0b48bdbaa5
This raises CONFIG_RCU_CPU_STALL_TIMEOUT from 21s to 60s and CONFIG_RCU_EXP_CPU_STALL_TIMEOUT from 20ms to 60ms (the value `0` means that it is set to the regular stall timeout divided by 1000). The original values caused frequent kernel logs of "rcu_preempt detected expedited stalls" while running CPU-intensive stuff like waydroid and caused such processes or others like Phosh to crash. The kernel defaults are 21 / 0 (21s / 21ms), though the config docs note that the latter is "normally 20ms on Android devices". For what it's worth, Debian 12's amd64 kernel uses the kernel defaults of 21 / 0 (21s / 21ms), while OpenSUSE TW's amd64 kernel uses 60 / 0 (60s / 60ms) just like this commit. Ref: #2980 |
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