linux-kernel - [aarch64] [coresight_etm4x] [kernel 5.19.0-rc1] coresight-etm4x: probe of ARMHC500:20 failed with error -17

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Date:   Wed, 8 Jun 2022 15:20:12 +0200
From:   Bruno Goncalves <bgoncalv@...hat.com>
To:     LKML <linux-kernel@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org
Cc:     CKI Project <cki-project@...hat.com>
Subject: [aarch64] [coresight_etm4x] [kernel 5.19.0-rc1] coresight-etm4x:
 probe of ARMHC500:20 failed with error -17

Hello,

We recently started to hit this call trace when loading the
coresight-etm4x module.

[   78.683475] coresight etm103: CPU103: etm v4.1 initialized
[   78.683645] sysfs: cannot create duplicate filename
'/devices/system/container/ACPI0004:00/ARMHC9FE:00/funnel0/connections/in:0'
[   78.683650] CPU: 17 PID: 2522 Comm: systemd-udevd Not tainted 5.19.0-rc1 #1
[   78.683653] Hardware name: HPE Apollo 70             /C01_APACHE_MB
        , BIOS L50_5.13_1.16 07/29/2020
[   78.683655] Call trace:
[   78.683657]  dump_backtrace+0xc4/0x130
[   78.683665]  show_stack+0x24/0x70
[   78.683668]  dump_stack_lvl+0x64/0x80
[   78.683673]  dump_stack+0x18/0x34
[   78.683676]  sysfs_warn_dup+0x70/0x90
[   78.683681]  sysfs_do_create_link_sd+0x13c/0x144
[   78.683683]  sysfs_create_link_sd+0x20/0x30
[   78.683685]  sysfs_add_link_to_group+0x48/0x74
[   78.683688]  coresight_add_sysfs_link+0xa4/0x114 [coresight]
[   78.683705]  coresight_make_links+0x98/0xdc [coresight]
[   78.683714]  coresight_register+0x1d4/0x3cc [coresight]
[   78.683721]  etm4_probe+0x1e0/0x334 [coresight_etm4x]
[   78.683729]  etm4_probe_amba+0x44/0xa0 [coresight_etm4x]
[   78.683735]  amba_probe+0x11c/0x1b0
[   78.683741]  really_probe+0x19c/0x3f0
[   78.683747]  __driver_probe_device+0x11c/0x190
[   78.683749]  driver_probe_device+0x44/0xf4
[   78.683753]  __driver_attach+0xd8/0x1b4
[   78.683756]  bus_for_each_dev+0x6c/0xb0
[   78.683758]  driver_attach+0x30/0x40
[   78.683761]  bus_add_driver+0x154/0x240
[   78.683763]  driver_register+0x84/0x140
[   78.683765]  amba_driver_register+0x30/0x44
[   78.683768]  etm4x_init+0xd8/0x1000 [coresight_etm4x]
[   78.683775]  do_one_initcall+0x40/0x220
[   78.683778]  do_init_module+0x50/0x1f4
[   78.683782]  load_module+0x940/0xaf0
[   78.683783]  __do_sys_finit_module+0x9c/0xfc
[   78.683785]  __arm64_sys_finit_module+0x2c/0x40
[   78.683787]  invoke_syscall+0x50/0x120
[   78.683790]  el0_svc_common.constprop.0+0xd4/0xf4
[   78.683792]  do_el0_svc+0x38/0x4c
[   78.683794]  el0_svc+0x34/0xd0
[   78.683797]  el0t_64_sync_handler+0x11c/0x150
[   78.683799]  el0t_64_sync+0x190/0x194
[   78.725063] coresight-etm4x: probe of ARMHC500:20 failed with error -17

console log: https://s3.us-east-1.amazonaws.com/arr-cki-prod-datawarehouse-public/datawarehouse-public/2022/06/07/558044095/redhat:558044095_aarch64/tests/Boot_test/12104911_aarch64_1_test_console.log

more logs: https://datawarehouse.cki-project.org/kcidb/tests/3797753
cki issue tracker: https://datawarehouse.cki-project.org/issue/1261

kernel config: http://s3.amazonaws.com/arr-cki-prod-datawarehouse-public/datawarehouse-public/2022/06/07/558044095/redhat:558044095/redhat:558044095_aarch64/.config

Thanks,
Bruno Goncalves