diff --git a/src/ch/ch_driver.c b/src/ch/ch_driver.c
index 3cbc668489..53e0872207 100644
--- a/src/ch/ch_driver.c
+++ b/src/ch/ch_driver.c
@@ -1073,6 +1073,8 @@ chDomainHelperGetVcpus(virDomainObj *vm,
             if (virProcessGetStatInfo(&vcpuinfo->cpuTime,
                                       &vcpuinfo->cpu, NULL,
                                       vm->pid, vcpupid) < 0) {
+                virReportSystemError(errno, "%s",
+                                      _("cannot get vCPU placement & pCPU time"));
                 return -1;
             }
         }
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 83cc7a04ea..0a1ba74e65 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -1354,6 +1354,8 @@ qemuDomainHelperGetVcpus(virDomainObj *vm,
             if (virProcessGetStatInfo(&vcpuinfo->cpuTime,
                                       &vcpuinfo->cpu, NULL,
                                       vm->pid, vcpupid) < 0) {
+                virReportSystemError(errno, "%s",
+                                     _("cannot get vCPU placement & pCPU time"));
                 return -1;
             }
         }
@@ -2514,6 +2516,8 @@ qemuDomainGetInfo(virDomainPtr dom,
     if (virDomainObjIsActive(vm)) {
         if (virProcessGetStatInfo(&(info->cpuTime), NULL, NULL,
                                   vm->pid, 0) < 0) {
+            virReportError(VIR_ERR_OPERATION_FAILED, "%s",
+                           _("cannot read cputime for domain"));
             goto cleanup;
         }
     }
@@ -10513,7 +10517,8 @@ qemuDomainMemoryStatsInternal(virQEMUDriver *driver,
     }
 
     if (virProcessGetStatInfo(NULL, NULL, &rss, vm->pid, 0) < 0) {
-        virResetLastError();
+        virReportError(VIR_ERR_OPERATION_FAILED, "%s",
+                       _("cannot get RSS for domain"));
     } else {
         stats[ret].tag = VIR_DOMAIN_MEMORY_STAT_RSS;
         stats[ret].val = rss;
diff --git a/src/util/virprocess.c b/src/util/virprocess.c
index 85d8c8e747..b559a4257e 100644
--- a/src/util/virprocess.c
+++ b/src/util/virprocess.c
@@ -1784,10 +1784,7 @@ virProcessGetStatInfo(unsigned long long *cpuTime,
         virStrToLong_ullp(proc_stat[VIR_PROCESS_STAT_STIME], NULL, 10, &systime) < 0 ||
         virStrToLong_l(proc_stat[VIR_PROCESS_STAT_RSS], NULL, 10, &rss) < 0 ||
         virStrToLong_i(proc_stat[VIR_PROCESS_STAT_PROCESSOR], NULL, 10, &cpu) < 0) {
-        virReportError(VIR_ERR_INTERNAL_ERROR,
-                       _("cannot parse process status data for pid '%d/%d'"),
-                       (int) pid, (int) tid);
-        return -1;
+        VIR_WARN("cannot parse process status data");
     }
 
     /* We got jiffies
@@ -1884,8 +1881,7 @@ virProcessGetStatInfo(unsigned long long *cpuTime G_GNUC_UNUSED,
                       pid_t pid G_GNUC_UNUSED,
                       pid_t tid G_GNUC_UNUSED)
 {
-    virReportSystemError(ENOSYS, "%s",
-                         _("Process statistics data is not supported on this platform"));
+    errno = ENOSYS;
     return -1;
 }