path: root/Documentation/s390
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authorSebastian Ott <sebott@de.ibm.com>2008-01-26 14:10:37 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-01-26 14:10:55 +0100
commit14ff56bbb3422cc465a12e81f5e1b5f06168aeda (patch)
tree3449924a41cce57963c0daf86320be5daf380687 /Documentation/s390
parent661ca0da3e1fa60c9e56f995fd83772ffa9ffe90 (diff)
[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 <sebott@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'Documentation/s390')
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/s390/CommonIO b/Documentation/s390/CommonIO
index 86320aa3fb0b..8fbc0a852870 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

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