On Sun, Dec 2, 2018 at 1:26 AM Tushar Pankaj <tushar.s.pankaj@gmail.com> wrote:
Does it have to do with macros.S having a capital S extension?

Thanks,
Tushar Pankaj


Probably not. I don't have any "arch/x86/kernel/macros.s" file (actually "/usr/src/linux-headers-4.20.0-rc4/arch/x86/kernel/macros.s") at all. In fact neither do i have macros.s or macros.S in previous kernels directories.
 
On Sat, Dec 1, 2018, 17:24 Laszlo KERTESZ <laszlo.kertesz@gmail.com wrote:
Hi,
It builds with 4.19.x. What happened to 4.20?
On the Fedore bug tracker there is something related:


On Sat, Dec 1, 2018 at 11:03 PM QINGWEI ZHANG <qzhang.canada@gmail.com> wrote:
This kernel is the latest one, could you try with 4.19?

Sent via the BlackBerry Hub for Android
From: laszlo.kertesz@gmail.com
Sent: December 1, 2018 15:58
To: wireguard@lists.zx2c4.com
Subject: Build fails on Debian, kernel 4.20.0-rc4

Hi,
The wireguard module (0.0.20181119 from Debian Unstable) fails to build on my machine using kernel 4.20 rc4.

I get the following errors:

# cat /var/lib/dkms/wireguard/0.0.20181119/build/make.log
DKMS make.log for wireguard-0.0.20181119 for kernel 4.20.0-rc4 (x86_64)
Sat Dec  1 22:51:18 EET 2018
make: Entering directory '/usr/src/linux-headers-4.20.0-rc4'
  CC [M]  /var/lib/dkms/wireguard/0.0.20181119/build/main.o
  CC [M]  /var/lib/dkms/wireguard/0.0.20181119/build/noise.o
  CC [M]  /var/lib/dkms/wireguard/0.0.20181119/build/device.o
  CC [M]  /var/lib/dkms/wireguard/0.0.20181119/build/peer.o
Assembler messages:
Error: can't open arch/x86/kernel/macros.s for reading: No such file or directory
make[1]: *** [scripts/Makefile.build:293: /var/lib/dkms/wireguard/0.0.20181119/build/main.o] Error 1
make[1]: *** Waiting for unfinished jobs....
Assembler messages:
Error: can't open arch/x86/kernel/macros.s for reading: No such file or directory
./arch/x86/include/asm/atomic64_64.h:160: Error: no such instruction: `lock_prefix xaddq %rax,peer_counter(%rip)'
./arch/x86/include/asm/bitops.h:76: Error: no such instruction: `lock_prefix orb $32,1592(%rbx)'
./arch/x86/include/asm/bitops.h:114: Error: no such instruction: `lock_prefix andb $-2,1592(%rbx)'
./arch/x86/include/asm/bitops.h:114: Error: no such instruction: `lock_prefix andb $-9,1592(%rbx)'
./arch/x86/include/asm/jump_label.h:23: Error: no such instruction: `static_branch_nop l_yes=".L15"key="descriptor.66338+40"branch="0"'
./include/linux/netdevice.h:515: Error: no such instruction: `asm_bug ins=".byte 0x0f, 0x0b"file=.LC0 line=515 flags=0 size=12'
./include/linux/netdevice.h:515: Error: no such instruction: `annotate_unreachable counter=80'
./arch/x86/include/asm/atomic.h:200: Error: no such instruction: `lock_prefix cmpxchgl %ecx,(%rdx)'
./arch/x86/include/asm/refcount.h:109: Error: no such instruction: `refcount_error counter="(%rdx)"'
./arch/x86/include/asm/refcount.h:90: Error: no such instruction: `lock_prefix decl 1528(%rbx)'
./arch/x86/include/asm/refcount.h:91: Error: no such instruction: `refcount_check_lt_zero counter="1528(%rbx)"'
./arch/x86/include/asm/jump_label.h:23: Error: no such instruction: `static_branch_nop l_yes=".L61"key="descriptor.66372+40"branch="0"'
./arch/x86/include/asm/refcount.h:90: Error: no such instruction: `lock_prefix decl 1528(%rdi)'
./arch/x86/include/asm/refcount.h:91: Error: no such instruction: `refcount_check_lt_zero counter="1528(%rdi)"'
./arch/x86/include/asm/jump_label.h:23: Error: no such instruction: `static_branch_nop l_yes=".L80"key="descriptor.66372+40"branch="0"'
Assembler messages:
Error: can't open arch/x86/kernel/macros.s for reading: No such file or directory
./arch/x86/include/asm/refcount.h:90: Error: no such instruction: `lock_prefix decl 4(%rdi)'
./arch/x86/include/asm/refcount.h:91: Error: no such instruction: `refcount_check_lt_zero counter="4(%rdi)"'
./arch/x86/include/asm/jump_label.h:23: Error: no such instruction: `static_branch_nop l_yes=".L6"key="descriptor.67356+40"branch="0"'
./arch/x86/include/asm/jump_label.h:23: Error: no such instruction: `static_branch_nop l_yes=".L32"key="descriptor.67420+40"branch="0"'
./arch/x86/include/asm/refcount.h:65: Error: no such instruction: `lock_prefix incl 4(%rdi)'
./arch/x86/include/asm/refcount.h:66: Error: no such instruction: `refcount_check_lt_zero counter="4(%rdi)"'
./arch/x86/include/asm/refcount.h:90: Error: no such instruction: `lock_prefix decl 4(%rdi)'
./arch/x86/include/asm/refcount.h:91: Error: no such instruction: `refcount_check_lt_zero counter="4(%rdi)"'
/var/lib/dkms/wireguard/0.0.20181119/build/device.c:404: Error: no such instruction: `asm_bug ins=".byte 0x0f, 0x0b"file=.LC7 line=404 flags=2305 size=12'
/var/lib/dkms/wireguard/0.0.20181119/build/device.c:404: Error: no such instruction: `annotate_reachable counter=163'
./arch/x86/include/asm/bitops.h:76: Error: no such instruction: `lock_prefix orb $32,328(%rax)'
make[1]: *** [scripts/Makefile.build:293: /var/lib/dkms/wireguard/0.0.20181119/build/peer.o] Error 1
make[1]: *** [scripts/Makefile.build:293: /var/lib/dkms/wireguard/0.0.20181119/build/device.o] Error 1
Assembler messages:
Error: can't open arch/x86/kernel/macros.s for reading: No such file or directory
./arch/x86/include/asm/refcount.h:90: Error: no such instruction: `lock_prefix decl 680(%rbx)'
./arch/x86/include/asm/refcount.h:91: Error: no such instruction: `refcount_check_lt_zero counter="680(%rbx)"'
./arch/x86/include/asm/refcount.h:90: Error: no such instruction: `lock_prefix decl 680(%rbx)'
./arch/x86/include/asm/refcount.h:91: Error: no such instruction: `refcount_check_lt_zero counter="680(%rbx)"'
./arch/x86/include/asm/atomic.h:200: Error: no such instruction: `lock_prefix cmpxchgl %ecx,(%rdx)'
./arch/x86/include/asm/refcount.h:109: Error: no such instruction: `refcount_error counter="(%rdx)"'
./arch/x86/include/asm/refcount.h:90: Error: no such instruction: `lock_prefix decl 680(%rbx)'
./arch/x86/include/asm/refcount.h:91: Error: no such instruction: `refcount_check_lt_zero counter="680(%rbx)"'
./arch/x86/include/asm/atomic64_64.h:160: Error: no such instruction: `lock_prefix xaddq %rax,keypair_counter(%rip)'
make[1]: *** [scripts/Makefile.build:293: /var/lib/dkms/wireguard/0.0.20181119/build/noise.o] Error 1
make: *** [Makefile:1565: _module_/var/lib/dkms/wireguard/0.0.20181119/build] Error 2
make: Leaving directory '/usr/src/linux-headers-4.20.0-rc4'



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