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authorChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
commit4b927bc37359dec23f67d3427fc982945f24f404 (patch)
tree245449ef9146942dc7fffd0235b48b7e70a00bf2 /gitlab/issues/target_arm/host_arm/accel_KVM
parentaa8bd79cec7bf6790ddb01d156c2ef2201abbaab (diff)
downloadqemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.tar.gz
qemu-analysis-4b927bc37359dec23f67d3427fc982945f24f404.zip
add gitlab issues in toml format
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-rw-r--r--gitlab/issues/target_arm/host_arm/accel_KVM/2551.toml21
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+id = 2551
+title = "RTC time could run slow 3s than host time when clock=vm & base=UTC"
+state = "opened"
+created_at = "2024-09-03T01:46:44.266Z"
+closed_at = "n/a"
+labels = ["accel: KVM", "host: arm", "target: arm"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/2551"
+host-os = "EulerOS"
+host-arch = "ARM"
+qemu-version = "QEMU emulator version 6.2.0 (qemu-6.2.0.oe2203sp1-2.12.0.5.399)"
+guest-os = "EulerOS"
+guest-arch = "ARM"
+description = """When start qemu with `-rtc base=utc,clock=vm`, sometime guest time can slower 3s than host. There's no problem (also didn't be noticed) as we often start ntp service, who will adjust our system time. But let's talk about if we havn't enable NTP service(for example system just booted)
+
+After inspect into the code, i found that there are two problem we should think about:
+#"""
+reproduce = """1. start vm with `-rtc base=utc,clock=vm`
+2. disable NTP (OS specific)`systemctl disable --now ntpd;systemctl disable --now ntpdate`
+3. reboot in the guest
+4. after guest started, compare guest time with host time(at the same time) `date +'%F %T.%3N'`"""
+additional = """"""