Mark Hull-Richter wrote:
> However, I am now getting this odd content in the trace log (dmesg),
> and I cannot figure out what it is or why it is there. If anyone
> recognizes this situation, I invite comment and suggestions on how to
> eliminate or decipher it:
>
> 4296757675 pdflush(80): do_writepages: map>ops>wrtpgs ffffffffa0195ff5
> 4296757675 pdflush(80): mpage_writepages w/b index 49728 pages 256000
> <7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7>
> <7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7>
> <7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7>
> <7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7>
> <7><7><7><7><7>__bio_add_page: 2x ph 88>128 || hw 88>88 || 360448>max
> ffffffff802525d8 generic_make_request(bio 000001017c745300) 50729472, 704
> __make_request(q 00000101b9293870, bio 000001017c745300: sdc; 50729600,
> 704)
I am going to regret answering this, because it is not the right place
for such questions. However...
I suspect you are misusing printk and the KERN_XXX prefixes (KERN_DEBUG,
KERN_ERR, KERN_INFO, etc.) defined in include/linux/kernel.h. Try
dropping the comma between the prefix and the message. That is:
printk(KERN_INFO "Hello World!\n");
rather than:
printk(KERN_INFO, "Hello World!\n");
I leave it an exercise for a for the reader to figure out what the
difference is.
Cheers,
Michael
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