* [PATCH 3/4] UML - Add a debugging message
@ 2007-03-05 22:41 Jeff Dike
0 siblings, 0 replies; only message in thread
From: Jeff Dike @ 2007-03-05 22:41 UTC (permalink / raw)
To: akpm; +Cc: linux-kernel, user-mode-linux-devel
Add a debugging message in the case that mapping a stub fails.
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
--
arch/um/os-Linux/skas/process.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
Index: test/arch/um/os-Linux/skas/process.c
===================================================================
--- test.orig/arch/um/os-Linux/skas/process.c 2007-03-05 15:08:18.000000000 -0500
+++ test/arch/um/os-Linux/skas/process.c 2007-03-05 16:14:56.000000000 -0500
@@ -419,9 +419,12 @@ void map_stub_pages(int fd, unsigned lon
.offset = code_offset
} } });
n = os_write_file(fd, &mmop, sizeof(mmop));
- if(n != sizeof(mmop))
+ if(n != sizeof(mmop)){
+ printk("mmap args - addr = 0x%lx, fd = %d, offset = %llx\n",
+ code, code_fd, (unsigned long long) code_offset);
panic("map_stub_pages : /proc/mm map for code failed, "
"err = %d\n", -n);
+ }
if ( stack ) {
__u64 map_offset;
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2007-03-05 22:41 [PATCH 3/4] UML - Add a debugging message Jeff Dike
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