This reverts commit 426fa8e4fe7bb914b5977cbce453a9926bf5b2e6.
The commit has caused two issues on Loongson 3A4000:
1. The timestamp in dmesg become erratic, like:
[3.736957] amdgpu 0000:04:00.0: ... ... [3.748895] [drm] Initialized amdgpu ... ... [18446744073.381141] amdgpu 0000:04:00:0: ... ... [1.613326] igb 0000:03:00.0 enp3s0: ... ...
2. More seriously, some workloads (for example, the test stdlib/test-cxa_atexit2 in the Glibc test suite) triggers an RCU stall and hang the system with a high probably (4 hangs out of 5 tests).
Revert this commit to use jiffie on Loongson MIPS systems and fix these issues for now. The root cause may need more investigation.
Cc: stable@vger.kernel.org # 6.11+ Cc: Jiaxun Yang jiaxun.yang@flygoat.com Cc: Icenowy Zheng icenowy@aosc.io Signed-off-by: Xi Ruoyao xry111@xry111.site --- arch/mips/Kconfig | 1 - 1 file changed, 1 deletion(-)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 467b10f4361a..5078ebf071ec 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1084,7 +1084,6 @@ config CSRC_IOASIC
config CSRC_R4K select CLOCKSOURCE_WATCHDOG if CPU_FREQ - select HAVE_UNSTABLE_SCHED_CLOCK if SMP && 64BIT bool
config CSRC_SB1250
在2024年12月23日十二月 上午9:20，Xi Ruoyao写道：
This reverts commit 426fa8e4fe7bb914b5977cbce453a9926bf5b2e6.
The commit has caused two issues on Loongson 3A4000:
The timestamp in dmesg become erratic, like:
[3.736957] amdgpu 0000:04:00.0: ... ... [3.748895] [drm] Initialized amdgpu ... ... [18446744073.381141] amdgpu 0000:04:00:0: ... ... [1.613326] igb 0000:03:00.0 enp3s0: ... ...
More seriously, some workloads (for example, the test stdlib/test-cxa_atexit2 in the Glibc test suite) triggers an RCU stall and hang the system with a high probably (4 hangs out of 5 tests).
Revert this commit to use jiffie on Loongson MIPS systems and fix these issues for now. The root cause may need more investigation.
Cc: stable@vger.kernel.org # 6.11+ Cc: Jiaxun Yang jiaxun.yang@flygoat.com Cc: Icenowy Zheng icenowy@aosc.io
Reviewed-by: Jiaxun Yang jiaxun.yang@flygoat.com
It's indeed problematic in some scenarios.
Let's revert for now.
Thanks - Jiaxun
Signed-off-by: Xi Ruoyao xry111@xry111.site
arch/mips/Kconfig | 1 - 1 file changed, 1 deletion(-)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 467b10f4361a..5078ebf071ec 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1084,7 +1084,6 @@ config CSRC_IOASIC
config CSRC_R4K select CLOCKSOURCE_WATCHDOG if CPU_FREQ
- select HAVE_UNSTABLE_SCHED_CLOCK if SMP && 64BIT bool
config CSRC_SB1250
2.47.1
On Mon, Dec 23, 2024 at 05:20:41PM +0800, Xi Ruoyao wrote:
This reverts commit 426fa8e4fe7bb914b5977cbce453a9926bf5b2e6.
The commit has caused two issues on Loongson 3A4000:
The timestamp in dmesg become erratic, like:
[3.736957] amdgpu 0000:04:00.0: ... ... [3.748895] [drm] Initialized amdgpu ... ... [18446744073.381141] amdgpu 0000:04:00:0: ... ... [1.613326] igb 0000:03:00.0 enp3s0: ... ...
More seriously, some workloads (for example, the test stdlib/test-cxa_atexit2 in the Glibc test suite) triggers an RCU stall and hang the system with a high probably (4 hangs out of 5 tests).
Revert this commit to use jiffie on Loongson MIPS systems and fix these issues for now. The root cause may need more investigation.
Cc: stable@vger.kernel.org # 6.11+ Cc: Jiaxun Yang jiaxun.yang@flygoat.com Cc: Icenowy Zheng icenowy@aosc.io Signed-off-by: Xi Ruoyao xry111@xry111.site
arch/mips/Kconfig | 1 - 1 file changed, 1 deletion(-)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 467b10f4361a..5078ebf071ec 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1084,7 +1084,6 @@ config CSRC_IOASIC config CSRC_R4K select CLOCKSOURCE_WATCHDOG if CPU_FREQ
- select HAVE_UNSTABLE_SCHED_CLOCK if SMP && 64BIT bool
config CSRC_SB1250 -- 2.47.1
applied to mips-next.
Thomas.
linux-stable-mirror@lists.linaro.org
-
Jiaxun Yang -
Thomas Bogendoerfer -
Xi Ruoyao