Ubuntu
linux package

  1. Bug #1699004
  2. Comment #11

Comment 11 for bug 1699004

Revision history for this message
Nils (maeher) wrote :

It is indeed very odd.

dmesg | grep dyndbg
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.12.0-041200rc5-generic root=UUID=365f1a9c-9598-4ad5-a387-d02f771767a1 ro quiet splash nvme_core.default_ps_max_latency_us=0 nvme_core.dyndbg=+p vt.handoff=7
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.12.0-041200rc5-generic root=UUID=365f1a9c-9598-4ad5-a387-d02f771767a1 ro quiet splash nvme_core.default_ps_max_latency_us=0 nvme_core.dyndbg=+p vt.handoff=7

seems to indicate, that I DID actually set the kernel parameter.
Is there some way to check whether dynamic debug is ACTUALLY enabled?

Given that the system seems to quietly ignore "nvme_core.default_ps_max_latency_us=0", maybe it also ignores "nvme_core.dyndbg=+p".