Re: BUG() on apm resume in 2.6.18-rc2

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On Wed, 26 Jul 2006 23:38:19 -0400
"J. Bruce Fields" <[email protected]> wrote:

> After suspending to ram and then resuming, I'm getting the following on
> 2.6.18-rc2.  I also checked the latest git (54721324...) with the same
> results.  The last that I know was OK was 2.6.17.
> 
> Let me know if any more information would be useful.
> 
> Copied by hand as fast as I could type, so there are probably typos....
> 
> --b.
> 
> 2.6.18-rc2-g64821324
> BUG: unable to handle kernel paging request at virtual address c0729c38
>  printing eip:
> c0109204
> *pde = 009bf027
> *pte = 00729000
> Oops: 0000 [#1]
> PREEMPT DEBUG_PAGEALLOC
> Modules linked in:
> CPU:    0
> EIP:    0060:[<c0109204>]    Not tainted VLI
> EFLAGS: 00010246   (2.6.18-rc2-g64821324 #134)
> EIP is at mcheck_init+0x4/0x80
> eax: 000010ff   ebx: f584bd90   ecx: c010a230   edx: 00000000
> esi: 00004102   edi: 00004102   ebp: f5887ef8   esp: f5887ef4
> ds: 007b   es: 007b  ss: 0068
> Process apmd (pid: 4032, ti=f5887000 task=f5cf0560 task.ti=f5887000)
> Stack: f584bd90 f5887f08 c04e1dcf c070a220 00000000 f5887f14 c04e1dfd c09b1080
>        f5887f28 c010c820 00000002 00000002 f6a35f74 f5887f4c c010d72e 00000000
>        00000000 00000000 f5cf0ad0 00000246 f53e3f28 00000000 f5887f70 c016cf8b
> Call Trace:
>  [<c01036fc>] show_stack_log_lvl+0x9c/0xd0
>  [<c01038fe>] show_registers+0x17e/0x210
>  [<c0103a92>] die+0x102/0x2c0
>  [<c05683b5>] do_page_fault+0x305/0x630
>  [<c0103159>] error_code+0x39/0x40
>  [<c04e1dcf>] __restore_processor_state+0x16f/0x190
>  [<c04e1dfd>] restore_processor_state+0xd/0x10
>  [<c010c820>] suspend+0xa0/0x1c0
>  [<c010d72e>] do_ioctl+0x13e/0x170
>  [<c016cf8b>] do_ioctl+0x6b/0x80
>  [<c016cff1>] vfs_ioctl+0x51/0x2c0
>  [<c016d290>] sys_ioctl+0x30/0x50
>  [<c0102e37>] syscall_call+0x7/0xb
> Code: 90 90 90 90 90 90 90 55 89 e5 e8 48 f7 28 00 50 68 38 66 59 c0 e8 1d d7 00
>  00 58 5a c9 c3 89 f6 8d bc 27 00 00 00 00 55 89 e5 53 <83> 3d 38 9c 72 c0 01 8b
>  5d 08 74 20 8a 43 01 3c 02 74 1e 3c 05

This?

--- a/./arch/i386/kernel/cpu/mcheck/mce.h~mce-section-fix
+++ a/./arch/i386/kernel/cpu/mcheck/mce.h
@@ -9,6 +9,6 @@ void winchip_mcheck_init(struct cpuinfo_
 /* Call the installed machine check handler for this CPU setup. */
 extern fastcall void (*machine_check_vector)(struct pt_regs *, long error_code);
 
-extern int mce_disabled __initdata;
+extern int mce_disabled;
 extern int nr_mce_banks;
 
_

-
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