kernel-packages team mailing list archive

[Christophe Lyon <christophe.lyon@xxxxxxxxxx>]

Updating arch/arm64/Makefile to have:

ifeq ($(CONFIG_ARM64_ERRATUM_843419), y)
KBUILD_CFLAGS_MODULE    += -mcmodel=large
KBUILD_CFLAGS_MODULE    += $(call cc-option, -mpc-relative-literal-loads)
endif

does the trick.

Is this a good solution for you?

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https://bugs.launchpad.net/bugs/1533009

Title:
  arm64: "unsupported RELA relocation"

Status in Linaro GCC:
  Unknown
Status in Linux:
  Unknown
Status in gcc-5 package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Triaged

Bug description:
  linux-image-4.3.0-5-generic 4.3.0-5.16 arm64 fails to load modules
  (and therefore boot). It emits messages like the following for each
  attempted module load:

  [    2.156817] module libahci: unsupported RELA relocation: 275

  This is reminiscent of LP: #1502946 - except that fix appears to still
  be in-tact. What has changed, however, is the build environment. If I
  rebuild the same kernel source in a wily chroot, it boots fine.

  Marking "Confirmed" because Paulo Pisatti reported this to me, and I
  reproduced.

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