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kern/55924: dmesg(8) broken on aarch64
>Number: 55924
>Category: kern
>Synopsis: dmesg(8) broken on aarch64
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Wed Jan 13 19:10:00 +0000 2021
>Originator: Martin Husemann
>Release: NetBSD 9.99.77
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD h-pulse.aprisoft.de 9.99.77 NetBSD 9.99.77 (GENERIC64) #172: Wed Jan 13 17:48:51 CET 2021 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src/sys/arch/evbarm/compile/GENERIC64 evbarm
Architecture: aarch64
Machine: evbarm
>Description:
This is on a hummingboard pulse board, booting via u-boot in uefi mode from SD
card. The issue started 1 or 2 weeks ago.
Raw dmesg(8) output is 38734 characters on this machine right now
and only starts to make sens at character 37130:
[ 702754.047093] [ 702754.047093] [ 702763.267027] [ 7.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [
1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000000] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.
000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.00000
3] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.000003] [ 1.162130] [ 1.162130] [ 1.172128] [ 1.172128] [ 1.182129] [ 1.192129] [ 1.192129] [ 1.202130] [ 1.212130] [ 1.244626] [ 1.254626] [ 1.254626] [ 1.254626] [ 1.254626] [ 1.254626] [ 1.364631] [ 1.374635]
<<--- garbage -- real kernel output starting at 37130 ---->>
[ 1.374635] ld1: 7624 MB, 3872 cyl, 64 head, 63 sec, 512 bytes/sect x 15613952 sectors
[ 1.394634] ld1: 4-bit width, High-Speed/SDR25, 50.000 MHz
[ 2.814722] uhub2 at uhub0 port 1: vendor 04b4 (0x04b4) product 6500 (0x6500), class 9/0, rev 3.00/50.10, addr 1
[ 2.825653] uhub2: 4 ports with 4 removable, self powered
[ 2.834724] uhub3 at uhub1 port 1: vendor 04b4 (0x04b4) product 6502 (0x6502), class 9/0, rev 2.10/50.10, addr 2
[ 2.844726] uhub3: multiple transaction translators
[ 2.854725] uhub3: 4 ports with 4 removable, self powered
[ 3.224749] cgd: self-test aes-xts-256
[ 3.224749] cgd: self-test aes-xts-512
[ 3.224749] cgd: self-test aes-cbc-128
[ 3.224749] cgd: self-test aes-cbc-256
[ 3.224749] cgd: self-test 3des-cbc-192
[ 3.224749] cgd: self-test blowfish-cbc-448
[ 3.224749] cgd: self-test aes-cbc-128 (encblkno8)
[ 3.224749] cgd: self-tests passed
[ 3.234749] WARNING: 6 errors while detecting hardware; check system log.
[ 3.245569] boot device: ld1
[ 3.254751] root on ld1a dumps on ld1b
[ 3.264752] mountroot: trying ffs...
[ 3.264752] root file system type: ffs
[ 3.274755] kern.module.path=/stand/evbarm/9.99.77/modules
[ 3.274755] WARNING: no TOD clock present
[ 3.287031] WARNING: using filesystem time
[ 3.291127] WARNING: CHECK AND RESET THE DATE!
[ 3.295579] init: copying out path `/sbin/init' 11
[ 7.755879] entropy: ready
[ 9.315990] enet0: link state UP (was UNKNOWN)
[ 9.736025] enet0: link state DOWN (was UP)
[ 12.736240] enet0: link state UP (was DOWN)
The garbage includes parts of kernel output from before the last boot, but
with bits flipped every now and then.
>How-To-Repeat:
boot current/aarch64 ?
>Fix:
n/a
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