From: Jeff Dike Date: Tue, 6 Mar 2007 09:42:19 +0000 (-0800) Subject: [PATCH] uml: add a debugging message X-Git-Tag: v2.6.21-rc3~30 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=b4cf95c69a72baf90b8f275294a3ff3d282ffe09;p=linux-2.6-omap-h63xx.git [PATCH] uml: add a debugging message Add a debugging message in the case that mapping a stub fails. Signed-off-by: Jeff Dike Cc: Paolo 'Blaisorblade' Giarrusso Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index 9b34fe65949..dda06789bcb 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;