Tim Waugh (tim@cyberelk.demon.co.uk)
Sat, 11 Apr 1998 13:19:02 +0100 (BST)
On Fri, 10 Apr 1998, Marc F Pucci wrote:
> Since installing 2.1.94, and with my printer off (an HP laserjet 3P)
> I get "notch kernel: lp0 out of paper" messages every 10 seconds.
> Didn't happen on 2.1.91; This tends to mask out other kernel messages.
This patch should fix that.
Tim.
*/
--- linux/drivers/char/lp.c~ Sat Apr 11 13:06:51 1998
+++ linux/drivers/char/lp.c Sat Apr 11 13:18:01 1998
@@ -239,23 +239,32 @@
}
static int lp_check_status(int minor) {
+ static unsigned char last = 0;
unsigned char status = r_str(minor);
if ((status & LP_POUTPA)) {
- printk(KERN_INFO "lp%d out of paper\n", minor);
- if (LP_F(minor) & LP_ABORT)
- return 1;
- lp_error(minor);
+ if (last != LP_POUTPA) {
+ last = LP_POUTPA;
+ printk(KERN_INFO "lp%d out of paper\n", minor);
+ }
} else if (!(status & LP_PSELECD)) {
- printk(KERN_INFO "lp%d off-line\n", minor);
- if (LP_F(minor) & LP_ABORT)
- return 1;
- lp_error(minor);
+ if (last != LP_PSELECD) {
+ last = LP_PSELECD;
+ printk(KERN_INFO "lp%d off-line\n", minor);
+ }
} else if (!(status & LP_PERRORP)) {
- printk(KERN_ERR "lp%d printer error\n", minor);
+ if (last != LP_PERRORP) {
+ last = LP_PERRORP;
+ printk(KERN_ERR "lp%d on fire!\n", minor);
+ }
+ }
+ else last = 0;
+
+ if (last != 0) {
if (LP_F(minor) & LP_ABORT)
return 1;
lp_error(minor);
}
+
return 0;
}
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This archive was generated by hypermail 2.0b3 on Wed 30 Dec 1998 - 10:17:36 EST