On Tue, 2023-08-22 at 23:01 +0100, Richard Purdie via
lists.openembedded.org wrote:
> so the commands are stopping mid flow for unknown reasons or the ssh
> connection fails. I can't tell if this coincides with an rcu stall or
> not. Both logs do have rcu stalls in.
> 
> After these failures the system does continue to otherwise work
> normally and subsequent tests pass.
> 
> I wonder if the slow emulation might be causing the networking to
> glitch and break the ssh connection.
> 
> I'm at a bit of a loss on where from here. 

I thought I'd update the thread with new information.

I went back to the start with this and looked again and what is going
on. Interestingly, I found one of the autobuilder workers would
consistently fail the qemuppc-alt configuration for core-image-sato-
sdk. I paused the worker and experimented.

I saw two different failures (included below). One shows systemd-udevd
timing out on it's watchdog after 3 minutes and resetting, including
taking out an ssh session running the cpio configure command. There was
no RCU stall reported.

The second failure shows systemd-logind as well as systemd-udevd with
the 3 minute time out, the kernel complaining about missed IRQs, an RCU
stall and lots of breakage following including cut ssh commands.

I could not get the cpio build test to complete.

Interestingly, I came back to the same image/worker later this evening
and now it all works fine. The difference is earlier there was a world
build running on the worker, which continued to wind down even after I
paused the worker. By the evening, that background load was no longer
present and the ppc image works in isolation. This tells us the issue
is system load dependent and only occurs on loaded systems.

I suspect I need to replicate the load and retry locally, see if I can
reliably reproduce the hang. The watchdog won't be present on sysvinit
systems which also show the issues but I'd guess there is still some
other starvation/timeout occurring.

Cheers,

Richard

Aug 23 13:23:01 qemuppc systemd[1]: 
sshd@4-192.168.7.4:22-192.168.7.3:59946.service: Deactivated successfully.
Aug 23 13:23:01 qemuppc systemd-logind[200]: Session c6 logged out. Waiting for 
processes to exit.
Aug 23 13:23:01 qemuppc systemd[1]: Started OpenSSH Per-Connection Daemon 
(192.168.7.3:45940).
Aug 23 13:23:02 qemuppc systemd-logind[200]: Removed session c6.
Aug 23 13:23:03 qemuppc systemd-logind[200]: New session c7 of user root.
Aug 23 13:23:03 qemuppc systemd[1]: Started Session c7 of User root.
Aug 23 13:24:51 qemuppc systemd-journald[114]: Forwarding to syslog missed 20 
messages.
Aug 23 13:29:32 qemuppc systemd[1]: systemd-udevd.service: Watchdog timeout 
(limit 3min)!
Aug 23 13:29:32 qemuppc systemd-journald[114]: Forwarding to syslog missed 1 
messages.
Aug 23 13:29:32 qemuppc systemd[1]: systemd-udevd.service: Killing process 149 
(systemd-udevd) with signal SIGABRT.
Aug 23 13:29:32 qemuppc systemd[1]: systemd-udevd.service: Main process exited, 
code=dumped, status=6/ABRT
Aug 23 13:29:32 qemuppc systemd[1]: systemd-udevd.service: Failed with result 
'watchdog'.
Aug 23 13:29:33 qemuppc systemd[1]: systemd-udevd.service: Scheduled restart 
job, restart counter is at 1.
Aug 23 13:29:34 qemuppc systemd[1]: Starting Rule-based Manager for Device 
Events and Files...
Aug 23 13:29:36 qemuppc systemd[1]: 
sshd@5-192.168.7.4:22-192.168.7.3:45940.service: Deactivated successfully.
Aug 23 13:29:36 qemuppc systemd-logind[200]: Session c7 logged out. Waiting for 
processes to exit.
Aug 23 13:29:37 qemuppc systemd-udevd[928]: Using default interface naming 
scheme 'v253'.


Aug 23 14:26:19 qemuppc systemd[1]: Started OpenSSH Per-Connection Daemon 
(192.168.7.3:56494).
Aug 23 14:26:19 qemuppc systemd-journald[114]: Forwarding to syslog missed 23 
messages.
Aug 23 14:26:26 qemuppc systemd-logind[200]: New session c8 of user root.
Aug 23 14:26:26 qemuppc systemd[1]: Started Session c8 of User root.
Aug 23 14:27:24 qemuppc systemd-journald[114]: Forwarding to syslog missed 2 
messages.
Aug 23 14:31:51 qemuppc kernel: rcu: INFO: rcu_preempt self-detected stall on 
CPU
Aug 23 14:31:51 qemuppc kernel: rcu:         0-...!: (1 ticks this GP) 
idle=1a5c/1/0x40000004 softirq=34160/34160 fqs=0
Aug 23 14:31:51 qemuppc kernel:         (t=32552 jiffies g=73185 q=1 ncpus=1)
Aug 23 14:31:52 qemuppc kernel: rcu: rcu_preempt kthread timer wakeup didn't 
happen for 32551 jiffies! g73185 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
Aug 23 14:31:52 qemuppc kernel: rcu:         Possible timer handling issue on 
cpu=0 timer-softirq=26141
Aug 23 14:31:52 qemuppc kernel: rcu: rcu_preempt kthread starved for 32552 
jiffies! g73185 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
Aug 23 14:31:52 qemuppc kernel: rcu:         Unless rcu_preempt kthread gets 
sufficient CPU time, OOM is now expected behavior.
Aug 23 14:31:52 qemuppc kernel: rcu: RCU grace-period kthread stack dump:
Aug 23 14:31:52 qemuppc kernel: task:rcu_preempt     state:I stack:0     pid:16 
   ppid:2      flags:0x00000800
Aug 23 14:31:52 qemuppc kernel: Call Trace:
Aug 23 14:31:52 qemuppc kernel: [f1051cd0] [67bf4a72] 0x67bf4a72 (unreliable)
Aug 23 14:31:52 qemuppc kernel: [f1051da0] [c0d84cc4] __schedule+0x378/0x890
Aug 23 14:31:52 qemuppc kernel: [f1051df0] [c0d85244] schedule+0x68/0x118
Aug 23 14:31:52 qemuppc kernel: [f1051e10] [c0d8c678] 
schedule_timeout+0xb0/0x17c
Aug 23 14:31:52 qemuppc kernel: [f1051e50] [c00d4d84] 
rcu_gp_fqs_loop+0x4cc/0x6ac
Aug 23 14:31:52 qemuppc kernel: [f1051eb0] [c00d859c] rcu_gp_kthread+0x238/0x284
Aug 23 14:31:52 qemuppc kernel: [f1051f00] [c008a4d0] kthread+0xfc/0x114
Aug 23 14:31:52 qemuppc kernel: [f1051f30] [c001c338] 
ret_from_kernel_thread+0x5c/0x64
Aug 23 14:31:52 qemuppc kernel: rcu: Stack dump where RCU GP kthread last ran:
Aug 23 14:31:52 qemuppc kernel: CPU: 0 PID: 792 Comm: as Not tainted 
6.1.46-yocto-standard #1
Aug 23 14:31:52 qemuppc kernel: Hardware name: PowerMac3,1 7400 0xc0209 PowerMac
Aug 23 14:31:52 qemuppc kernel: NIP:  c0d8d9b4 LR: c0d8d9a4 CTR: c003d7ec
Aug 23 14:31:52 qemuppc kernel: REGS: f1005ec0 TRAP: 0900   Not tainted  
(6.1.46-yocto-standard)
Aug 23 14:31:52 qemuppc kernel: MSR:  00009032 <EE,ME,IR,DR,RI>  CR: 48f74f32  
XER: 20000000
Aug 23 14:31:52 qemuppc kernel: 
                                GPR00: c0d8d95c f1005f80 c2e36c00 00000000 
00000001 0000003f 000039ff 00000000 
                                GPR08: 00000000 00009032 00000100 c15ecab8 
28f75f32 101df7bc c157abf8 c16c0000 
                                GPR16: 000039ff c105bd2c 00000000 0000000a 
c1575840 c105bd78 c0fe710c c1583570 
                                GPR24: c16f70a0 a7e3fa28 00000000 c16adba0 
a7e3fa60 00000008 00000000 f1005ff0 
Aug 23 14:31:52 qemuppc kernel: NIP [c0d8d9b4] __do_softirq+0xfc/0x394
Aug 23 14:31:52 qemuppc kernel: LR [c0d8d9a4] __do_softirq+0xec/0x394
Aug 23 14:31:52 qemuppc kernel: Call Trace:
Aug 23 14:31:52 qemuppc kernel: [f1005f80] [c0d8d95c] __do_softirq+0xa4/0x394 
(unreliable)
Aug 23 14:31:52 qemuppc kernel: [f1005ff0] [c000ac2c] 
do_softirq_own_stack+0x3c/0x54
Aug 23 14:31:52 qemuppc kernel: [f2f75ef0] [a7e2e000] 0xa7e2e000
Aug 23 14:31:53 qemuppc kernel: [f2f75f10] [c00641b8] irq_exit+0xe4/0x144
Aug 23 14:31:53 qemuppc kernel: [f2f75f30] [c00045b4] 
HardwareInterrupt_virt+0x108/0x10c
Aug 23 14:31:53 qemuppc kernel: --- interrupt: 500 at 0xa7e0d668
Aug 23 14:31:53 qemuppc kernel: NIP:  a7e0d668 LR: a7e0d580 CTR: 00000000
Aug 23 14:31:53 qemuppc kernel: REGS: f2f75f40 TRAP: 0500   Not tainted  
(6.1.46-yocto-standard)
Aug 23 14:31:53 qemuppc kernel: MSR:  0000d032 <EE,PR,ME,IR,DR,RI>  CR: 
48000288  XER: 20000000
Aug 23 14:31:53 qemuppc kernel: 
                                GPR00: a7e0d580 afe57610 00000000 fffffffc 
70000027 a7e32000 6fffffff a7e2e020 
                                GPR08: fffffef5 6ffffef5 a7e33b44 40ef66fa 
40ef63c7 101df7bc a7e3dfe0 00000000 
                                GPR16: a7e3f954 a7e3f008 a7e3dff0 afe5778c 
afe57ca4 00001000 00000010 00000000 
                                GPR24: 10000034 a7e3fa28 00000000 00000001 
a7e3fa60 a7e2e000 a7e3eff0 afe57610 
Aug 23 14:31:53 qemuppc kernel: NIP [a7e0d668] 0xa7e0d668
Aug 23 14:31:53 qemuppc kernel: LR [a7e0d580] 0xa7e0d580
Aug 23 14:31:53 qemuppc kernel: --- interrupt: 500
Aug 23 14:31:53 qemuppc kernel: Instruction dump:
Aug 23 14:31:53 qemuppc kernel: 3b1870a0 3ad6710c 3af73570 3b7bdba0 3a60000a 
3a400000 7e238b78 4bff6f11 
Aug 23 14:31:53 qemuppc kernel: 92540000 7d2000a6 61298000 7d200124 <7ffd00d0> 
7fbff838 7fff0034 23ff0020 
Aug 23 14:31:53 qemuppc kernel: CPU: 0 PID: 792 Comm: as Not tainted 
6.1.46-yocto-standard #1
Aug 23 14:31:53 qemuppc kernel: Hardware name: PowerMac3,1 7400 0xc0209 PowerMac
Aug 23 14:31:53 qemuppc kernel: NIP:  c0d8d9b4 LR: c0d8d9a4 CTR: c003d7ec
Aug 23 14:31:53 qemuppc kernel: REGS: f1005ec0 TRAP: 0900   Not tainted  
(6.1.46-yocto-standard)
Aug 23 14:31:53 qemuppc kernel: MSR:  00009032 <EE,ME,IR,DR,RI>  CR: 48f74f32  
XER: 20000000
Aug 23 14:31:53 qemuppc kernel: 
                                GPR00: c0d8d95c f1005f80 c2e36c00 00000000 
00000001 0000003f 000039ff 00000000 
                                GPR08: 00000000 00009032 00000100 c15ecab8 
28f75f32 101df7bc c157abf8 c16c0000 
                                GPR16: 000039ff c105bd2c 00000000 0000000a 
c1575840 c105bd78 c0fe710c c1583570 
                                GPR24: c16f70a0 a7e3fa28 00000000 c16adba0 
a7e3fa60 00000008 00000000 f1005ff0 
Aug 23 14:31:53 qemuppc kernel: NIP [c0d8d9b4] __do_softirq+0xfc/0x394
Aug 23 14:31:53 qemuppc kernel: LR [c0d8d9a4] __do_softirq+0xec/0x394
Aug 23 14:31:54 qemuppc kernel: Call Trace:
Aug 23 14:31:54 qemuppc kernel: [f1005f80] [c0d8d95c] __do_softirq+0xa4/0x394 
(unreliable)
Aug 23 14:31:54 qemuppc kernel: [f1005ff0] [c000ac2c] 
do_softirq_own_stack+0x3c/0x54
Aug 23 14:31:54 qemuppc kernel: [f2f75ef0] [a7e2e000] 0xa7e2e000
Aug 23 14:31:54 qemuppc kernel: [f2f75f10] [c00641b8] irq_exit+0xe4/0x144
Aug 23 14:31:54 qemuppc kernel: [f2f75f30] [c00045b4] 
HardwareInterrupt_virt+0x108/0x10c
Aug 23 14:31:54 qemuppc kernel: --- interrupt: 500 at 0xa7e0d668
Aug 23 14:31:54 qemuppc kernel: NIP:  a7e0d668 LR: a7e0d580 CTR: 00000000
Aug 23 14:31:54 qemuppc kernel: REGS: f2f75f40 TRAP: 0500   Not tainted  
(6.1.46-yocto-standard)
Aug 23 14:31:54 qemuppc kernel: MSR:  0000d032 <EE,PR,ME,IR,DR,RI>  CR: 
48000288  XER: 20000000
Aug 23 14:31:54 qemuppc kernel: 
                                GPR00: a7e0d580 afe57610 00000000 fffffffc 
70000027 a7e32000 6fffffff a7e2e020 
                                GPR08: fffffef5 6ffffef5 a7e33b44 40ef66fa 
40ef63c7 101df7bc a7e3dfe0 00000000 
                                GPR16: a7e3f954 a7e3f008 a7e3dff0 afe5778c 
afe57ca4 00001000 00000010 00000000 
                                GPR24: 10000034 a7e3fa28 00000000 00000001 
a7e3fa60 a7e2e000 a7e3eff0 afe57610 
Aug 23 14:31:54 qemuppc kernel: NIP [a7e0d668] 0xa7e0d668
Aug 23 14:31:54 qemuppc kernel: LR [a7e0d580] 0xa7e0d580
Aug 23 14:31:54 qemuppc kernel: --- interrupt: 500
Aug 23 14:31:54 qemuppc kernel: Instruction dump:
Aug 23 14:31:54 qemuppc kernel: 3b1870a0 3ad6710c 3af73570 3b7bdba0 3a60000a 
3a400000 7e238b78 4bff6f11 
Aug 23 14:31:54 qemuppc kernel: 92540000 7d2000a6 61298000 7d200124 <7ffd00d0> 
7fbff838 7fff0034 23ff0020 
Aug 23 14:31:54 qemuppc kernel: irq 37: nobody cared (try booting with the 
"irqpoll" option)
Aug 23 14:31:54 qemuppc kernel: CPU: 0 PID: 792 Comm: as Not tainted 
6.1.46-yocto-standard #1
Aug 23 14:31:54 qemuppc kernel: Hardware name: PowerMac3,1 7400 0xc0209 PowerMac
Aug 23 14:31:54 qemuppc kernel: Call Trace:
Aug 23 14:31:54 qemuppc kernel: [f1005d50] [c0d54a9c] dump_stack_lvl+0x34/0x50 
(unreliable)
Aug 23 14:31:54 qemuppc kernel: [f1005d70] [c00c0e84] 
__report_bad_irq+0x50/0x138
Aug 23 14:31:54 qemuppc kernel: [f1005da0] [c00c0d9c] note_interrupt+0x344/0x398
Aug 23 14:31:54 qemuppc kernel: [f1005df0] [c00bcfc8] handle_irq_event+0xb4/0xfc
Aug 23 14:31:54 qemuppc kernel: [f1005e10] [c00c1e74] 
handle_fasteoi_irq+0xc0/0x29c
Aug 23 14:31:54 qemuppc kernel: [f1005e30] [c00bb554] 
generic_handle_irq+0x40/0x5c
Aug 23 14:31:54 qemuppc kernel: [f1005e40] [c000a660] __do_irq+0x48/0x140
Aug 23 14:31:54 qemuppc kernel: [f1005e60] [c000aaa8] __do_IRQ+0xe0/0x11c
Aug 23 14:31:54 qemuppc kernel: [f1005e90] [c000ab18] do_IRQ+0x34/0x10c
Aug 23 14:31:54 qemuppc kernel: [f1005eb0] [c00045b4] 
HardwareInterrupt_virt+0x108/0x10c
Aug 23 14:31:54 qemuppc kernel: --- interrupt: 500 at __do_softirq+0xfc/0x394
Aug 23 14:31:54 qemuppc kernel: NIP:  c0d8d9b4 LR: c0d8d9a4 CTR: c003d7ec
Aug 23 14:31:54 qemuppc kernel: REGS: f1005ec0 TRAP: 0500   Not tainted  
(6.1.46-yocto-standard)
Aug 23 14:31:54 qemuppc kernel: MSR:  00009032 <EE,ME,IR,DR,RI>  CR: 48f74f32  
XER: 20000000
Aug 23 14:31:54 qemuppc kernel: 
                                GPR00: c0d8d95c f1005f80 c2e36c00 00000000 
00000001 0000003f 000039ff 00000000 
                                GPR08: 00000000 00009032 00000100 c15ecab8 
28f75f32 101df7bc c157abf8 c16c0000 
                                GPR16: 000039ff c105bd2c 00000000 0000000a 
c1575840 c105bd78 c0fe710c c1583570 
                                GPR24: c16f70a0 a7e3fa28 00000000 c16adba0 
a7e3fa60 00000008 00000000 f1005ff0 
Aug 23 14:31:54 qemuppc kernel: NIP [c0d8d9b4] __do_softirq+0xfc/0x394
Aug 23 14:31:54 qemuppc kernel: LR [c0d8d9a4] __do_softirq+0xec/0x394
Aug 23 14:31:54 qemuppc kernel: --- interrupt: 500
Aug 23 14:31:54 qemuppc kernel: [f1005f80] [c0d8d95c] __do_softirq+0xa4/0x394 
(unreliable)
Aug 23 14:31:54 qemuppc kernel: [f1005ff0] [c000ac2c] 
do_softirq_own_stack+0x3c/0x54
Aug 23 14:31:54 qemuppc kernel: [f2f75ef0] [a7e2e000] 0xa7e2e000
Aug 23 14:31:54 qemuppc kernel: [f2f75f10] [c00641b8] irq_exit+0xe4/0x144
Aug 23 14:31:55 qemuppc kernel: [f2f75f30] [c00045b4] 
HardwareInterrupt_virt+0x108/0x10c
Aug 23 14:31:55 qemuppc kernel: --- interrupt: 500 at 0xa7e0d668
Aug 23 14:31:55 qemuppc kernel: NIP:  a7e0d668 LR: a7e0d580 CTR: 00000000
Aug 23 14:31:55 qemuppc kernel: REGS: f2f75f40 TRAP: 0500   Not tainted  
(6.1.46-yocto-standard)
Aug 23 14:31:55 qemuppc kernel: MSR:  0000d032 <EE,PR,ME,IR,DR,RI>  CR: 
48000288  XER: 20000000
Aug 23 14:31:55 qemuppc kernel: 
                                GPR00: a7e0d580 afe57610 00000000 fffffffc 
70000027 a7e32000 6fffffff a7e2e020 
                                GPR08: fffffef5 6ffffef5 a7e33b44 40ef66fa 
40ef63c7 101df7bc a7e3dfe0 00000000 
                                GPR16: a7e3f954 a7e3f008 a7e3dff0 afe5778c 
afe57ca4 00001000 00000010 00000000 
                                GPR24: 10000034 a7e3fa28 00000000 00000001 
a7e3fa60 a7e2e000 a7e3eff0 afe57610 
Aug 23 14:31:55 qemuppc kernel: NIP [a7e0d668] 0xa7e0d668
Aug 23 14:31:55 qemuppc kernel: LR [a7e0d580] 0xa7e0d580
Aug 23 14:31:55 qemuppc kernel: --- interrupt: 500
Aug 23 14:31:55 qemuppc kernel: handlers:
Aug 23 14:31:55 qemuppc kernel: [<9df35000>] pmz_interrupt
Aug 23 14:31:55 qemuppc kernel: Disabling IRQ #37
Aug 23 14:31:51 qemuppc systemd[1]: systemd-udevd.service: Watchdog timeout 
(limit 3min)!
Aug 23 14:31:55 qemuppc systemd-journald[114]: Forwarding to syslog missed 1 
messages.
Aug 23 14:31:52 qemuppc kernel[193]: [  489.773137] rcu: INFO: rcu_preempt 
self-detected stall on CPU
Aug 23 14:31:51 qemuppc systemd[1]: systemd-udevd.service: Killing process 148 
(systemd-udevd) with signal SIGABRT.
Aug 23 14:31:52 qemuppc kernel[193]: [  489.922768] rcu:         0-...!: (1 
ticks this GP) idle=1a5c/1/0x40000004 softirq=34160/34160 fqs=0
Aug 23 14:31:51 qemuppc systemd[1]: systemd-logind.service: Watchdog timeout 
(limit 3min)!
Aug 23 14:31:52 qemuppc kernel[193]: [  489.941081]         (t=32552 jiffies 
g=73185 q=1 ncpus=1)
Aug 23 14:31:51 qemuppc systemd[1]: systemd-logind.service: Killing process 200 
(systemd-logind) with signal SIGABRT.
Aug 23 14:31:52 qemuppc kernel[193]: [  489.956856] rcu: rcu_preempt kthread 
timer wakeup didn't happen for 32551 jiffies! g73185 f0x0 RCU_GP_WAIT_FQS(5) 
->state=0x402
Aug 23 14:31:51 qemuppc systemd[1]: systemd-networkd.service: Watchdog timeout 
(limit 3min)!
Aug 23 14:31:52 qemuppc kernel[193]: [  489.965800] rcu:         Possible timer 
handling issue on cpu=0 timer-softirq=26141
Aug 23 14:31:51 qemuppc systemd[1]: systemd-networkd.service: Killing process 
211 (systemd-network) with signal SIGABRT.
Aug 23 14:31:52 qemuppc kernel[193]: [  489.971042] rcu: rcu_preempt kthread 
starved for 32552 jiffies! g73185 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
Aug 23 14:31:52 qemuppc systemd[1]: systemd-udevd.service: Main process exited, 
code=dumped, status=6/ABRT
Aug 23 14:31:52 qemuppc kernel[193]: [  489.971295] rcu:         Unless 
rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
Aug 23 14:31:52 qemuppc systemd[1]: systemd-udevd.service: Failed with result 
'watchdog'.
Aug 23 14:31:52 qemuppc kernel[193]: [  489.972612] rcu: RCU grace-period 
kthread stack dump:
Aug 23 14:31:52 qemuppc systemd[1]: systemd-udevd.service: Scheduled restart 
job, restart counter is at 1.
Aug 23 14:31:52 qemuppc kernel[193]: [  489.984822] task:rcu_preempt     
state:I stack:0     pid:16    ppid:2      flags:0x00000800
Aug 23 14:31:53 qemuppc systemd[1]: Starting Rule-based Manager for Device 
Events and Files...
Aug 23 14:31:52 qemuppc kernel[193]: [  490.027482] Call Trace:
Aug 23 14:31:53 qemuppc systemd[1]: systemd-logind.service: Main process 
exited, code=dumped, status=6/ABRT
Aug 23 14:31:52 qemuppc kernel[193]: [  490.052736] [f1051cd0] [67bf4a72] 
0x67bf4a72 (unreliable)
Aug 23 14:31:53 qemuppc systemd[1]: systemd-logind.service: Failed with result 
'watchdog'.
Aug 23 14:31:52 qemuppc kernel[193]: [  490.070781] [f1051da0] [c0d84cc4] 
__schedule+0x378/0x890
Aug 23 14:31:54 qemuppc systemd[1]: systemd-networkd.service: Main process 
exited, code=dumped, status=6/ABRT
Aug 23 14:31:52 qemuppc kernel[193]: [  490.075515] [f1051df0] [c0d85244] 
schedule+0x68/0x118
Aug 23 14:31:54 qemuppc systemd[1]: systemd-networkd.service: Failed with 
result 'watchdog'.
Aug 23 14:31:52 qemuppc kernel[193]: [  490.079545] [f1051e10] [c0d8c678] 
schedule_timeout+0xb0/0x17c
Aug 23 14:31:54 qemuppc systemd[1]: systemd-logind.service: Scheduled restart 
job, restart counter is at 1.
Aug 23 14:31:52 qemuppc kernel[193]: [  490.083481] [f1051e50] [c00d4d84] 
rcu_gp_fqs_loop+0x4cc/0x6ac
Aug 23 14:31:54 qemuppc systemd[1]: systemd-networkd.service: Scheduled restart 
job, restart counter is at 1.
Aug 23 14:31:52 qemuppc kernel[193]: [  490.083671] [f1051eb0] [c00d859c] 
rcu_gp_kthread+0x238/0x284
Aug 23 14:31:54 qemuppc systemd[1]: Starting Load Kernel Module drm...
Aug 23 14:31:52 qemuppc kernel[193]: [  490.083823] [f1051f00] [c008a4d0] 
kthread+0xfc/0x114
Aug 23 14:31:56 qemuppc systemd[1]: modprobe@drm.service: Deactivated 
successfully.
Aug 23 14:31:52 qemuppc kernel[193]: [  490.083965] [f1051f30] [c001c338] 
ret_from_kernel_thread+0x5c/0x64
Aug 23 14:31:56 qemuppc systemd[1]: Finished Load Kernel Module drm.
Aug 23 14:31:52 qemuppc kernel[193]: [  490.084259] rcu: Stack dump where RCU 
GP kthread last ran:
Aug 23 14:31:56 qemuppc systemd[1]: Starting Load Kernel Module drm...
Aug 23 14:31:52 qemuppc kernel[193]: [  490.084685] CPU: 0 PID: 792 Comm: as 
Not tainted 6.1.46-yocto-standard #1
Aug 23 14:31:52 qemuppc kernel[193]: [  490.085165] Hardware name: PowerMac3,1 
7400 0xc0209 PowerMac
Aug 23 14:31:52 qemuppc kernel[193]: [  490.085346] NIP:  c0d8d9b4 LR: c0d8d9a4 
CTR: c003d7ec
Aug 23 14:31:52 qemuppc kernel[193]: [  490.087556] REGS: f1005ec0 TRAP: 0900   
Not tainted  (6.1.46-yocto-standard)
Aug 23 14:31:52 qemuppc kernel[193]: [  490.090899] MSR:  00009032 
<EE,ME,IR,DR,RI>  CR: 48f74f32  XER: 20000000
Aug 23 14:31:52 qemuppc kernel[193]: [  490.091346]
Aug 23 14:31:52 qemuppc kernel[193]: [  490.091346] GPR00: c0d8d95c f1005f80 
c2e36c00 00000000 00000001 0000003f 000039ff 00000000
Aug 23 14:31:52 qemuppc kernel[193]: [  490.091346] GPR08: 00000000 00009032 
00000100 c15ecab8 28f75f32 101df7bc c157abf8 c16c0000
Aug 23 14:31:52 qemuppc kernel[193]: [  490.091346] GPR16: 000039ff c105bd2c 
00000000 0000000a c1575840 c105bd78 c0fe710c c1583570
Aug 23 14:31:52 qemuppc kernel[193]: [  490.091346] GPR24: c16f70a0 a7e3fa28 
00000000 c16adba0 a7e3fa60 00000008 00000000 f1005ff0
Aug 23 14:31:52 qemuppc kernel[193]: [  490.096034] NIP [c0d8d9b4] 
__do_softirq+0xfc/0x394
Aug 23 14:31:52 qemuppc kernel[193]: [  490.096277] LR [c0d8d9a4] 
__do_softirq+0xec/0x394
Aug 23 14:31:52 qemuppc kernel[193]: [  490.096565] Call Trace:
Aug 23 14:31:52 qemuppc kernel[193]: [  490.098486] [f1005f80] [c0d8d95c] 
__do_softirq+0xa4/0x394 (unreliable)
Aug 23 14:31:52 qemuppc kernel[193]: [  490.098917] [f1005ff0] [c000ac2c] 
do_softirq_own_stack+0x3c/0x54
Aug 23 14:31:52 qemuppc kernel[193]: [  490.099091] [f2f75ef0] [a7e2e000] 
0xa7e2e000
Aug 23 14:31:52 qemuppc kernel[193]: [  490.099221] [f2f75f10] [c00641b8] 
irq_exit+0xe4/0x144
Aug 23 14:31:52 qemuppc kernel[193]: [  490.099361] [f2f75f30] [c00045b4] 
HardwareInterrupt_virt+0x108/0x10c
Aug 23 14:31:52 qemuppc kernel[193]: [  490.100981] --- interrupt: 500 at 
0xa7e0d668
Aug 23 14:31:52 qemuppc kernel[193]: [  490.101119] NIP:  a7e0d668 LR: a7e0d580 
CTR: 00000000
Aug 23 14:31:52 qemuppc kernel[193]: [  490.101237] REGS: f2f75f40 TRAP: 0500   
Not tainted  (6.1.46-yocto-standard)
Aug 23 14:31:52 qemuppc kernel[193]: [  490.101562] MSR:  0000d032 
<EE,PR,ME,IR,DR,RI>  CR: 48000288  XER: 20000000
Aug 23 14:31:52 qemuppc kernel[193]: [  490.103148]
Aug 23 14:31:52 qemuppc kernel[193]: [  490.103148] GPR00: a7e0d580 afe57610 
00000000 fffffffc 70000027 a7e32000 6fffffff a7e2e020
Aug 23 14:31:52 qemuppc kernel[193]: [  490.103148] GPR08: fffffef5 6ffffef5 
a7e33b44 40ef66fa 40ef63c7 101df7bc a7e3dfe0 00000000
Aug 23 14:31:52 qemuppc kernel[193]: [  490.103148] GPR16: a7e3f954 a7e3f008 
a7e3dff0 afe5778c afe57ca4 00001000 00000010 00000000
Aug 23 14:31:52 qemuppc kernel[193]: [  490.103148] GPR24: 10000034 a7e3fa28 
00000000 00000001 a7e3fa60 a7e2e000 a7e3eff0 afe57610
Aug 23 14:31:52 qemuppc kernel[193]: [  490.106361] NIP [a7e0d668] 0xa7e0d668
Aug 23 14:31:52 qemuppc kernel[193]: [  490.106836] LR [a7e0d580] 0xa7e0d580
Aug 23 14:31:52 qemuppc kernel[193]: [  490.106981] --- interrupt: 500
Aug 23 14:31:52 qemuppc kernel[193]: [  490.107253] Instruction dump:
Aug 23 14:31:52 qemuppc kernel[193]: [  490.108681] 3b1870a0 3ad6710c 3af73570 
3b7bdba0 3a60000a 3a400000 7e238b78 4bff6f11
Aug 23 14:31:52 qemuppc kernel[193]: [  490.109573] 92540000 7d2000a6 61298000 
7d200124 <7ffd00d0> 7fbff838 7fff0034 23ff0020
Aug 23 14:31:52 qemuppc kernel[193]: [  490.110082] CPU: 0 PID: 792 Comm: as 
Not tainted 6.1.46-yocto-standard #1
Aug 23 14:31:52 qemuppc kernel[193]: [  490.110249] Hardware name: PowerMac3,1 
7400 0xc0209 PowerMac
Aug 23 14:31:52 qemuppc kernel[193]: [  490.110381] NIP:  c0d8d9b4 LR: c0d8d9a4 
CTR: c003d7ec
Aug 23 14:31:52 qemuppc kernel[193]: [  490.112853] REGS: f1005ec0 TRAP: 0900   
Not tainted  (6.1.46-yocto-standard)
Aug 23 14:31:52 qemuppc kernel[193]: [  490.113013] MSR:  00009032 
<EE,ME,IR,DR,RI>  CR: 48f74f32  XER: 20000000
Aug 23 14:31:52 qemuppc kernel[193]: [  490.113248]
Aug 23 14:31:52 qemuppc kernel[193]: [  490.113248] GPR00: c0d8d95c f1005f80 
c2e36c00 00000000 00000001 0000003f 000039ff 00000000
Aug 23 14:31:52 qemuppc kernel[193]: [  490.113248] GPR08: 00000000 00009032 
00000100 c15ecab8 28f75f32 101df7bc c157abf8 c16c0000
Aug 23 14:31:52 qemuppc kernel[193]: [  490.113248] GPR16: 000039ff c105bd2c 
00000000 0000000a c1575840 c105bd78 c0fe710c c1583570
Aug 23 14:31:52 qemuppc kernel[193]: [  490.113248] GPR24: c16f70a0 a7e3fa28 
00000000 c16adba0 a7e3fa60 00000008 00000000 f1005ff0
Aug 23 14:31:52 qemuppc kernel[193]: [  490.116244] NIP [c0d8d9b4] 
__do_softirq+0xfc/0x394
Aug 23 14:31:52 qemuppc kernel[193]: [  490.116396] LR [c0d8d9a4] 
__do_softirq+0xec/0x394
Aug 23 14:31:52 qemuppc kernel[193]: [  490.118125] Call Trace:
Aug 23 14:31:52 qemuppc kernel[193]: [  490.118203] [f1005f80] [c0d8d95c] 
__do_softirq+0xa4/0x394 (unreliable)
Aug 23 14:31:53 qemuppc kernel[193]: [  490.118522] [f1005ff0] [c000ac2c] 
do_softirq_own_stack+0x3c/0x54
Aug 23 14:31:53 qemuppc kernel[193]: [  490.119250] [f2f75ef0] [a7e2e000] 
0xa7e2e000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.119388] [f2f75f10] [c00641b8] 
irq_exit+0xe4/0x144
Aug 23 14:31:53 qemuppc kernel[193]: [  490.120203] [f2f75f30] [c00045b4] 
HardwareInterrupt_virt+0x108/0x10c
Aug 23 14:31:53 qemuppc kernel[193]: [  490.120376] --- interrupt: 500 at 
0xa7e0d668
Aug 23 14:31:53 qemuppc kernel[193]: [  490.121075] NIP:  a7e0d668 LR: a7e0d580 
CTR: 00000000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.121195] REGS: f2f75f40 TRAP: 0500   
Not tainted  (6.1.46-yocto-standard)
Aug 23 14:31:53 qemuppc kernel[193]: [  490.121342] MSR:  0000d032 
<EE,PR,ME,IR,DR,RI>  CR: 48000288  XER: 20000000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.122702]
Aug 23 14:31:53 qemuppc kernel[193]: [  490.122702] GPR00: a7e0d580 afe57610 
00000000 fffffffc 70000027 a7e32000 6fffffff a7e2e020
Aug 23 14:31:53 qemuppc kernel[193]: [  490.122702] GPR08: fffffef5 6ffffef5 
a7e33b44 40ef66fa 40ef63c7 101df7bc a7e3dfe0 00000000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.122702] GPR16: a7e3f954 a7e3f008 
a7e3dff0 afe5778c afe57ca4 00001000 00000010 00000000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.122702] GPR24: 10000034 a7e3fa28 
00000000 00000001 a7e3fa60 a7e2e000 a7e3eff0 afe57610
Aug 23 14:31:53 qemuppc kernel[193]: [  490.125554] NIP [a7e0d668] 0xa7e0d668
Aug 23 14:31:53 qemuppc kernel[193]: [  490.125958] LR [a7e0d580] 0xa7e0d580
Aug 23 14:31:53 qemuppc kernel[193]: [  490.126062] --- interrupt: 500
Aug 23 14:31:57 qemuppc systemd[1]: modprobe@drm.service: Deactivated 
successfully.
Aug 23 14:31:53 qemuppc kernel[193]: [  490.126147] Instruction dump:
Aug 23 14:31:57 qemuppc systemd[1]: Finished Load Kernel Module drm.
Aug 23 14:31:53 qemuppc kernel[193]: [  490.126243] 3b1870a0 3ad6710c 3af73570 
3b7bdba0 3a60000a 3a400000 7e238b78 4bff6f11
Aug 23 14:31:53 qemuppc kernel[193]: [  490.127761] 92540000 7d2000a6 61298000 
7d200124 <7ffd00d0> 7fbff838 7fff0034 23ff0020
Aug 23 14:31:53 qemuppc kernel[193]: [  490.695839] irq 37: nobody cared (try 
booting with the "irqpoll" option)
Aug 23 14:31:53 qemuppc kernel[193]: [  490.701589] CPU: 0 PID: 792 Comm: as 
Not tainted 6.1.46-yocto-standard #1
Aug 23 14:31:53 qemuppc kernel[193]: [  490.706880] Hardware name: PowerMac3,1 
7400 0xc0209 PowerMac
Aug 23 14:31:53 qemuppc kernel[193]: [  490.711073] Call Trace:
Aug 23 14:31:53 qemuppc kernel[193]: [  490.711167] [f1005d50] [c0d54a9c] 
dump_stack_lvl+0x34/0x50 (unreliable)
Aug 23 14:31:53 qemuppc kernel[193]: [  490.711386] [f1005d70] [c00c0e84] 
__report_bad_irq+0x50/0x138
Aug 23 14:31:53 qemuppc kernel[193]: [  490.712536] [f1005da0] [c00c0d9c] 
note_interrupt+0x344/0x398
Aug 23 14:31:53 qemuppc kernel[193]: [  490.712930] [f1005df0] [c00bcfc8] 
handle_irq_event+0xb4/0xfc
Aug 23 14:31:53 qemuppc kernel[193]: [  490.713088] [f1005e10] [c00c1e74] 
handle_fasteoi_irq+0xc0/0x29c
Aug 23 14:31:53 qemuppc kernel[193]: [  490.713243] [f1005e30] [c00bb554] 
generic_handle_irq+0x40/0x5c
Aug 23 14:31:53 qemuppc kernel[193]: [  490.713393] [f1005e40] [c000a660] 
__do_irq+0x48/0x140
Aug 23 14:31:53 qemuppc kernel[193]: [  490.715065] [f1005e60] [c000aaa8] 
__do_IRQ+0xe0/0x11c
Aug 23 14:31:53 qemuppc kernel[193]: [  490.715221] [f1005e90] [c000ab18] 
do_IRQ+0x34/0x10c
Aug 23 14:31:53 qemuppc kernel[193]: [  490.715362] [f1005eb0] [c00045b4] 
HardwareInterrupt_virt+0x108/0x10c
Aug 23 14:31:53 qemuppc kernel[193]: [  490.716384] --- interrupt: 500 at 
__do_softirq+0xfc/0x394
Aug 23 14:31:53 qemuppc kernel[193]: [  490.716876] NIP:  c0d8d9b4 LR: c0d8d9a4 
CTR: c003d7ec
Aug 23 14:31:53 qemuppc kernel[193]: [  490.716995] REGS: f1005ec0 TRAP: 0500   
Not tainted  (6.1.46-yocto-standard)
Aug 23 14:31:53 qemuppc kernel[193]: [  490.717369] MSR:  00009032 
<EE,ME,IR,DR,RI>  CR: 48f74f32  XER: 20000000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.719338]
Aug 23 14:31:53 qemuppc kernel[193]: [  490.719338] GPR00: c0d8d95c f1005f80 
c2e36c00 00000000 00000001 0000003f 000039ff 00000000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.719338] GPR08: 00000000 00009032 
00000100 c15ecab8 28f75f32 101df7bc c157abf8 c16c0000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.719338] GPR16: 000039ff c105bd2c 
00000000 0000000a c1575840 c105bd78 c0fe710c c1583570
Aug 23 14:31:53 qemuppc kernel[193]: [  490.719338] GPR24: c16f70a0 a7e3fa28 
00000000 c16adba0 a7e3fa60 00000008 00000000 f1005ff0
Aug 23 14:31:57 qemuppc systemd[1]: Starting User Login Management...
Aug 23 14:31:53 qemuppc kernel[193]: [  490.721535] NIP [c0d8d9b4] 
__do_softirq+0xfc/0x394
Aug 23 14:31:53 qemuppc kernel[193]: [  490.722801] LR [c0d8d9a4] 
__do_softirq+0xec/0x394
Aug 23 14:31:53 qemuppc kernel[193]: [  490.722934] --- interrupt: 500
Aug 23 14:31:53 qemuppc kernel[193]: [  490.723019] [f1005f80] [c0d8d95c] 
__do_softirq+0xa4/0x394 (unreliable)
Aug 23 14:31:53 qemuppc kernel[193]: [  490.723197] [f1005ff0] [c000ac2c] 
do_softirq_own_stack+0x3c/0x54
Aug 23 14:31:53 qemuppc kernel[193]: [  490.723362] [f2f75ef0] [a7e2e000] 
0xa7e2e000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.725049] [f2f75f10] [c00641b8] 
irq_exit+0xe4/0x144
Aug 23 14:31:53 qemuppc kernel[193]: [  490.725201] [f2f75f30] [c00045b4] 
HardwareInterrupt_virt+0x108/0x10c
Aug 23 14:31:53 qemuppc kernel[193]: [  490.725364] --- interrupt: 500 at 
0xa7e0d668
Aug 23 14:31:53 qemuppc kernel[193]: [  490.726214] NIP:  a7e0d668 LR: a7e0d580 
CTR: 00000000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.726335] REGS: f2f75f40 TRAP: 0500   
Not tainted  (6.1.46-yocto-standard)
Aug 23 14:31:53 qemuppc kernel[193]: [  490.726983] MSR:  0000d032 
<EE,PR,ME,IR,DR,RI>  CR: 48000288  XER: 20000000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.727233]
Aug 23 14:31:53 qemuppc kernel[193]: [  490.727233] GPR00: a7e0d580 afe57610 
00000000 fffffffc 70000027 a7e32000 6fffffff a7e2e020
Aug 23 14:31:53 qemuppc kernel[193]: [  490.727233] GPR08: fffffef5 6ffffef5 
a7e33b44 40ef66fa 40ef63c7 101df7bc a7e3dfe0 00000000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.727233] GPR16: a7e3f954 a7e3f008 
a7e3dff0 afe5778c afe57ca4 00001000 00000010 00000000
Aug 23 14:31:53 qemuppc kernel[193]: [  490.727233] GPR24: 10000034 a7e3fa28 
00000000 00000001 a7e3fa60 a7e2e000 a7e3eff0 afe57610
Aug 23 14:31:53 qemuppc kernel[193]: [  490.730076] NIP [a7e0d668] 0xa7e0d668
Aug 23 14:31:53 qemuppc kernel[193]: [  490.731510] LR [a7e0d580] 0xa7e0d580
Aug 23 14:31:53 qemuppc kernel[193]: [  490.731781] --- interrupt: 500
Aug 23 14:31:53 qemuppc kernel[193]: [  490.731930] handlers:
Aug 23 14:31:53 qemuppc kernel[193]: [  490.732058] [<9df35000>] pmz_interrupt
Aug 23 14:31:53 qemuppc kernel[193]: [  490.734774] Disabling IRQ #37
Aug 23 14:31:58 qemuppc systemd-udevd[801]: Using default interface naming 
scheme 'v253'.
Aug 23 14:32:00 qemuppc systemd[1]: Started Rule-based Manager for Device 
Events and Files.
Aug 23 14:32:00 qemuppc systemd[1]: Starting Network Configuration...
Aug 23 14:32:02 qemuppc systemd-logind[835]: New seat seat0.
Aug 23 14:32:03 qemuppc systemd-logind[835]: Watching system buttons on 
/dev/input/event0 (ADB keyboard)
Aug 23 14:32:03 qemuppc systemd-logind[835]: New session c7 of user root.
Aug 23 14:32:03 qemuppc systemd-logind[835]: New session c1 of user root.
Aug 23 14:32:04 qemuppc systemd-logind[835]: New session c8 of user root.
Aug 23 14:32:04 qemuppc systemd[1]: Started User Login Management.
Aug 23 14:32:04 qemuppc systemd[1]: 
sshd@5-192.168.7.4:22-192.168.7.3:59072.service: Deactivated successfully.
Aug 23 14:32:04 qemuppc systemd-logind[835]: Session c7 logged out. Waiting for 
processes to exit.
Aug 23 14:32:05 qemuppc systemd-networkd[838]: lo: Link UP
Aug 23 14:32:05 qemuppc systemd-networkd[838]: lo: Gained carrier
Aug 23 14:32:05 qemuppc systemd-networkd[838]: eth0: Link UP
Aug 23 14:32:05 qemuppc systemd-networkd[838]: eth0: Gained carrier
Aug 23 14:32:05 qemuppc systemd-networkd[838]: eth0: Gained IPv6LL
Aug 23 14:32:05 qemuppc systemd-networkd[838]: Enumeration completed
Aug 23 14:32:05 qemuppc systemd[1]: Started Network Configuration.
Aug 23 14:32:05 qemuppc systemd-networkd[838]: eth0: found matching network 
'/run/systemd/network/90-eth0.network', based on potentially unpredictable 
interface name.
Aug 23 14:32:05 qemuppc systemd-networkd[838]: eth0: Configuring with 
/run/systemd/network/90-eth0.network.
Aug 23 14:32:08 qemuppc systemd[1]: session-c7.scope: Deactivated successfully.
Aug 23 14:32:08 qemuppc systemd-logind[835]: Removed session c7.
Aug 23 14:32:18 qemuppc systemd[1]: Started OpenSSH Per-Connection Daemon 
(192.168.7.3:52348).
Aug 23 14:32:19 qemuppc systemd-logind[835]: New session c2 of user root.
Aug 23 14:32:19 qemuppc systemd[1]: Started Session c2 of User root.
Aug 23 14:32:21 qemuppc systemd[1]: 
sshd@7-192.168.7.4:22-192.168.7.3:52348.service: Deactivated successfully.
Aug 23 14:32:21 qemuppc systemd[1]: session-c2.scope: Deactivated successfully.
Aug 23 14:32:21 qemuppc systemd-logind[835]: Session c2 logged out. Waiting for 
processes to exit.
Aug 23 14:32:21 qemuppc systemd[1]: Started OpenSSH Per-Connection Daemon 
(192.168.7.3:53128).
Aug 23 14:32:21 qemuppc systemd-logind[835]: Removed session c2.
Aug 23 14:32:23 qemuppc systemd-logind[835]: New session c3 of user root.
Aug 23 14:32:23 qemuppc systemd[1]: Started Session c3 of User root.
Aug 23 14:32:24 qemuppc systemd[1]: session-c3.scope: Deactivated successfully.
Aug 23 14:32:24 qemuppc systemd[1]: 
sshd@8-192.168.7.4:22-192.168.7.3:53128.service: Deactivated successfully.
Aug 23 14:32:24 qemuppc systemd-logind[835]: Session c3 logged out. Waiting for 
processes to exit.
Aug 23 14:32:24 qemuppc systemd-logind[835]: Removed session c3.
Aug 23 14:32:24 qemuppc systemd[1]: Started OpenSSH Per-Connection Daemon 
(192.168.7.3:53142).
Aug 23 14:32:26 qemuppc systemd-logind[835]: New session c4 of user root.
Aug 23 14:32:26 qemuppc systemd-journald[114]: Forwarding to syslog missed 191 
messages.
Aug 23 14:32:26 qemuppc systemd[1]: Started Session c4 of User root.
Aug 23 14:32:27 qemuppc systemd[1]: 
sshd@9-192.168.7.4:22-192.168.7.3:53142.service: Deactivated successfully.
Aug 23 14:32:27 qemuppc systemd[1]: session-c4.scope: Deactivated successfully.
Aug 23 14:32:27 qemuppc systemd-logind[835]: Session c4 logged out. Waiting for 
processes to exit.
Aug 23 14:32:27 qemuppc systemd[1]: Started OpenSSH Per-Connection Daemon 
(192.168.7.3:53152).
Aug 23 14:32:27 qemuppc systemd-logind[835]: Removed session c4.
Aug 23 14:32:29 qemuppc systemd-logind[835]: New session c5 of user root.
Aug 23 14:32:29 qemuppc systemd[1]: Started Session c5 of User root.
Aug 23 14:32:30 qemuppc systemd[1]: session-c5.scope: Deactivated successfully.
Aug 23 14:32:30 qemuppc systemd[1]: 
sshd@10-192.168.7.4:22-192.168.7.3:53152.service: Deactivated successfully.
Aug 23 14:32:30 qemuppc systemd-logind[835]: Session c5 logged out. Waiting for 
processes to exit.
Aug 23 14:32:30 qemuppc systemd[1]: Started OpenSSH Per-Connection Daemon 
(192.168.7.3:56798).
Aug 23 14:32:30 qemuppc systemd-logind[835]: Removed session c5.
Aug 23 14:32:33 qemuppc systemd-logind[835]: New session c6 of user root.
Aug 23 14:32:33 qemuppc systemd[1]: Started Session c6 of User root.
Aug 23 14:32:40 qemuppc systemd[1]: Started OpenSSH Per-Connection Daemon 
(192.168.7.3:36882).
Aug 23 14:32:40 qemuppc systemd[1]: session-c6.scope: Deactivated successfully.
Aug 23 14:32:40 qemuppc systemd[1]: 
sshd@11-192.168.7.4:22-192.168.7.3:56798.service: Deactivated successfully.
Aug 23 14:32:40 qemuppc systemd-logind[835]: Session c6 logged out. Waiting for 
processes to exit.
Aug 23 14:32:41 qemuppc systemd-logind[835]: Removed session c6.
Aug 23 14:32:46 qemuppc systemd-logind[835]: New session c7 of user root.



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