyway, you may find that a scratch rebuild now works. Please give it a try if you have the time. Cheers Nick PS. The patched binutils is binutils-2.31.1-15.fc30 The new binutils can read the existing rlib without error, so I was hoping this would mean we're all set, but that rlib still doesn't link properly. Then I bootstrapped a whole new rust build (scratch), and this seems to be working! https://koji.fedoraproject.org/koji/taskinfo?taskID=30333239 I bootstrapped armv7hl in rust-1.29.2-4.fc30, and 5.fc30 is building now without bootstrap binaries. A few rust crates have since been built fine with 4.fc30, including a scratch build I just did of rust-syn which had first triggered the original problem. Thanks for the quick response, Nick! |
Description of problem: Builds using rust-1.29.2 are failing to find some backtrace symbols on armv7hl only. This appears to be some corruption of the objects in libstd.rlib (an "ar" archive). The same Rust version is fine on F29, and the prior 1.29.1 was also fine on rawhide. I'm not sure where the problem lies, so I'm just starting it on binutils. The compiler bootstrapped itself fine, and the %check results look typical, so I suspect the problem is something in post-install. Version-Release number of selected component (if applicable): A few that seem relevant, different from the prior build: annobin-8.53-1.fc30.armv7hl binutils-2.31.1-14.fc30.armv7hl rpm-4.14.2-7.fc30.armv7hl rust-1.29.2-3.fc30.armv7hl cargo-1.29.0-3.fc30.armv7hl How reproducible: 100% Steps to Reproduce: 1. cargo new hello 2. cd hello/ 3. cargo run Actual results: Compiling hello v0.1.0 (file:///tmp/hello) error: linking with `cc` failed: exit code: 1 | = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-L" "/usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib" "/tmp/hello/target/debug/deps/hello-7b8f6b0cd67c5190.1y16o1qfye96o7m0.rcgu.o" "/tmp/hello/target/debug/deps/hello-7b8f6b0cd67c5190.3rngp6bm2u2q5z0y.rcgu.o" "/tmp/hello/target/debug/deps/hello-7b8f6b0cd67c5190.4oc10dk278mpk1vy.rcgu.o" "/tmp/hello/target/debug/deps/hello-7b8f6b0cd67c5190.4xq48u46a1pwiqn7.rcgu.o" "/tmp/hello/target/debug/deps/hello-7b8f6b0cd67c5190.544l4wfz89vbhoea.rcgu.o" "/tmp/hello/target/debug/deps/hello-7b8f6b0cd67c5190.oa3rad818d8sgn4.rcgu.o" "-o" "/tmp/hello/target/debug/deps/hello-7b8f6b0cd67c5190" "/tmp/hello/target/debug/deps/hello-7b8f6b0cd67c5190.crate.allocator.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/tmp/hello/target/debug/deps" "-L" "/usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib" "-Wl,--start-group" "-Wl,-Bstatic" "/usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libstd-3c1ac0c18307a26c.rlib" "/usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libpanic_unwind-0cd8db65cd5cad8a.rlib" "/usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libunwind-af4f624361145583.rlib" "/usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/liballoc_system-23381d84007bc683.rlib" "/usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/liblibc-3742de2bfa3f3f57.rlib" "/usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/liballoc-ec50fb91ce9425e4.rlib" "/usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libcore-6957c9e80cf7e5a1.rlib" "-Wl,--end-group" "/usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libcompiler_builtins-362a06d915f1aff9.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" = note: /usr/bin/ld: /usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libstd-3c1ac0c18307a26c.rlib(std-3c1ac0c18307a26c.std6-dc336450c6219793961ba7e2856ac46a.rs.rcgu.o): in function `std::sys_common::gnu::libbacktrace::foreach_symbol_fileline': (.text._ZN3std10sys_common3gnu12libbacktrace23foreach_symbol_fileline17ha2c26b6688d38548E+0x1ac): undefined reference to `backtrace_create_state' /usr/bin/ld: (.text._ZN3std10sys_common3gnu12libbacktrace23foreach_symbol_fileline17ha2c26b6688d38548E+0x1f0): undefined reference to `backtrace_pcinfo' /usr/bin/ld: /usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libstd-3c1ac0c18307a26c.rlib(std-3c1ac0c18307a26c.std6-dc336450c6219793961ba7e2856ac46a.rs.rcgu.o): in function `std::sys_common::gnu::libbacktrace::resolve_symname': (.text._ZN3std10sys_common3gnu12libbacktrace15resolve_symname17hb530d56ed4464aa6E+0xa0): undefined reference to `backtrace_create_state' /usr/bin/ld: (.text._ZN3std10sys_common3gnu12libbacktrace15resolve_symname17hb530d56ed4464aa6E+0xdc): undefined reference to `backtrace_syminfo' /usr/bin/ld: /usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libstd-3c1ac0c18307a26c.rlib(std-3c1ac0c18307a26c.std6-dc336450c6219793961ba7e2856ac46a.rs.rcgu.o): in function `std::sys_common::gnu::libbacktrace::resolve_symname': (.text._ZN3std10sys_common3gnu12libbacktrace15resolve_symname17hef4dabc6efa56fd3E+0xa0): undefined reference to `backtrace_create_state' /usr/bin/ld: (.text._ZN3std10sys_common3gnu12libbacktrace15resolve_symname17hef4dabc6efa56fd3E+0xdc): undefined reference to `backtrace_syminfo' collect2: error: ld returned 1 exit status error: aborting due to previous error error: Could not compile `hello`. Expected results: Hello, world! Additional info: Using "nm" on the bad libstd.rlib shows errors that aren't present on the working builds. $ nm usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libstd-3c1ac0c18307a26c.rlib >/dev/null nm: usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libstd-3c1ac0c18307a26c.rlib(alloc.o): no group info for section .ARM.exidx.text.backtrace_alloc nm: usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libstd-3c1ac0c18307a26c.rlib(alloc.o): unknown type [0x70000001] section `.ARM.exidx.text.backtrace_alloc' nm: alloc.o: Bad value nm: usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libstd-3c1ac0c18307a26c.rlib(backtrace.o): no group info for section .ARM.exidx.text.unwind nm: usr/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libstd-3c1ac0c18307a26c.rlib(backtrace.o): unknown type [0x70000001] section `.ARM.exidx.text.unwind' nm: backtrace.o: Bad value ... Here are the Rust builds: GOOD rust-1.29.1-2.fc30: https://koji.fedoraproject.org/koji/buildinfo?buildID=1147651 BAD rust-1.29.2-3.fc30: https://koji.fedoraproject.org/koji/buildinfo?buildID=1152959 GOOD rust-1.29.2-3.fc29: https://koji.fedoraproject.org/koji/buildinfo?buildID=1153010 Buildroot differences that look significant: binutils 2.31.1-13.fc30 -> 2.31.1-14.fc30 annobin 8.41-1.fc30 -> 8.53-1.fc30 rpm 4.14.2-1.fc30 -> 4.14.2-7.fc30 Build that failed to use rustc on armv7hl: rust-syn-0.15.11-1.fc30: https://koji.fedoraproject.org/koji/taskinfo?taskID=30252014