Randy Dunlap wrote:
> Patch for Documentation/kernel-parameters.txt is below.
> Want more/different?
>
>
> Is this part of drivers/scsi/Kconfig correct??
>
> """
> config SCSI_LOGGING
> bool "SCSI logging facility"
> depends on SCSI
> ---help---
> This turns on a logging facility that can be used to debug a number
> of SCSI related problems.
>
> If you say Y here, no logging output will appear by default, but you
> can enable logging by saying Y to "/proc file system support" and
> "Sysctl support" below and executing the command
>
> echo "scsi log token [level]" > /proc/scsi/scsi
>
> at boot time after the /proc file system has been mounted.
>
> There are a number of things that can be used for 'token' (you can
> find them in the source: <file:drivers/scsi/scsi.c>), and this
> allows you to select the types of information you want, and the
> level allows you to select the level of verbosity.
> """
>
>
I have no clue whether that works, but looking at scsi.c it would
seem it doesn't. I only see add-single-device and remove-single-device
in there.
> From: Randy Dunlap <[email protected]>
>
> Minor corrections and additions to 'scsi_logging_level', as pointed out
> by Chuck Ebbert.
>
> Signed-off-by: Randy Dunlap <[email protected]>
> ---
> Documentation/kernel-parameters.txt | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> --- linux-2620-work.orig/Documentation/kernel-parameters.txt
> +++ linux-2620-work/Documentation/kernel-parameters.txt
> @@ -1444,7 +1444,10 @@ and is between 256 and 4096 characters.
> Format: <vendor>:<model>:<flags>
> (flags are integer value)
>
> - scsi_logging= [SCSI]
> + scsi_logging_level= [SCSI] a bit mask of logging levels
> + See drivers/scsi/scsi_logging.h for bits. Also
> + settable via sysctl at dev.scsi.logging_level
> + (/proc/sys/dev/scsi/logging_level).
>
> scsi_mod.scan= [SCSI] sync (default) scans SCSI busses as they are
> discovered. async scans them in kernel threads,
>
Patch looks good. The script from IBM looks even better.
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