Re: [PATCH][v5] PM / hibernate: Print the possible panic reason when resuming with inconsistent e820 map

From: kbuild test robot
Date: Wed Oct 14 2015 - 17:05:46 EST

Hi Chen,

[auto build test ERROR on tip/x86/core -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url: https://github.com/0day-ci/linux/commits/Chen-Yu/PM-hibernate-Print-the-possible-panic-reason-when-resuming-with-inconsistent-e820-map/20151015-030054
config: um-x86_64_defconfig (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=um SUBARCH=x86_64

All error/warnings (new ones prefixed by >>):

In file included from arch/x86/include/asm/suspend_64.h:9:0,
from arch/x86/include/asm/suspend.h:4,
from include/linux/suspend.h:11,
from drivers/base/syscore.c:12:
>> arch/x86/um/asm/desc.h:6:0: warning: "LDT_empty" redefined
#define LDT_empty(info) (\
^
In file included from arch/um/include/asm/mmu.h:10:0,
from include/linux/mm_types.h:16,
from include/linux/sched.h:27,
from include/linux/cgroup.h:11,
from include/linux/memcontrol.h:22,
from include/linux/swap.h:8,
from include/linux/suspend.h:4,
from drivers/base/syscore.c:12:
arch/x86/um/asm/mm_context.h:63:0: note: this is the location of the previous definition
#define LDT_empty(info) (_LDT_empty(info) && ((info)->lm == 0))
^
In file included from arch/x86/include/asm/suspend.h:4:0,
from include/linux/suspend.h:11,
from drivers/base/syscore.c:12:
>> arch/x86/include/asm/suspend_64.h:29:18: error: field 'gdt_desc' has incomplete type
struct desc_ptr gdt_desc;
^
>> arch/x86/include/asm/suspend_64.h:46:13: error: 'restore_registers' redeclared as different kind of symbol
extern char restore_registers;
^
In file included from arch/um/include/asm/processor-generic.h:14:0,
from arch/x86/um/asm/processor.h:33,
from arch/x86/include/asm/atomic.h:6,
from include/linux/atomic.h:4,
from include/linux/mutex.h:18,
from drivers/base/syscore.c:10:
arch/um/include/shared/registers.h:17:12: note: previous declaration of 'restore_registers' was here
extern int restore_registers(int pid, struct uml_pt_regs *regs);
^
In file included from drivers/base/syscore.c:12:0:
include/linux/suspend.h:366:20: error: static declaration of 'arch_image_info_check' follows non-static declaration
static inline bool arch_image_info_check(const char *new,
^
In file included from include/linux/suspend.h:11:0,
from drivers/base/syscore.c:12:
arch/x86/include/asm/suspend.h:8:13: note: previous declaration of 'arch_image_info_check' was here
extern bool arch_image_info_check(const char *new, const char *old);
^
In file included from drivers/base/syscore.c:12:0:
include/linux/suspend.h:372:19: error: static declaration of 'arch_image_info_save' follows non-static declaration
static inline int arch_image_info_save(char *dst,
^
In file included from include/linux/suspend.h:11:0,
from drivers/base/syscore.c:12:
arch/x86/include/asm/suspend.h:7:12: note: previous declaration of 'arch_image_info_save' was here
extern int arch_image_info_save(char *dst, char *src, unsigned int limit_len);
^

vim +/gdt_desc +29 arch/x86/include/asm/suspend_64.h

^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 23 unsigned long gs_base, gs_kernel_base, fs_base;
8d783b3e include/asm-x86_64/suspend.h Pavel Machek 2005-06-25 24 unsigned long cr0, cr2, cr3, cr4, cr8;
85a0e753 arch/x86/include/asm/suspend_64.h Ondrej Zary 2010-06-08 25 u64 misc_enable;
85a0e753 arch/x86/include/asm/suspend_64.h Ondrej Zary 2010-06-08 26 bool misc_enable_saved;
3c321bce include/asm-x86_64/suspend.h Vivek Goyal 2007-05-02 27 unsigned long efer;
cc456c4e arch/x86/include/asm/suspend_64.h Konrad Rzeszutek Wilk 2013-05-01 28 u16 gdt_pad; /* Unused */
cc456c4e arch/x86/include/asm/suspend_64.h Konrad Rzeszutek Wilk 2013-05-01 @29 struct desc_ptr gdt_desc;
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 30 u16 idt_pad;
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 31 u16 idt_limit;
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 32 unsigned long idt_base;
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 33 u16 ldt;
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 34 u16 tss;
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 35 unsigned long tr;
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 36 unsigned long safety;
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 37 unsigned long return_address;
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 38 } __attribute__((packed));
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 39
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 40 #define loaddebug(thread,register) \
2b514e74 include/asm-x86_64/suspend.h Jan Beulich 2006-03-25 41 set_debugreg((thread)->debugreg##register, register)
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 42
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 43 /* routines for saving/restoring kernel state */
^1da177e include/asm-x86_64/suspend.h Linus Torvalds 2005-04-16 44 extern int acpi_save_state_mem(void);
d158cbdf include/asm-x86/suspend_64.h Rafael J. Wysocki 2007-10-18 45 extern char core_restore_code;
d158cbdf include/asm-x86/suspend_64.h Rafael J. Wysocki 2007-10-18 @46 extern char restore_registers;
0de80bcc include/asm-x86/suspend_64.h Rafael J. Wysocki 2007-10-23 47
1965aae3 arch/x86/include/asm/suspend_64.h H. Peter Anvin 2008-10-22 48 #endif /* _ASM_X86_SUSPEND_64_H */

:::::: The code at line 29 was first introduced by commit
:::::: cc456c4e7cac3837a86aaa7ca3cb9f488d44d196 x86, gdt, hibernate: Store/load GDT for hibernate path.

:::::: TO: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
:::::: CC: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>

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