kern/183159: run_interrupt_driven_hooks: still waiting after second for xenbusb_nop_confighook_cb

[Rubets Anton]

>Number:         183159
>Category:       kern
>Synopsis:       run_interrupt_driven_hooks: still waiting after second for xenbusb_nop_confighook_cb
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Oct 21 16:20:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator:     Rubets Anton
>Release:        9.0, 9.1, 9.2,10
>Organization:
NTUU KPI IASA SP
>Environment:
FreeBSD gw 9.2-RC4 FreeBSD 9.2-RC4
10 Beta (cant do uname -a, because i cant boot)
>Description:
In 9.x
Make buildkernel KERNCONF=XENHVM
Make installkernel KERNCONF=XENHVM
reboot
In boot i take
run_interrupt_driven_hooks: still waiting after 60 seconds for xenbusb_nop_confighook_cb 


In 10 
>From cd on xen i take
run_interrupt_driven_hooks: still waiting after 60 seconds for xenbusb_nop_confighook_cb 

This problem repeated on different machines and xen installations(intel, amd, x86, x64). 
>How-To-Repeat:
On 9.x freebsd build and install XENHVM kernel
On 10 try to boot
>Fix:
In 9.x
Fix:
In  /usr/src/sys/kern/subr_autoconf.c
comment or remove loop

 /*  while (!TAILQ_EMPTY(&intr_config_hook_list)) { */ 
 ... There no need to comment
 /* { */


>Release-Note:
>Audit-Trail:
>Unformatted: