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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_missing/host_missing/accel_missing/1113 | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/1113')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/1113 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/1113 b/gitlab/issues_text/target_missing/host_missing/accel_missing/1113 new file mode 100644 index 000000000..cc38e8288 --- /dev/null +++ b/gitlab/issues_text/target_missing/host_missing/accel_missing/1113 @@ -0,0 +1,14 @@ +TMPDIR is not usable for snapshot-blockdevs, if not root +Description of problem: +for using static disk-content we're using `snapshot`-flag for certain disks and set `TMPDIR` to a VM-specific path. + +when started as root, all is ok. + +when started as non-root, `getenv(TMPDIR)` in function `get_tmp_filename()` in file `block.c` return `NULL`, because glibc handles `TMPDIR` as `UNSECURE_ENVVAR` (glibc-src: `sysdeps/generic/unsecvars.h`) + +well, we could compile qemu by ourself, but then we might miss important updates, so maybe this can be solved in main-source? + +possible solutions: +- additionally look at another var like `QEMU_TMPDIR`, if `getenv("TMPDIR")` results in `NULL` +- add a global option to qemu like `--tmpdir=...` +- add a device-specific option like `snapshotdir=...` |