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XU4-next: kernel errors during ansible fact gathering


chymian

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hello,
during ansible-fact-gathering following errors are logged.
no instability has been noticed.

 

uname -a
Linux nas 4.9.46-odroidxu4 #10 SMP PREEMPT Fri Sep 1 05:29:13 PDT 2017 armv7l GNU/Linux



Sep 06 15:02:36 nas ansible-setup[28480]: Invoked with filter=* gather_subset=['all'] fact_path=/etc/ansible/facts.d gather_timeout=10
Sep 06 15:02:37 nas kernel: Unhandled fault: asynchronous external abort (0x1211) at 0x00000000
Sep 06 15:02:37 nas kernel: pgd = e69ccc80
Sep 06 15:02:37 nas kernel: [00000000] *pgd=42c04003, *pmd=00000000
Sep 06 15:02:37 nas kernel: Unhandled fault: asynchronous external abort (0x1211) at 0x00000000
Sep 06 15:02:37 nas kernel: pgd = e69cc1c0
Sep 06 15:02:37 nas kernel: [00000000] *pgd=66008003, *pmd=00000000
Sep 06 15:02:37 nas kernel: Unhandled fault: asynchronous external abort (0x1211) at 0x00000000
Sep 06 15:02:37 nas kernel: pgd = eb2b2b00
Sep 06 15:02:37 nas kernel: [00000000] *pgd=518bd003, *pmd=00000000
Sep 06 15:02:37 nas kernel: Unhandled fault: asynchronous external abort (0x1211) at 0x00000000
Sep 06 15:02:37 nas kernel: pgd = eb2b2e00
Sep 06 15:02:37 nas kernel: [00000000] *pgd=6c76b003, *pmd=00000000
Sep 06 15:02:37 nas kernel: Unhandled fault: asynchronous external abort (0x1211) at 0x00000000
Sep 06 15:02:37 nas kernel: pgd = eb2b2280
Sep 06 15:02:37 nas kernel: [00000000] *pgd=68d45003, *pmd=00000000
Sep 06 15:02:37 nas kernel: Unhandled fault: asynchronous external abort (0x1211) at 0x00000000
Sep 06 15:02:37 nas kernel: pgd = eb2b28c0
Sep 06 15:02:37 nas kernel: [00000000] *pgd=6505c003, *pmd=00000000
Sep 06 15:02:37 nas kernel: Unhandled fault: asynchronous external abort (0x1211) at 0x00000000
Sep 06 15:02:37 nas kernel: pgd = eb2b2e40
Sep 06 15:02:37 nas kernel: [00000000] *pgd=6a342003, *pmd=00000000
Sep 06 15:02:37 nas kernel: Unhandled fault: asynchronous external abort (0x1211) at 0x00000000
Sep 06 15:02:37 nas kernel: pgd = e69cc700
Sep 06 15:02:37 nas kernel: [00000000] *pgd=6a23e003, *pmd=00000000

 

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3 hours ago, chymian said:

during ansible-fact-gathering following errors are logged.

 

Based on the kernel version you're most probably running my latest OMV build? If that's the case it might be related to zram (since I realized too late that with a btrfs rootfs no 'vm.swappiness=0' is set but the default applies (60 IIRC, please check with sysctl and report back whether disabling zram changes something or not).

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On 6.9.2017 at 6:32 PM, tkaiser said:

 

Based on the kernel version you're most probably running my latest OMV build?

Hello Tom,
sorry for late response, but the forum-sw didn't send me an email per default on reply to my thread…
yes, the XU4 was on OMV, but the same thing happens with pure armbian. (see below)

 

 

On 6.9.2017 at 6:32 PM, tkaiser said:

please check with sysctl and report back whether disabling zram changes something or not).

not sure what you are asking about: "disabling zram?"

 

sysctl -a |grep swap

vm.swappiness = 0
4.9.37-odroidxu4

ii  linux-image-next-odroidxu4        5.33                           armhf        Linux kernel, version 4.9.51-odroidxu4

 

 

Sep 29 14:10:14 nas kernel: Unhandled fault: imprecise external abort (0x1406) at 0x00000000
Sep 29 14:10:14 nas kernel: pgd = deb0c000
Sep 29 14:10:14 nas kernel: [00000000] *pgd=00000000
Sep 29 14:10:14 nas kernel: Unhandled fault: imprecise external abort (0x1406) at 0x00000000
Sep 29 14:10:14 nas kernel: pgd = deb0c000
Sep 29 14:10:14 nas kernel: [00000000] *pgd=00000000
Sep 29 14:10:14 nas kernel: Unhandled fault: imprecise external abort (0x1406) at 0x00000000
Sep 29 14:10:14 nas kernel: pgd = deb00000
Sep 29 14:10:14 nas kernel: [00000000] *pgd=00000000
Sep 29 14:10:14 nas kernel: Unhandled fault: imprecise external abort (0x1406) at 0x00000000
Sep 29 14:10:14 nas kernel: pgd = deb00000
Sep 29 14:10:14 nas kernel: [00000000] *pgd=00000000
Sep 29 14:10:14 nas kernel: Unhandled fault: imprecise external abort (0x1406) at 0x00000000
Sep 29 14:10:14 nas kernel: pgd = deb00000
Sep 29 14:10:14 nas kernel: [00000000] *pgd=00000000
Sep 29 14:10:14 nas kernel: Unhandled fault: imprecise external abort (0x1406) at 0x00000000
Sep 29 14:10:14 nas kernel: pgd = deb00000
Sep 29 14:10:14 nas kernel: [00000000] *pgd=00000000
Sep 29 14:10:14 nas kernel: Unhandled fault: imprecise external abort (0x1406) at 0x00000000
Sep 29 14:10:14 nas kernel: pgd = deb00000
Sep 29 14:10:14 nas kernel: [00000000] *pgd=00000000
Sep 29 14:10:14 nas kernel: Unhandled fault: imprecise external abort (0x1406) at 0x00000000
Sep 29 14:10:14 nas kernel: pgd = deb00000
Sep 29 14:10:14 nas kernel: [00000000] *pgd=00000000

 

 

 

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