diff options
Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/866.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/866.toml | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/866.toml b/gitlab/issues/target_missing/host_missing/accel_missing/866.toml deleted file mode 100644 index 77517513e..000000000 --- a/gitlab/issues/target_missing/host_missing/accel_missing/866.toml +++ /dev/null @@ -1,61 +0,0 @@ -id = 866 -title = "linux-user: substantial memory leak when threads are created and destroyed" -state = "closed" -created_at = "2022-02-11T03:11:59.674Z" -closed_at = "2023-02-04T19:12:11.704Z" -labels = ["Closed::Fixed", "linux-user"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/866" -host-os = "Fedora 35 Workstation, Windows 11 21H2 22000.469 WSL2" -host-arch = "x86_64" -qemu-version = "6.1.0-10.fc35, and on master@0a301624c2f4ced3331ffd5bce85b4274fe132af" -guest-os = "QEMU Linux User Mode Emulation" -guest-arch = "ARM" -description = """Substantial memory leak when the following simple program is executed on `qemu-arm`, -```c -// compile with `arm-none-linux-gnueabihf-gcc test_qemu.c -o test_qemu.out -pthread` - -#include <assert.h> -#include <pthread.h> - -#define MAGIC_RETURN ((void *)42) - -void *thread_main(void *arg) -{ - return MAGIC_RETURN; -} - -int main(int argc, char *argv[]) -{ - size_t i; - for (i = 0;; i++) - { - pthread_t thread; - assert(pthread_create(&thread, NULL, thread_main, NULL) == 0); - void *ret; - assert(pthread_join(thread, &ret) == 0); - assert(ret == MAGIC_RETURN); - } - - return 0; -} -```""" -reproduce = """1. -``` -export TOOLCHAIN_PREFIX=arm-none-linux-gnueabihf -export ARMSDK=/${TOOLCHAIN_PREFIX} -export SYSROOT=${ARMSDK}/${TOOLCHAIN_PREFIX}/libc -export CC=${ARMSDK}/bin/${TOOLCHAIN_PREFIX}-gcc -``` -2. Download the arm toolchain: `curl --output ${TOOLCHAIN_PREFIX}.tar.xz -L 'https://developer.arm.com/-/media/Files/downloads/gnu-a/10.2-2020.11/binrel/gcc-arm-10.2-2020.11-x86_64-arm-none-linux-gnueabihf.tar.xz?revision=d0b90559-3960-4e4b-9297-7ddbc3e52783&la=en&hash=985078B758BC782BC338DB947347107FBCF8EF6B'` -3. `mkdir -p ${ARMSDK} && tar xf ${TOOLCHAIN_PREFIX}.tar.xz -C ${ARMSDK} --strip-components=1` -4. `$CC test_qemu.c -o test_qemu.out -pthread` -5. `qemu-arm -L $SYSROOT ./test_qemu.out` -6. Observe memory usage keeps ramping up and crashes the process once out of memory.""" -additional = """Valgrind annotation logs [annot.log](/uploads/f8d05d8f216d5a589e8da0758a345de6/annot.log) generated by a local build on master@0a301624c2f4ced3331ffd5bce85b4274fe132af from -```bash -valgrind --xtree-memory=full --xtree-memory-file=xtmemory.kcg bin/debug/native/qemu-arm -L $SYSROOT /mnt/f/test_qemu3.out -# Send CTRL-C before the process crashes due to oom -callgrind_annotate --auto=yes --inclusive=yes --sort=curB:100,curBk:100,totB:100,totBk:100,totFdB:100,totFdBk:100 xtmemory.kcg > annot.log -``` - -#""" |