On Fri, Dec 02, 2005 at 02:20:07PM +0800, Sam Song wrote: > Hi all, > > I found that once I operated i2c bus like > read from i2c device in 2.4.31 kernl in a > interrupt handler or tasklet, kernel panic > would happen. Is there any way to make it > in such case? I need to write sth on RTC > alarm register with an interrupt event. > > ...... > Scheduling in interrupt > kernel BUG at sched.c:564!
You cannot access i2c layer from non-process context. Please, search mail list archives, this matter was discussed countless number of times. -- Eugene
