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Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/2589.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/2589.toml | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2589.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2589.toml deleted file mode 100644 index 3dd816bc..00000000 --- a/gitlab/issues/target_missing/host_missing/accel_missing/2589.toml +++ /dev/null @@ -1,64 +0,0 @@ -id = 2589 -title = "Support guest shutdown of Alpine Linux in guest agent" -state = "opened" -created_at = "2024-09-25T10:04:34.136Z" -closed_at = "n/a" -labels = ["Guest Agent", "kind::Feature Request"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2589" -host-os = "n/a" -host-arch = "n/a" -qemu-version = "all" -guest-os = "Alpine Linux" -guest-arch = "all" -description = """The qemu-guest-agent's shutdown calls `/sbin/shutdown` with the apropriate flags to shut down a posix system. On Alpine Linux, which is based on busybox, there is no `/sbin/shutdown`, instead there are `/sbin/poweroff`, `/sbin/halt` and `/sbin/reboot`. We have used a downstream patch for years that will exec those as a fallback in case execing `/sbin/shutdown` fails. - -With qemu 9.2 this patch no longer applies and it is probably time to solve this properly in upstream qemu. - -The question is how? - -Some options: - -- Set the powerdown, halt and reboot commands via build time configure option -- Add a fallback if the `execlp` fails (similar to what downstream Alpine's patch does now). We could for example give `ga_run_command` a `const char **argv[]`, and try `execvp` all of them before erroring out. -- Test the existence of `/sbin/shutdown` before calling `ga_run_command`. -- Do nothing. Let downstream Alpine Linux handle it.""" -reproduce = """1. Build qemu-guest-agent for Alpine Linux -2. boot a Alpine linux VM and install the qemu-guest-agent -3. Try shutdown the VM via qmp command.""" -additional = """The patch that we previously used that no longer applies: -```diff -diff --git a/qga/commands-posix.c b/qga/commands-posix.c -index 954efed01..61427652c 100644 ---- a/qga/commands-posix.c -+++ b/qga/commands-posix.c -@@ -84,6 +84,7 @@ static void ga_wait_child(pid_t pid, int *status, Error **errp) - void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) - { - const char *shutdown_flag; -+ const char *fallback_cmd = NULL; - Error *local_err = NULL; - pid_t pid; - int status; -@@ -101,10 +102,13 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) - slog("guest-shutdown called, mode: %s", mode); - if (!has_mode || strcmp(mode, "powerdown") == 0) { - shutdown_flag = powerdown_flag; -+ fallback_cmd = "/sbin/poweroff"; - } else if (strcmp(mode, "halt") == 0) { - shutdown_flag = halt_flag; -+ fallback_cmd = "/sbin/halt"; - } else if (strcmp(mode, "reboot") == 0) { - shutdown_flag = reboot_flag; -+ fallback_cmd = "/sbin/reboot"; - } else { - error_setg(errp, - "mode is invalid (valid values are: halt|powerdown|reboot"); -@@ -125,6 +129,7 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) - #else - execl("/sbin/shutdown", "shutdown", "-h", shutdown_flag, "+0", - "hypervisor initiated shutdown", (char *)NULL); -+ execle(fallback_cmd, fallback_cmd, (char*)NULL, environ); - #endif - _exit(EXIT_FAILURE); - } else if (pid < 0) { -```""" |