Hi,
This patch adds /proc/ppc64/rtas/error_log to the known failure list
according to a Red Hat kernel developer,
"In kernel's rtas_log_read() the first check is:
...
if (!buf || count < rtas_error_log_buffer_max)
return -EINVAL;
...
This code tries to avoid to be overcomplicated by rejecting
partial reads of log strings. rtas_error_log_buffer_max is a maximal
length of error message, and reader should provide enough space for
it, or it will loose."
The default of this test is to use 1024-byte read buffer, and it is
proved not enough, as well as 4096-byte sometimes. I don't want to
special case here. Hence, add it to the list.
Reference,
https://bugzilla.redhat.com/show_bug.cgi?id=460106
Signed-off-by: CAI Qian <[email protected]>
--- testcases/kernel/fs/proc/proc01.c.orig 2009-01-23 01:34:36.043430095
+0800
+++ testcases/kernel/fs/proc/proc01.c 2009-01-23 01:45:28.947429320 +0800
@@ -1,8 +1,8 @@
/*
* proc01.c - Tests Linux /proc file reading.
*
+ * Copyright (C) 2008, 2009 Red Hat, Inc.
* Copyright (C) 2001 Stephane Fillod <[email protected]>
- * Copyright (c) 2008 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@@ -88,6 +88,7 @@
{"read", "/proc/xen/privcmd", EINVAL},
{"read", "/proc/self/mem", EIO},
{"read", "/proc/self/task/[0-9]*/mem", EIO},
+ {"read", "/proc/ppc64/rtas/error_log", EINVAL},
{"", "", 0}
};
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