Joseph Pingenot <trelane@digitasaru.net> wrote:
>
> I get the following when booting 2.5.68:
>
> Apr 21 00:41:37 paulus kernel: airo: Doing fast bap_reads
> Apr 21 00:41:37 paulus kernel: airo: MAC enabled eth1 0:7:e:b8:d6:7d
> Apr 21 00:41:37 paulus kernel: eth1: index 0x05: Vcc 5.0, Vpp 5.0, irq 4, io 0x0100-0x013f
> Apr 21 00:41:37 paulus kernel: bad: scheduling while atomic!
It's not really an oops - but it's trying hard to become one.
Could you please run with this patch for a while, and let me know
what it puts in the logs?
drivers/net/wireless/airo.c | 13 ++++++++++---
1 files changed, 10 insertions(+), 3 deletions(-)
diff -puN drivers/net/wireless/airo.c~airo-schedule-fix drivers/net/wireless/airo.c
--- 25/drivers/net/wireless/airo.c~airo-schedule-fix 2003-04-21 20:09:39.000000000 -0700
+++ 25-akpm/drivers/net/wireless/airo.c 2003-04-21 20:11:43.000000000 -0700
@@ -44,6 +44,7 @@
#include <linux/ioport.h>
#include <linux/config.h>
#include <linux/pci.h>
+#include <linux/delay.h>
#include <asm/uaccess.h>
#ifdef CONFIG_PCI
@@ -2376,20 +2377,26 @@ static u16 setup_card(struct airo_info *
static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
// Im really paranoid about letting it run forever!
int max_tries = 600000;
+ static int max = 0;
+ int count = 0;
if (sendcommand(ai, pCmd) == (u16)ERROR)
return ERROR;
while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
- if (!in_interrupt() && (max_tries & 255) == 0)
- schedule();
+ udelay(1);
+ count++;
}
- if ( max_tries == -1 ) {
+ if (max_tries == -1) {
printk( KERN_ERR
"airo: Max tries exceeded waiting for command\n" );
return ERROR;
}
completecommand(ai, pRsp);
+ if (count > max) {
+ max = count;
+ printk("%s: max delay = %d usec\n", __FUNCTION__, max);
+ }
return SUCCESS;
}
_
-
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This archive was generated by hypermail 2b29 : Wed Apr 23 2003 - 22:00:31 EST