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R-car is unable to boot NFS image on v2023

Affected images versions

v2023 ARM 64 in r-car boards

Testcase

https://qa.apertis.org/testcases/v2023/nfsroot-simple-boot.html

Steps to reproduce

Try to boot NFS image

Expected result

Image boots

Actual result

Image does not boot

pconf[    3.496875] Hardware name: Renesas M3ULCB board based on r8a77960 (DT)
ig: no devices t[    3.504782] Call trace:
o configure
Matched prompt #9: Kernel panic - not syncing
Setting prompt string to ['end Kernel panic[^\\r]*\\r', '\\$ ', '/home/user #', '/tmp #', 'apertis login:', 'Login incorrect']
ipc[    3.508607]  dump_backtrace+0xe4/0x140
onfig: no device[    3.513735]  show_stack+0x20/0x30
s to configure
[    3.518428]  dump_stack_lvl+0x68/0x84
ipconfig: no dev[    3.523470]  dump_stack+0x18/0x34
ices to configur[    3.528163]  panic+0x17c/0x35c
e
ipconfig: no [    3.532597]  make_task_dead+0x0/0x1a4
devices to confi[    3.537638]  do_group_exit+0x3c/0xa0
gure
/init: .: [    3.542593]  __wake_up_parent+0x0/0x3c
line 333: can't [    3.547722]  invoke_syscall+0x78/0x100
open '/run/net-*[    3.552850]  el0_svc_common.constprop.0+0x4c/0xf4
.conf': No such [    3.558933]  do_el0_svc+0x34/0xd0
file or director[    3.563627]  el0_svc+0x34/0xdc
y
[    3.568061]  el0t_64_sync_handler+0xb8/0xc0
[    3.572495]  el0t_64_sync+0x18c/0x190
[    3.576154] SMP: stopping secondary CPUs
[    3.580076] Kernel Offset: disabled
[    3.583557] CPU features: 0x20000,2003c080,0000421b
[    3.588429] Memory Limit: none
[    3.591480] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000200 ]---

https://lava.collabora.dev/scheduler/job/11353147#L758

Reproducibility

How often the issue is hit when repeating the test and changing nothing (same device, same image, etc.)?

Put the in the most appropriate entry:

  1. always
  2. often, but not always
  3. rarely

Impact of bug

R-car board cannot boot NFS images

Root cause

TBC

Outcomes

Management data

This section is for management only, it should be the last one in the description.

/cc @andrunko @em @sagar @sudarshan @wlozano

Phabricator link: https://phabricator.apertis.org/T10001

Edited by Walter Lozano