From 14ff56bbb3422cc465a12e81f5e1b5f06168aeda Mon Sep 17 00:00:00 2001 From: Sebastian Ott Date: Sat, 26 Jan 2008 14:10:37 +0100 Subject: [S390] cio: Dump ccw device information in case of timeout. Information about a ccw device will be dumped in case of a ccw timeout. This can be enabled with the kernel parameter ccw_timeout_log. Signed-off-by: Sebastian Ott Signed-off-by: Martin Schwidefsky --- Documentation/kernel-parameters.txt | 3 +++ Documentation/s390/CommonIO | 5 +++++ 2 files changed, 8 insertions(+) (limited to 'Documentation') diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index d29b6d9..880f882 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -370,6 +370,9 @@ and is between 256 and 4096 characters. It is defined in the file configured. Potentially dangerous and should only be used if you are entirely sure of the consequences. + ccw_timeout_log [S390] + See Documentation/s390/CommonIO for details. + checkreqprot [SELINUX] Set initial checkreqprot flag value. Format: { "0" | "1" } See security/selinux/Kconfig help text. diff --git a/Documentation/s390/CommonIO b/Documentation/s390/CommonIO index 86320aa..8fbc0a8 100644 --- a/Documentation/s390/CommonIO +++ b/Documentation/s390/CommonIO @@ -4,6 +4,11 @@ S/390 common I/O-Layer - command line parameters, procfs and debugfs entries Command line parameters ----------------------- +* ccw_timeout_log + + Enable logging of debug information in case of ccw device timeouts. + + * cio_msg = yes | no Determines whether information on found devices and sensed device -- cgit v1.1