Hi,
We recently set up a 9300 stack (3 switches) and all has been fine. Recently however whilst on the switch it keeps reporting the following kernal messages every 30 seconds or so, can anyone shed some light?
*Jun 29 11:55:13.608: %IOSXE-3-PLATFORM: Switch 2 R0/0: kernel: INFO: rcu_sched self-detected stall on CPU
*Jun 29 11:55:13.608: %IOSXE-3-PLATFORM: Switch 2 R0/0: kernel: INFO: rcu_sched self-detected stall on CPU
*Jun 29 11:55:13.608: %IOSXE-3-PLATFORM: Switch 2 R0/0: kernel: ^I2-...: (1 GPs behind) idle=ddd/2/0 softirq=12597740/12597741 fqs=170140
*Jun 29 11:55:13.608: %IOSXE-3-PLATFORM: Switch 2 R0/0: kernel: ^I (t=525024 jiffies g=2182353 c=2182352 q=228949)
*Jun 29 11:55:13.608: %IOSXE-4-PLATFORM: Switch 2 R0/0: kernel: ffffffff81a2df40 ffff88023fc83c70 ffffffff81097244 0000000000000002
*Jun 29 11:55:13.608: %IOSXE-4-PLATFORM: Switch 2 R0/0: kernel: ffffffff81a2df40 ffff88023fc83c88 ffffffff81099452 0000000000000003
*Jun 29 11:55:13.608: %IOSXE-4-PLATFORM: Switch 2 R0/0: kernel: ffff88023fc83cb8 ffffffff810bd619 ffff88023fc94f80 ffffffff81a2df40
*Jun 29 11:55:13.608: %IOSXE-4-PLATFORM: Switch 2 R0/0: kernel: Call Trace:
*Jun 29 11:55:13.608: %IOSXE-4-PLATFORM: Switch 2 R0/0: kernel: <IRQ> [<ffffffff81097244>] sched_show_task+0xa4/0x100
*Jun 29 11:55:13.608: %IOSXE-4-PLATFORM: Switch 2 R0/0: kernel: [<ffffffff81099452>] dump_cpu_task+0x32/0x40
*Jun 29 11:55:13.608: %IOSXE-4-PLATFORM: Switch 2 R0/0: kernel: [<ffffffff810bd619>] rcu_dump_cpu_stacks+0x89/0xe0
*Jun 29 11:55:13.608: %IOSXE-4-PLATFORM: Switch 2 R0/0: kernel: [<ffffffff810c0d59>] rcu_check_callbacks+0x439/0x750
*Jun 29 11:55:13.608: %IOSXE-4-PLATFORM: Switch 2 R0/0: kernel: [<ffffffff81099944>] ? sched_clock_cpu+0x94/0xa0
*Jun 29 11:55:13.608: %IOSXE-4-PLATFORM: Switch 2 R0/0: kernel: [<ffffffff810c385c>] update_process_times+0xac/0xe0
*Jun 29 11:55:13.608: %IOSXE-3-PLATFORM: Switch 2 R0/0: kernel: ^I6-...: (1 GPs behind) idle=309/2/0 softirq=20071489/20071490 fqs=170140
*Jun 29 11:55:13.608: %IOSXE-3-PLATFORM: Switch 2 R0/0: kernel: ^I (t=525024 jiffies g=2182353 c=2182352 q=228949)Open
