On Thu, Mar 17, 2011 at 10:59 PM, Arvid Brodin <arvid.brodin@xxxxxxxx> wrote: > Hi, > > Daniel Baluta wrote: >> Hello, >> >>> The call to kmem_cache_zalloc() never returns; the printk() text on the line >>> after is never displayed and the system locks up. The printk() om the line >>> before displays. >> >> What flags are you passing to kmem_cache_zalloc? > > I'm using the flags passed to the urb_enqueue() function; a printk reveals > the value is 16, which would be GFP_NOIO if I read include/linux/gfp.h correctly. Hmm, I guess this is not quite OK. You hold a spinlock, and you can sleep while allocating memory. Daniel. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies