[PATCH] uml: add a debugging message

b4cf95c6 · Jeff Dike <[email protected]> · 2007-03-06 01:42:19 -08:00

Add a debugging message in the case that mapping a stub fails.

Signed-off-by: Jeff Dike <[email protected]>
Cc: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Commit: b4cf95c69a72baf90b8f275294a3ff3d282ffe09
Parents: 7c7a8949

Changes

1 files changed · +4 −1

File	Status	Add	Del	Content
arch/um/os-Linux/skas/process.c	modified	+4	−1	View file

arch/um/os-Linux/skas/process.c

View file

diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 9b34fe6..dda0678 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -419,9 +419,12 @@ void map_stub_pages(int fd, unsigned long code,
 					  .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;