Uploaded image for project: 'RHEL'
  1. RHEL
  2. RHEL-3627

Rhel 9.2 aarch64 WARNING at at kernel/kmod.c:136 __request_module from kworker async probe for imx6_pcie_probe

    • None
    • Important
    • rhel-sst-arch-hw
    • ssg_platform_enablement
    • 3
    • False
    • Hide

      None

      Show
      None
    • None
    • None
    • None
    • None
    • aarch64
    • None

      WARNING in kernel log during boot breaks customer's certification:

      [    8.147560] WARNING: CPU: 2 PID: 11 at kernel/kmod.c:136 __request_module+0x268/0x530
      [    8.155416] Modules linked in: r8169 caam_jr(+) caamhash_desc realtek caamalg_desc crypto_engine libdes pfuze100_regulator sdhci_esdhc_imx crct10dif_ce ghash_ce sdhci_pltfm sha2_ce sha256_arm64 sha1_ce imx8m_ddrc governor_userspace phy_fsl_imx8mq_usb rtc_snvs imx_bus caam cqhci nvmem_imx_ocotp sdhci fec error imx_sdma mmc_core imx2_wdt gpio_mxc gpio_regulator gpio_generic imx_mailbox i2c_imx virt_dma sunrpc dm_mirror dm_region_hash dm_log dm_mod
      [    8.195030] CPU: 2 PID: 11 Comm: kworker/u8:1 Not tainted 5.14.0-284.11.1.el9_2.aarch64 #1
      [    8.195041] Hardware name: Unknown Unknown Product/Unknown Product, BIOS 2022.04-adv-lf-5.15.71-2.2.0+g0ed2a557 04/01/2022
      [    8.195050] Workqueue: events_unbound async_run_entry_fn
      [    8.210372] pc : __request_module+0x268/0x530
      [    8.226720] lr : __request_module+0x260/0x530
      [    8.226731] sp : ffff80000ad431d0
      [    8.226735] x29: ffff80000ad431d0 x28: ffff000009ccb000
      [    8.243692]  x27: ffff000009ccc000
      [    8.243699] x26: ffff000009ccb0d0 x25: ffff800000fa5318 x24: 0000000000000000
      [    8.243715] x23: 00000000001cc915 x22: 0000000000000001 x21: ffff8000088da8bc
      [    8.243730] x20: ffff8000091aa208 x19: 00000000001cc915
      [    8.261817]  x18: ffffffffffffffff
      [    8.281464] x17: 0000000000000000 x16: 0000000000000001 x15: 0000000000000000
      [    8.281480] x14: 0000000000000000
      [    8.294439]  x13: 0000000000000000 x12: 0000000000000001
      [    8.294450] x11: 0000000000000000 x10: 0000000000000001 x9 : ffff8000081625cc
      [    8.302128] x8 : ffff0000001fd400
      [    8.317604]  x7 : 0000000000000000 x6 : 0000000000000000
      [    8.317615] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
      [    8.317629] x2 : 0000000000000000 x1 : ffff800008162600 x0 : 0000000000000001
      [    8.328170] Call trace:
      [    8.328173]  __request_module+0x268/0x530
      [    8.328188]  phy_request_driver_module+0x11c/0x164
      [    8.588700]  phy_device_create+0x1e4/0x210
      [    8.592811]  get_phy_device+0x80/0x150
      [    8.596572]  mdiobus_scan+0x44/0x1d0
      [    8.600154]  __mdiobus_register+0x164/0x340
      [    8.604345]  __devm_mdiobus_register+0x74/0xe0
      [    8.608796]  rtl_init_one+0x648/0xab0 [r8169]
      [    8.613184]  local_pci_probe+0x44/0xb0
      [    8.616941]  pci_call_probe+0x6c/0x154
      [    8.620696]  pci_device_probe+0x94/0xf4
      [    8.624540]  really_probe+0xc4/0x3ec
      [    8.628123]  __driver_probe_device+0x114/0x190
      [    8.632574]  driver_probe_device+0x40/0xf0
      [    8.636678]  __device_attach_driver+0xb8/0x150
      [    8.641129]  bus_for_each_drv+0x7c/0xd0
      [    8.644970]  __device_attach+0xac/0x1e4
      [    8.648812]  device_attach+0x18/0x20
      [    8.652394]  pci_bus_add_device+0x54/0xb0
      [    8.656413]  pci_bus_add_devices+0x40/0x90
      [    8.660521]  pci_bus_add_devices+0x6c/0x90
      [    8.664625]  pci_host_probe+0x44/0xc4
      [    8.668296]  dw_pcie_host_init+0x220/0x37c
      [    8.672400]  imx6_pcie_probe+0x3a0/0x770
      [    8.676329]  platform_probe+0x6c/0xe0
      [    8.680000]  really_probe+0xc4/0x3ec
      [    8.683582]  __driver_probe_device+0x114/0x190
      [    8.688033]  driver_probe_device+0x40/0xf0
      [    8.692137]  __device_attach_driver+0xb8/0x150
      [    8.696587]  bus_for_each_drv+0x7c/0xd0
      [    8.700428]  __device_attach_async_helper+0xac/0xf0
      [    8.705313]  async_run_entry_fn+0x3c/0x160
      [    8.709418]  process_one_work+0x1e4/0x4b0
      [    8.713434]  worker_thread+0x158/0x430
      [    8.717189]  kthread+0xe8/0xf4
      [    8.720254]  ret_from_fork+0x10/0x20
      [    8.723838] ---[ end trace b67739beb99d6cf0 ]---
      

      The customer is interested in whether this WARNING is of any harm and why it is logged in the first place.

              mstowe@redhat.com Myron Stowe
              rhn-support-mtesar Michal Tesar
              Myron Stowe Myron Stowe
              William Gomeringer William Gomeringer
              Votes:
              0 Vote for this issue
              Watchers:
              2 Start watching this issue

                Created:
                Updated:
                Resolved: