kernel fails to build after enabling arm64 64k page support on Ubuntu-3.13.0-46.75

[Craig Magina]

Here is the failure:

In file included from /home/ubuntu/trusty-xgene/drivers/staging/lustre/include/linux/libcfs/libcfs.h:159:0,
                 from /home/ubuntu/trusty-xgene/drivers/staging/lustre/lustre/llite/../include/lustre_lib.h:49,
                 from /home/ubuntu/trusty-xgene/drivers/staging/lustre/lustre/llite/lloop.c:106:
/home/ubuntu/trusty-xgene/drivers/staging/lustre/lustre/llite/lloop.c: In function ‘loop_set_fd’:
/home/ubuntu/trusty-xgene/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h:418:53: error: duplicate case
 value
 #define CLASSERT(cond) do {switch(42) {case (cond): case 0: break;}} while (0)
                                                     ^
/home/ubuntu/trusty-xgene/drivers/staging/lustre/lustre/llite/lloop.c:525:2: note: in expansion of macro ‘CLASSERT’
  CLASSERT(PAGE_CACHE_SIZE < (1 << (sizeof(unsigned short) * 8)));
  ^
/home/ubuntu/trusty-xgene/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h:418:40: error: previously use
d here
 #define CLASSERT(cond) do {switch(42) {case (cond): case 0: break;}} while (0)
                                        ^
/home/ubuntu/trusty-xgene/drivers/staging/lustre/lustre/llite/lloop.c:525:2: note: in expansion of macro ‘CLASSERT’
  CLASSERT(PAGE_CACHE_SIZE < (1 << (sizeof(unsigned short) * 8)));
  ^
make[7]: *** [drivers/staging/lustre/lustre/llite/lloop.o] Error 1
make[6]: *** [drivers/staging/lustre/lustre/llite] Error 2
make[5]: *** [drivers/staging/lustre/lustre] Error 2
make[4]: *** [drivers/staging/lustre] Error 2
make[3]: *** [drivers/staging] Error 2
make[3]: *** Waiting for unfinished jobs....

A patch was submitted upstream, but it was not up to the standards required for acceptance.
https://lkml.org/lkml/2015/1/30/212

[Brad Figg (brad-figg)]

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1423596

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Craig Magina (craig.magina)]

This is a build failure and the build failure is included in the initial description.

[Ariel Martin Brunetto (abrunetto)]

Same here, failing in another expresion: (sizeof(lum) == sizeof(struct lov_mds_md_v3)).
I am using the following kernel compile configuration:

ARCH=ARM (versatilepb)
CROSS_COMPILE=arm-none-linux-gnueabi-
VERSION=linux-source-3.13.0
OS=UBUNTU 14.04

In file included from drivers/staging/lustre/include/linux/libcfs/libcfs.h:159:0,
                 from drivers/staging/lustre/lustre/lov/../include/lustre_net.h:60,
                 from drivers/staging/lustre/lustre/lov/lov_pack.c:45:
drivers/staging/lustre/lustre/lov/lov_pack.c: In function 'lov_getstripe':
drivers/staging/lustre/include/linux/libcfs/libcfs_private.h:418:53: error: duplicate case value
 #define CLASSERT(cond) do {switch(42) {case (cond): case 0: break;}} while (0)
                                                     ^
drivers/staging/lustre/lustre/lov/lov_pack.c:632:2: note: in expansion of macro 'CLASSERT'
  CLASSERT(sizeof(lum) == sizeof(struct lov_mds_md_v3));
  ^
drivers/staging/lustre/include/linux/libcfs/libcfs_private.h:418:40: error: previously used here
 #define CLASSERT(cond) do {switch(42) {case (cond): case 0: break;}} while (0)
                                        ^
drivers/staging/lustre/lustre/lov/lov_pack.c:632:2: note: in expansion of macro 'CLASSERT'
  CLASSERT(sizeof(lum) == sizeof(struct lov_mds_md_v3));
  ^
make[5]: *** [drivers/staging/lustre/lustre/lov/lov_pack.o] Error 1
make[4]: *** [drivers/staging/lustre/lustre/lov] Error 2
make[3]: *** [drivers/staging/lustre/lustre] Error 2
make[2]: *** [drivers/staging/lustre] Error 2
make[1]: *** [drivers/staging] Error 2
make: *** [drivers] Error 2