Subject: Re: atkbd_init lockup with 2.6.11-rc1

From: Olaf Hering <[email-masked]>
Date: Fri, 28 Jan 2005 17:47:56 +0100

On Fri, Jan 28, Dmitry Torokhov wrote:

> > i8042_write_data(56) swapper(1):c0,j4294674787 enter 96
> > i8042_write_data(58) swapper(1):c0,j4294674787 leave 96
> 
> So this trace is without printk but with udelay, right? This time
> keyboard does not hang but NAKs everything instead... What if you aso
> add udelay(20) after calls to i8042_write_data()?

Its with 2 printk in i8042_write_data(), just adding a printk after outb
in i8042_write_data fixes the hang.

> > md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27
> > NET: Registered protocol family 2
> > .. here it hangs again.
> 
> Do you know where exactly? Is it some IO port access again?

Havent debugged that one, yet. Hopefully a different issue. According to
the logs from 2.6.5, the next message would be 

NET: Registered protocol family 2
IP: routing cache hash table of 2048 buckets, 16Kbytes
TCP established hash table entries: 16384 (order: 5, 131072 bytes)
TCP bind hash table entries: 16384 (order: 4, 65536 bytes)
TCP: Hash tables configured (established 16384 bind 16384)
NET: Registered protocol family 1
NET: Registered protocol family 17