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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2007-12-20 17:34:55 +0200
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2007-12-20 17:34:55 +0200
commit1ba6959299cb386faf178317b21ffd61689246b5 (patch)
treeb98d5f6d9aeadeb30e2d614aa174346529ae3b27 /ubi-utils/tests/README.udev
parentb722adcdb1eb8d0321eb5c4112db925c815450fc (diff)
ubi-utils: move UBI tests to tests/ubi-tests/
Clean-up ubi-utils a little by moving tests to a proper place. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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diff --git a/ubi-utils/tests/README.udev b/ubi-utils/tests/README.udev
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-There is a problem with udev: when a volume is created, there is a delay
-before corresponding /dev/ubiX_Y device node is created by udev, so some
-tests fail because of this. The symptom is error messages like
-"cannot open /dev/ubi0_0".
-
-One possible solution of this problem is to pre-create UBI device and volume
-nodes. There is even a script which may be used for this in ubi-utils/scripts/.
-But this is not enough because udev will still remove and re-create the nodes
-and tests will still fail. So you need to stop removing device nodes using
-the following udev rule:
-
- KERNEL=="ubi*_*", ACTION=="remove", OPTIONS+="ignore_device"
-
-In our Ubuntu distribution we put that to new file:
-/etc/udev/rules.d/50-local.rules
-
-Another possibility is to call udevsettle utility in libubi after the volume
-has been created See src/libubi.c - the call is compiled in only if
-UDEV_SETTLE_HACK is defined. This is anyway an ugly hack, but works, although
-makes the tests slower. Suggestions are welcome.
-
-So, if you have udevsettel unility in your system, you do not have to do
-anyting, and the tests should work, because we compile libubi with
-UDEV_SETTLE_HACK. Otherwise, you should remove -D UDEV_SETTLE_HACK
-from the makefile and pre-create UBI device nodes.