[Bug 1864992] Re: depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-14-generic/modules.builtin.bin'

[Rafael David Tinoco]

Here is the thing...

log_setup_kmod_log() is the function controlling verbocity level. When
called from do_modprobe() execution path, it has a way to control the
"log priority", being able to control how verbose the execution should
be. Meanwhile, when log_setup_kmod_log() is called from do_depmod().. it
has no way to control how verbose the rest of execution will be.

#define DEFAULT_VERBOSE LOG_WARNING
static int verbose = DEFAULT_VERBOSE;

and then:

depmod():
...
case 'v':
  verbose++;
  break;
...
  log_setup_kmod_log(ctx, verbose);
...

since we have:

#define	LOG_EMERG	0	/* system is unusable */
#define	LOG_ALERT	1	/* action must be taken immediately */
#define	LOG_CRIT	2	/* critical conditions */
#define	LOG_ERR		3	/* error conditions */
#define	LOG_WARNING	4	/* warning conditions */
#define	LOG_NOTICE	5	/* normal but significant condition */
#define	LOG_INFO	6	/* informational */
#define	LOG_DEBUG	7	/* debug-level messages *

Something is bumping the verbose from "warning" into "debug"
automatically.

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Title:
  depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could
  not open builtin file
  '/lib/modules/5.4.0-14-generic/modules.builtin.bin'

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