Re: 2.6.17-rc6-rt3

["K.R. Foley" <kr@cybsft.com>]

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Ingo Molnar wrote:
> i have released the 2.6.17-rc6-rt3 tree, which can be downloaded from 
> the usual place:
> 
>    http://redhat.com/~mingo/realtime-preempt/
> 
> this is a fixes-only release: lots of fixes from Thomas Gleixner (for 
> the softirq problem that caused those ping latency weirdnesses, for 
> hrtimers and timers problems and for the RCU related bug that was 
> causing instability and more), John Stultz, Jan Altenberg and Clark 
> Williams. MIPS update from Manish Lachwani. Futex fix from Dinakar 
> Guniguntala. It also includes the RT-scheduling SMP fix that could fix 
> the scheduling problem reported by Darren Hart.
> 
> I think all of the regressions reported against rt1 are fixed, please 
> re-report if any of them is still unfixed.
> 
> to build a 2.6.17-rc6-rt3 tree, the following patches should be applied:
> 
>   http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.16.tar.bz2
>   http://kernel.org/pub/linux/kernel/v2.6/testing/patch-2.6.17-rc6.bz2
>   http://redhat.com/~mingo/realtime-preempt/patch-2.6.17-rc6-rt3
> 
> 	Ingo

This one still doesn't boot for me on a dual Xeon 2.60. Config is
attached and oops is included below.

*****************************************************************************
*
    *
*  REMINDER, the following debugging option is turned on in your
.config:   *
*
    *
*        CONFIG_DEBUG_RT_MUTEXES
     *
*
    *
*  it may increase runtime overhead and latencies.
    *
*
    *
*****************************************************************************
Freeing unused kernel memory: 200k freed
input: ImExPS/2 Generic Explorer Mouse as /class/input/input1
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
BUG: unable to handle kernel paging request at virtual address f3010000
 printing eip:
*pde = 00000000
Oops: 0000 [#1]
PREEMPT SMP
Modules linked in:
CPU:    1
EIP:    0060:[<c0132f9c>]    Not tainted VLI
EFLAGS: 00010297   (2.6.17-rc6-rt4 #10)
EIP is at lookup_symbol+0x11/0x35
eax: 00000001   ebx: e083185c   ecx: c02f20c4   edx: c02f0000
esi: f3010000   edi: e083185c   ebp: df597e80   esp: df597e74
ds: 007b   es: 007b   ss: 0068   preempt: 00000001
Process modprobe (pid: 1419, threadinfo=df596000 task=dec3ac90
stack_left=7744 worst_left=-1)
Stack: e083b580 00000bf0 e083185c df597e9c c0132fe5 df597eb4 df597eb0
e083b580
       00000bf0 e083185c df597ec4 c0133c93 00000001 00000012 e082dde8
00000000
       df597ed8 e0839200 00000bf0 e082dde8 df597ee8 c01341fa e083b580
00000000
Call Trace:
 [<c01036a1>] show_stack_log_lvl+0x82/0x8a (36)
 [<c0103821>] show_registers+0x139/0x1a1 (32)
 [<c0103a15>] die+0x118/0x1df (60)
 [<c0110cf3>] do_page_fault+0x45c/0x532 (76)
 [<c010336b>] error_code+0x4f/0x54 (72)
 [<c0132fe5>] __find_symbol+0x25/0x1b7 (28)
 [<c0133c93>] resolve_symbol+0x27/0x5f (40)
 [<c01341fa>] simplify_symbols+0x83/0xf3 (36)
 [<c0134e31>] load_module+0x668/0x9e2 (184)
 [<c0135210>] sys_init_module+0x42/0x1a4 (20)
 [<c01027fb>] sysenter_past_esp+0x54/0x75 (-8116)
Code: eb 11 8b 75 f0 41 83 c2 28 0f b7 46 30 39 c1 72 c9 31 c0 5a 59 5b
5e 5f 5d c3 55 89 e5 57 56 53 89 c3 39 ca 73 22 8b 72 04 89 df <ac> ae
75 08 84 c0 75 f8 31 c0 eb 04 19 c0 0c 01 85 c0 75 04 89
EIP: [<c0132f9c>] lookup_symbol+0x11/0x35 SS:ESP 0068:df597e74




-- 
   kr

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