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Hi,
My Linux systems hang during booting if there is a QuickCam VC connected to
a Parallel port and PnP Parport probing is enabled. They continue again as
soon as you unplug the camera, but it's a pain when dual-booting. Here's a
fix against 2.1.128 tested on two different machines both as a module and
compiled in. Apoligies if the formatting gets munged, xfmail is being a pig.
Ryan O'Connell - http://mipc-01.brunel.ac.uk:8080/ - <nemesis@eh.org>
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--- linux-2.1.128/drivers/pnp/parport_probe.c Fri Nov 6 05:25:24 1998
+++ linux/drivers/pnp/parport_probe.c Mon Nov 16 01:10:48 1998
@@ -54,8 +54,10 @@
unsigned int count = 0;
unsigned char z=0;
unsigned char Byte=0;
+ long igiveupat=jiffies+5*HZ;
- for (i=0; ; i++) {
+ for (i=0; time_before(jiffies, igiveupat); i++) {
+ /* if(current->need_resched) schedule(); */
parport_write_control(port, parport_read_control(port) | 2); /* AutoFeed high
*/
if (parport_wait_peripheral(port, 0x40, 0)) {
#ifdef DEBUG_PROBE
--_=XFMail.1.3.p0.Linux:981117150728:126=_--
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