system/easy-kernel (4.14.88-mc13): random stalls in MuQSS
Bugzilla ID | 100 |
Reporter | Max Rees (sroracle) |
Assignee | Horst Burkhardt (mc68030) |
Reported | 2019-05-28 00:49:00 -0500 |
Modified | 2020-09-19 00:34:22 -0500 |
Status | RESOLVED INVALID |
Version | 1.0-BETA3 |
Hardware | Adélie Linux / PowerPC (64-bit) |
Importance | --- / normal |
Description
Created attachment 14
/proc/cpuinfo
At random intervals I get notices such as the following in dmesg after the computer (Power Mac G5) locks up for several seconds (if not longer):
[May28 01:17] INFO: rcu_sched detected stalls on CPUs/tasks:
[ +0.000010] 1-...: (1 GPs behind) idle=ffa/1/0 softirq=38868/38868 fqs=1050
[ +0.000001] (detected by 0, t=2102 jiffies, g=15798, c=15797, q=3)
[ +0.000004] Task dump for CPU 1:
[ +0.000002] MuQSS/1 R running task 0 0 1 0x00000804
[ +0.000005] Call Trace:
[ +0.000005] [c0000001a6d5b950] [c0000001a6d5b9f0] 0xc0000001a6d5b9f0 (unreliable)
[ +0.000010] [c0000001a6d5bb20] [c00000000001b6e8] .arch_cpu_idle+0x48/0x150
[ +0.000006] [c0000001a6d5bba0] [c0000000001617c4] .get_next_timer_interrupt+0xb4/0x240
[ +0.000005] [c0000001a6d5bc40] [c000000000178234] .__tick_nohz_idle_enter+0x4a4/0x590
[ +0.000006] [c0000001a6d5bd10] [c000000000af92c4] .default_idle_call+0x64/0x78
[ +0.000005] [c0000001a6d5bd80] [c000000000124024] .do_idle+0x2b4/0x350
[ +0.000004] [c0000001a6d5be30] [c0000000001242c8] .cpu_startup_entry+0x28/0x40
[ +0.000005] [c0000001a6d5bea0] [c00000000003fde8] .start_secondary+0x4e8/0x540
[ +0.000005] [c0000001a6d5bf90] [c00000000000b5fc] start_secondary_prolog+0x10/0x14
I'm not doing anything more strenuous than using ssh over ethernet.