Tony Lindgren wrote:
> Hi all,
> 
> Here's an updated dyn-tick patch. Some minor fixes:

Doesn't look so good here.  I get this with 2.6.12-rc2 (plus a few other patches).
Disabling Dynamic Tick makes everything happy again (it boots).

[4294688.655000] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[4294688.656000]  printing eip:
[4294688.657000] c077f818
[4294688.659000] *pde = 00000000
[4294688.660000] Oops: 0000 [#1]
[4294688.661000] PREEMPT 
[4294688.662000] Modules linked in:
[4294688.663000] CPU:    0
[4294688.663000] EIP:    0060:[<c077f818>]    Not tainted VLI
[4294688.663000] EFLAGS: 00010202   (2.6.12-rc2-fs3) 
[4294688.666000] EIP is at dyn_tick_late_init+0x38/0x80
[4294688.667000] eax: 00000000   ebx: c079f0c0   ecx: 00000000   edx: f7c15d4c
[4294688.668000] esi: f7f02000   edi: 00000000   ebp: f7f03fb8   esp: f7f03fb4
[4294688.669000] ds: 007b   es: 007b   ss: 0068
[4294688.670000] Process swapper (pid: 1, threadinfo=f7f02000 task=f7f01830)
[4294688.670000] Stack: c077a0e2 f7f03fd8 c076a956 c019bde8 c01002a0 00000000 c01002a0 0000000 
[4294688.671000]        00000000 f7f03fec c01002d5 0000007b 0000007b ffffffff 00000000 c0101365 
[4294688.672000]        00000000 00000000 00000000 
[4294688.673000] Call Trace:
[4294688.675000]  [<c0104bfa>] show_stack+0x7a/0x90
[4294688.676000]  [<c0104d79>] show_registers+0x149/0x1c0
[4294688.677000]  [<c0104fea>] die+0x14a/0x2d0
[4294688.678000]  [<c011e3ee>] do_page_fault+0x44e/0x633
[4294688.679000]  [<c01046e3>] error_code+0x4f/0x54
[4294688.680000]  [<c076a956>] do_initcalls+0x56/0xc0
[4294688.681000]  [<c01002d5>] init+0x35/0x110
[4294688.682000]  [<c0101365>] kernel_thread_helper+0x5/0x10
[4294688.683000] Code: 83 ec 04 e8 3b 6b c0 ff ba 14 b7<7>eth0: no IPv6 routers present

Frank
-- 
Frank Sorenson - KD7TZK
Systems Manager, Computer Science Department
Brigham Young University
frank@tuxrocks.com