I have a few systems that don't boot on some VMWare nodes using EFI stub.
Kernel boots on VMWare ESXi 5.1 but has trouble on ESXi 5.5.
>From behavior it seems very much related to memory layout as just
adding a few efi_printk() into EFI stub gets the otherwise same kernel
to boot. Also the kernel does boot on another VMWare node.
Kernel I'm using: 3.18.2
I've take a snapshot that i converted to core dump. Poking at it with
gdb it looks like kernel gets stuck in misc.o somewhere during zlib
decompression.
Register dump:
rax 0x1000 4096
rbx 0x23f78cb 37714123
rcx 0x0 0
rdx 0x0 0
rsi 0x0 0
rdi 0x23f7863 37714019
rbp 0x1a363b4 0x1a363b4
rsp 0x2404b20 0x2404b20
r8 0x2404ee0 37768928
r9 0x4 4
r10 0x3 3
r11 0x9 9
r12 0x13dcbbc 20827068
r13 0x1e000000 503316480 (this seems to point to decompressed kernel)
r14 0x9b8ea7 10194599
r15 0x23f8bc0 37718976
rip 0x23f21f9 0x23f21f9
eflags 0x46 [ PF ZF ]
cs 0x18 24
ss 0x0 0
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
Code disassembly:
Dump of assembler code from 0x23f21d0 to 0x23f22f8:
0x00000000023f21d0: 53 push %rbx
0x00000000023f21d1: 48 89 fb mov %rdi,%rbx
0x00000000023f21d4: 48 8d 3d 85 56 00 00 lea 0x5685(%rip),%rdi # 0x23f7860
0x00000000023f21db: e8 50 fe ff ff callq 0x23f2030
0x00000000023f21e0: 48 89 df mov %rbx,%rdi
0x00000000023f21e3: e8 48 fe ff ff callq 0x23f2030
0x00000000023f21e8: 48 8d 3d 74 56 00 00 lea 0x5674(%rip),%rdi # 0x23f7863
0x00000000023f21ef: e8 3c fe ff ff callq 0x23f2030
0x00000000023f21f4: 0f 1f 40 00 nopl 0x0(%rax)
0x00000000023f21f8: f4 hlt
=> 0x00000000023f21f9: eb fd jmp 0x23f21f8
0x00000000023f21fb: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
0x00000000023f2200: 41 57 push %r15
0x00000000023f2202: 4d 89 c7 mov %r8,%r15
0x00000000023f2205: 41 56 push %r14
0x00000000023f2207: 49 89 ce mov %rcx,%r14
0x00000000023f220a: 41 55 push %r13
0x00000000023f220c: 49 89 fd mov %rdi,%r13
0x00000000023f220f: 41 54 push %r12
0x00000000023f2211: 4d 89 cc mov %r9,%r12
0x00000000023f2214: 55 push %rbp
0x00000000023f2215: 48 89 d5 mov %rdx,%rbp
0x00000000023f2218: 53 push %rbx
0x00000000023f2219: 48 89 f3 mov %rsi,%rbx
0x00000000023f221c: 48 83 ec 48 sub $0x48,%rsp
0x00000000023f2220: 80 bf ef 01 00 00 00 cmpb $0x0,0x1ef(%rdi)
0x00000000023f2227: 48 8b 05 8a 68 00 00 mov 0x688a(%rip),%rax # 0x23f8ab8
0x00000000023f222e: 48 89 38 mov %rdi,(%rax)
0x00000000023f2231: 74 69 je 0x23f229c
0x00000000023f2233: 48 8d bf c0 00 00 00 lea 0xc0(%rdi),%rdi
0x00000000023f223a: ba 00 01 00 00 mov $0x100,%edx
0x00000000023f223f: 31 f6 xor %esi,%esi
0x00000000023f2241: e8 0a 08 00 00 callq 0x23f2a50
0x00000000023f2246: 49 8d bd eb 01 00 00 lea 0x1eb(%r13),%rdi
0x00000000023f224d: ba 06 00 00 00 mov $0x6,%edx
0x00000000023f2252: 31 f6 xor %esi,%esi
0x00000000023f2254: e8 f7 07 00 00 callq 0x23f2a50
0x00000000023f2259: 49 8d bd 68 02 00 00 lea 0x268(%r13),%rdi
0x00000000023f2260: ba 28 00 00 00 mov $0x28,%edx
0x00000000023f2265: 31 f6 xor %esi,%esi
0x00000000023f2267: e8 e4 07 00 00 callq 0x23f2a50
0x00000000023f226c: 49 8d bd d0 0c 00 00 lea 0xcd0(%r13),%rdi
0x00000000023f2273: ba 30 00 00 00 mov $0x30,%edx
0x00000000023f2278: 31 f6 xor %esi,%esi
0x00000000023f227a: e8 d1 07 00 00 callq 0x23f2a50
0x00000000023f227f: 49 8d bd ec 0e 00 00 lea 0xeec(%r13),%rdi
0x00000000023f2286: ba 14 01 00 00 mov $0x114,%edx
0x00000000023f228b: 31 f6 xor %esi,%esi
0x00000000023f228d: e8 be 07 00 00 callq 0x23f2a50
0x00000000023f2292: 48 8b 05 1f 68 00 00 mov 0x681f(%rip),%rax # 0x23f8ab8
0x00000000023f2299: 4c 8b 28 mov (%rax),%r13
0x00000000023f229c: 41 80 7d 06 07 cmpb $0x7,0x6(%r13)
0x00000000023f22a1: 0f 84 69 01 00 00 je 0x23f2410
0x00000000023f22a7: 48 c7 05 2e 29 01 00 00 80 0b 00 movq $0xb8000,0x1292e(%rip) # 0x2404be0
0x00000000023f22b2: c7 05 1c 29 01 00 d4 03 00 00 movl $0x3d4,0x1291c(%rip) # 0x2404bd8
0x00000000023f22bc: 41 0f b6 45 0e movzbl 0xe(%r13),%eax
0x00000000023f22c1: 89 05 0d 29 01 00 mov %eax,0x1290d(%rip) # 0x2404bd4
0x00000000023f22c7: 41 0f b6 45 07 movzbl 0x7(%r13),%eax
0x00000000023f22cc: 89 05 fe 28 01 00 mov %eax,0x128fe(%rip) # 0x2404bd0
0x00000000023f22d2: e8 b9 0b 00 00 callq 0x23f2e90
0x00000000023f22d7: 48 8d 3d 9a 56 00 00 lea 0x569a(%rip),%rdi # 0x23f7978
0x00000000023f22de: e8 4d fd ff ff callq 0x23f2030
0x00000000023f22e3: 48 8b 05 de 67 00 00 mov 0x67de(%rip),%rax # 0x23f8ac8
0x00000000023f22ea: 4c 39 a4 24 80 00 00 00 cmp %r12,0x80(%rsp)
0x00000000023f22f2: 4c 89 e1 mov %r12,%rcx
0x00000000023f22f5: 48 0f 43 8c 24 80 00 00 00 cmovae 0x80(%rsp),%rcx
Objdump of arch/x86/boot/compressed/misc.o:
0000000000002de0 <error>:
2de0: 53 push %rbx
2de1: 48 89 fb mov %rdi,%rbx
2de4: 48 8d 3d 00 00 00 00 lea 0x0(%rip),%rdi # 2deb <zlib_updatewindow+0x2d7b>
2deb: e8 00 00 00 00 callq 2df0 <zlib_updatewindow+0x2d80>
2df0: 48 89 df mov %rbx,%rdi
2df3: e8 00 00 00 00 callq 2df8 <zlib_updatewindow+0x2d88>
2df8: 48 8d 3d 00 00 00 00 lea 0x0(%rip),%rdi # 2dff <zlib_updatewindow+0x2d8f>
2dff: e8 00 00 00 00 callq 2e04 <zlib_updatewindow+0x2d94>
2e04: 0f 1f 40 00 nopl 0x0(%rax)
2e08: f4 hlt
=> 2e09: eb fd jmp 2e08 <zlib_updatewindow+0x2d98>
2e0b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
0000000000002e10 <decompress_kernel>:
2e10: 41 57 push %r15
2e12: 4d 89 c7 mov %r8,%r15
2e15: 41 56 push %r14
2e17: 49 89 ce mov %rcx,%r14
2e1a: 41 55 push %r13
2e1c: 49 89 fd mov %rdi,%r13
2e1f: 41 54 push %r12
2e21: 4d 89 cc mov %r9,%r12
2e24: 55 push %rbp
2e25: 48 89 d5 mov %rdx,%rbp
2e28: 53 push %rbx
2e29: 48 89 f3 mov %rsi,%rbx
2e2c: 48 83 ec 48 sub $0x48,%rsp
2e30: 80 bf ef 01 00 00 00 cmpb $0x0,0x1ef(%rdi)
2e37: 48 8b 05 00 00 00 00 mov 0x0(%rip),%rax # 2e3e <zlib_updatewindow+0x2dce>
Possibly of interest, on the VMWare node where the kernel boots I get this memory mapping:
[ 0.000000] efi: EFI v2.30 by VMware, Inc.
[ 0.000000] efi: SMBIOS=0x1ffa8000 ACPI 2.0=0x1ff99000
[ 0.000000] efi: mem00: [ACPI Memory NVS | | | | | |WB|WT|WC|UC] range=[0x0000000000000000-0x0000000000001000) (0MB)
[ 0.000000] efi: mem01: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x0000000000001000-0x0000000000007000) (0MB)
[ 0.000000] efi: mem02: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x0000000000007000-0x00000000000a0000) (0MB)
[ 0.000000] efi: mem03: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x0000000000100000-0x0000000001000000) (15MB)
[ 0.000000] efi: mem04: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x0000000001000000-0x000000000240b000) (20MB)
[ 0.000000] efi: mem05: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x000000000240b000-0x000000001b1bc000) (397MB)
[ 0.000000] efi: mem06: [Loader Code | | | | | |WB|WT|WC|UC] range=[0x000000001b1bc000-0x000000001d5c7000) (36MB)
[ 0.000000] efi: mem07: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x000000001d5c7000-0x000000001df83000) (9MB)
[ 0.000000] efi: mem08: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x000000001df83000-0x000000001df8e000) (0MB)
[ 0.000000] efi: mem09: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001df8e000-0x000000001dfaf000) (0MB)
[ 0.000000] efi: mem10: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x000000001dfaf000-0x000000001dfb2000) (0MB)
[ 0.000000] efi: mem11: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001dfb2000-0x000000001dfc4000) (0MB)
[ 0.000000] efi: mem12: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x000000001dfc4000-0x000000001dfc5000) (0MB)
[ 0.000000] efi: mem13: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001dfc5000-0x000000001e61a000) (6MB)
[ 0.000000] efi: mem14: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e61a000-0x000000001e6d8000) (0MB)
[ 0.000000] efi: mem15: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e6d8000-0x000000001e6e7000) (0MB)
[ 0.000000] efi: mem16: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e6e7000-0x000000001e6ed000) (0MB)
[ 0.000000] efi: mem17: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e6ed000-0x000000001e6ee000) (0MB)
[ 0.000000] efi: mem18: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e6ee000-0x000000001e71b000) (0MB)
[ 0.000000] efi: mem19: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e71b000-0x000000001e71e000) (0MB)
[ 0.000000] efi: mem20: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e71e000-0x000000001e724000) (0MB)
[ 0.000000] efi: mem21: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e724000-0x000000001e725000) (0MB)
[ 0.000000] efi: mem22: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e725000-0x000000001e729000) (0MB)
[ 0.000000] efi: mem23: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e729000-0x000000001e72a000) (0MB)
[ 0.000000] efi: mem24: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e72a000-0x000000001e751000) (0MB)
[ 0.000000] efi: mem25: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e751000-0x000000001e754000) (0MB)
[ 0.000000] efi: mem26: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e754000-0x000000001e755000) (0MB)
[ 0.000000] efi: mem27: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e755000-0x000000001e756000) (0MB)
[ 0.000000] efi: mem28: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e756000-0x000000001e75e000) (0MB)
[ 0.000000] efi: mem29: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e75e000-0x000000001e760000) (0MB)
[ 0.000000] efi: mem30: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e760000-0x000000001e76f000) (0MB)
[ 0.000000] efi: mem31: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e76f000-0x000000001ee83000) (7MB)
[ 0.000000] efi: mem32: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001ee83000-0x000000001ee8c000) (0MB)
[ 0.000000] efi: mem33: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001ee8c000-0x000000001fe30000) (15MB)
[ 0.000000] efi: mem34: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001fe30000-0x000000001fe43000) (0MB)
[ 0.000000] efi: mem35: [Runtime Code |RUN| | | | |WB|WT|WC|UC] range=[0x000000001fe43000-0x000000001fe48000) (0MB)
[ 0.000000] efi: mem36: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001fe48000-0x000000001ff20000) (0MB)
[ 0.000000] efi: mem37: [Runtime Code |RUN| | | | |WB|WT|WC|UC] range=[0x000000001ff20000-0x000000001ff40000) (0MB)
[ 0.000000] efi: mem38: [Runtime Data |RUN| | | | |WB|WT|WC|UC] range=[0x000000001ff40000-0x000000001ff8a000) (0MB)
[ 0.000000] efi: mem39: [Runtime Data |RUN| | | | |WB|WT|WC|UC] range=[0x000000001ff8a000-0x000000001ff90000) (0MB)
[ 0.000000] efi: mem40: [ACPI Reclaim Memory| | | | | |WB|WT|WC|UC] range=[0x000000001ff90000-0x000000001ff99000) (0MB)
[ 0.000000] efi: mem41: [ACPI Reclaim Memory| | | | | |WB|WT|WC|UC] range=[0x000000001ff99000-0x000000001ffa8000) (0MB)
[ 0.000000] efi: mem42: [ACPI Memory NVS | | | | | |WB|WT|WC|UC] range=[0x000000001ffa8000-0x000000001ffaa000) (0MB)
[ 0.000000] efi: mem43: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x000000001ffaa000-0x000000001ffaf000) (0MB)
[ 0.000000] efi: mem44: [ACPI Memory NVS | | | | | |WB|WT|WC|UC] range=[0x000000001ffaf000-0x000000001ffb0000) (0MB)
[ 0.000000] efi: mem45: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001ffb0000-0x0000000020000000) (0MB)
[ 0.000000] efi: mem46: [Memory Mapped I/O |RUN| | | | | | | | ] range=[0x00000000ffc00000-0x00000000ffc18000) (0MB)
[ 0.000000] SMBIOS 2.6 present.
[ 0.000000] DMI: VMware, Inc. VMware7,1/440BX Desktop Reference Platform, BIOS VMW71.00V.0.B64.1309111724 09/11/2013
while on the failing one I get (just enough efi_printk to cause kernel to boot):
[ 0.000000] efi: EFI v2.30 by VMware, Inc.
[ 0.000000] efi: SMBIOS=0x1ffaf000 ACPI 2.0=0x1ff9f000
[ 0.000000] efi: mem00: [ACPI Memory NVS | | | | | |WB|WT|WC|UC] range=[0x0000000000000000-0x0000000000001000) (0MB)
[ 0.000000] efi: mem01: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x0000000000001000-0x0000000000007000) (0MB)
[ 0.000000] efi: mem02: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x0000000000007000-0x00000000000a0000) (0MB)
[ 0.000000] efi: mem03: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x0000000000100000-0x0000000001000000) (15MB)
[ 0.000000] efi: mem04: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x0000000001000000-0x000000000240b000) (20MB)
[ 0.000000] efi: mem05: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x000000000240b000-0x000000001ae96000) (394MB)
[ 0.000000] efi: mem06: [Loader Code | | | | | |WB|WT|WC|UC] range=[0x000000001ae96000-0x000000001d2a1000) (36MB)
[ 0.000000] efi: mem07: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x000000001d2a1000-0x000000001dc68000) (9MB)
[ 0.000000] efi: mem08: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001dc68000-0x000000001dcb3000) (0MB)
[ 0.000000] efi: mem09: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x000000001dcb3000-0x000000001dcdb000) (0MB)
[ 0.000000] efi: mem10: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x000000001dcdb000-0x000000001dce9000) (0MB)
[ 0.000000] efi: mem11: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x000000001dce9000-0x000000001dcea000) (0MB)
[ 0.000000] efi: mem12: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x000000001dcea000-0x000000001dcec000) (0MB)
[ 0.000000] efi: mem13: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001dcec000-0x000000001dcfb000) (0MB)
[ 0.000000] efi: mem14: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x000000001dcfb000-0x000000001dcfc000) (0MB)
[ 0.000000] efi: mem15: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001dcfc000-0x000000001dcfd000) (0MB)
[ 0.000000] efi: mem16: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x000000001dcfd000-0x000000001dcfe000) (0MB)
[ 0.000000] efi: mem17: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001dcfe000-0x000000001ddd8000) (0MB)
[ 0.000000] efi: mem18: [Loader Code | | | | | |WB|WT|WC|UC] range=[0x000000001ddd8000-0x000000001deb0000) (0MB)
[ 0.000000] efi: mem19: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001deb0000-0x000000001decf000) (0MB)
[ 0.000000] efi: mem20: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x000000001decf000-0x000000001dee0000) (0MB)
[ 0.000000] efi: mem21: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001dee0000-0x000000001dee6000) (0MB)
[ 0.000000] efi: mem22: [Loader Data | | | | | |WB|WT|WC|UC] range=[0x000000001dee6000-0x000000001dee8000) (0MB)
[ 0.000000] efi: mem23: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001dee8000-0x000000001e547000) (6MB)
[ 0.000000] efi: mem24: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e547000-0x000000001e58b000) (0MB)
[ 0.000000] efi: mem25: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e58b000-0x000000001e58c000) (0MB)
[ 0.000000] efi: mem26: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e58c000-0x000000001e590000) (0MB)
[ 0.000000] efi: mem27: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e590000-0x000000001e591000) (0MB)
[ 0.000000] efi: mem28: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e591000-0x000000001e5a0000) (0MB)
[ 0.000000] efi: mem29: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e5a0000-0x000000001e5a2000) (0MB)
[ 0.000000] efi: mem30: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e5a2000-0x000000001e602000) (0MB)
[ 0.000000] efi: mem31: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e602000-0x000000001e604000) (0MB)
[ 0.000000] efi: mem32: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e604000-0x000000001e613000) (0MB)
[ 0.000000] efi: mem33: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e613000-0x000000001e614000) (0MB)
[ 0.000000] efi: mem34: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e614000-0x000000001e645000) (0MB)
[ 0.000000] efi: mem35: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e645000-0x000000001e648000) (0MB)
[ 0.000000] efi: mem36: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e648000-0x000000001e64f000) (0MB)
[ 0.000000] efi: mem37: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e64f000-0x000000001e651000) (0MB)
[ 0.000000] efi: mem38: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e651000-0x000000001e656000) (0MB)
[ 0.000000] efi: mem39: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e656000-0x000000001e657000) (0MB)
[ 0.000000] efi: mem40: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e657000-0x000000001e66c000) (0MB)
[ 0.000000] efi: mem41: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e66c000-0x000000001e66d000) (0MB)
[ 0.000000] efi: mem42: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e66d000-0x000000001e69c000) (0MB)
[ 0.000000] efi: mem43: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e69c000-0x000000001e6a2000) (0MB)
[ 0.000000] efi: mem44: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e6a2000-0x000000001e6ad000) (0MB)
[ 0.000000] efi: mem45: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e6ad000-0x000000001e9b3000) (3MB)
[ 0.000000] efi: mem46: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001e9b3000-0x000000001e9c2000) (0MB)
[ 0.000000] efi: mem47: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001e9c2000-0x000000001edd3000) (4MB)
[ 0.000000] efi: mem48: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001edd3000-0x000000001eddc000) (0MB)
[ 0.000000] efi: mem49: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001eddc000-0x000000001fe31000) (16MB)
[ 0.000000] efi: mem50: [Conventional Memory| | | | | |WB|WT|WC|UC] range=[0x000000001fe31000-0x000000001fe33000) (0MB)
[ 0.000000] efi: mem51: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001fe33000-0x000000001fe3c000) (0MB)
[ 0.000000] efi: mem52: [Runtime Code |RUN| | | | |WB|WT|WC|UC] range=[0x000000001fe3c000-0x000000001fe44000) (0MB)
[ 0.000000] efi: mem53: [Boot Code | | | | | |WB|WT|WC|UC] range=[0x000000001fe44000-0x000000001ff21000) (0MB)
[ 0.000000] efi: mem54: [Runtime Code |RUN| | | | |WB|WT|WC|UC] range=[0x000000001ff21000-0x000000001ff41000) (0MB)
[ 0.000000] efi: mem55: [Runtime Data |RUN| | | | |WB|WT|WC|UC] range=[0x000000001ff41000-0x000000001ff8b000) (0MB)
[ 0.000000] efi: mem56: [Runtime Data |RUN| | | | |WB|WT|WC|UC] range=[0x000000001ff8b000-0x000000001ff91000) (0MB)
[ 0.000000] efi: mem57: [ACPI Reclaim Memory| | | | | |WB|WT|WC|UC] range=[0x000000001ff91000-0x000000001ff9f000) (0MB)
[ 0.000000] efi: mem58: [ACPI Reclaim Memory| | | | | |WB|WT|WC|UC] range=[0x000000001ff9f000-0x000000001ffad000) (0MB)
[ 0.000000] efi: mem59: [ACPI Memory NVS | | | | | |WB|WT|WC|UC] range=[0x000000001ffad000-0x000000001ffae000) (0MB)
[ 0.000000] efi: mem60: [ACPI Memory NVS | | | | | |WB|WT|WC|UC] range=[0x000000001ffae000-0x000000001ffb1000) (0MB)
[ 0.000000] efi: mem61: [Boot Data | | | | | |WB|WT|WC|UC] range=[0x000000001ffb1000-0x0000000020000000) (0MB)
[ 0.000000] efi: mem62: [Memory Mapped I/O |RUN| | | | | | | | ] range=[0x00000000ffc00000-0x00000000ffc18000) (0MB)
[ 0.000000] SMBIOS 2.6 present.
[ 0.000000] DMI: VMware, Inc. VMware7,1/440BX Desktop Reference Platform, BIOS VMW71.00V.0.B64.1404140612 04/14/2014
Size of bzImage: 10250672
Size of vmlinus: 28188076
Big size is due to included initrd.
Any idea where to search further or how to gather some more useful data with GDB?
Thanks,
Bruno
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