Opening support case not working + building kernel modules fails

[Tom_SNCB]

Hello,

I'm having an issue building the kernel modules on Linux. I know I should not post this here and open a support case for this but the webpage for opening the support case is not working. When I try to create the case it asks me to upload a log file. When I try to add the log file, the upload always times out and submitting the case without log file is not allowed I've tried different browsers Edge/Firefox but the same problem.

Problem I'm having is building the kernel modules fails on Debian Trixie:

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Building module(s)...(bad exit status: 2)
Failed command:
make -j4 KERNELRELEASE=6.12.73+deb13-amd64 -C /lib/modules/6.12.73+deb13-amd64/build M=/var/lib/dkms/veeamsnap/13.0.1.203/build modules

Error! Bad return status for module build on kernel: 6.12.73+deb13-amd64 (x86_64)

Details of the make.log:

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  CC [M]  /var/lib/dkms/veeamsnap/13.0.1.203/build/blk_deferred.o
/var/lib/dkms/veeamsnap/13.0.1.203/build/blk_direct.c:159:5: warning: no previous prototype for ‘_dev_direct_submit_pages’ [-Wmissing-prototypes]
  159 | int _dev_direct_submit_pages(
      |     ^~~~~~~~~~~~~~~~~~~~~~~~
/var/lib/dkms/veeamsnap/13.0.1.203/build/blk_util.c: In function ‘blk_dev_open’:
/var/lib/dkms/veeamsnap/13.0.1.203/build/blk_util.c:37:15: error: implicit declaration of function ‘blkdev_get_by_dev’; did you mean ‘blkdev_get_no_open’? [-Wimplicit-function-declaration]
   37 |     blk_dev = blkdev_get_by_dev(dev_id, fmode,
      |               ^~~~~~~~~~~~~~~~~
      |               blkdev_get_no_open
/var/lib/dkms/veeamsnap/13.0.1.203/build/blk_util.c:37:13: error: assignment to ‘struct block_device *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
   37 |     blk_dev = blkdev_get_by_dev(dev_id, fmode,
      |             ^
/var/lib/dkms/veeamsnap/13.0.1.203/build/blk_util.c: In function ‘blk_dev_close’:
/var/lib/dkms/veeamsnap/13.0.1.203/build/blk_util.c:54:5: error: implicit declaration of function ‘blkdev_put’; did you mean ‘bdev_fput’? [-Wimplicit-function-declaration]
   54 |     blkdev_put(blk_dev,
      |     ^~~~~~~~~~
      |     bdev_fput
make[2]: *** [/usr/src/linux-headers-6.12.73+deb13-common/scripts/Makefile.build:234: /var/lib/dkms/veeamsnap/13.0.1.203/build/blk_util.o] Error 1
make[2]: *** Waiting for unfinished jobs....
/var/lib/dkms/veeamsnap/13.0.1.203/build/blk_redirect.c:127:32: warning: no previous prototype for ‘_bio_endio_alloc_list’ [-Wmissing-prototypes]
  127 | blk_redirect_bio_endio_list_t* _bio_endio_alloc_list( struct bio* new_bio )
      |                                ^~~~~~~~~~~~~~~~~~~~~
/var/lib/dkms/veeamsnap/13.0.1.203/build/blk_redirect.c:137:6: warning: no previous prototype for ‘bio_endio_list_push’ [-Wmissing-prototypes]
  137 | int  bio_endio_list_push( blk_redirect_bio_endio_t* rq_endio, struct bio* new_bio )
      |      ^~~~~~~~~~~~~~~~~~~
/var/lib/dkms/veeamsnap/13.0.1.203/build/blk_redirect.c:156:6: warning: no previous prototype for ‘bio_endio_list_cleanup’ [-Wmissing-prototypes]
  156 | void bio_endio_list_cleanup( blk_redirect_bio_endio_list_t* curr )
      |      ^~~~~~~~~~~~~~~~~~~~~~
/var/lib/dkms/veeamsnap/13.0.1.203/build/blk_redirect.c:165:5: warning: no previous prototype for ‘_blk_dev_redirect_part_fast’ [-Wmissing-prototypes]
  165 | int _blk_dev_redirect_part_fast( blk_redirect_bio_endio_t* rq_endio, int direction, struct block_device*  blk_dev, sector_t target_pos, sector_t rq_ofs, sector_t rq_count )
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
/var/lib/dkms/veeamsnap/13.0.1.203/build/blk_deferred.c:249:10: warning: no previous prototype for ‘_blk_deferred_submit_pages’ [-Wmissing-prototypes]
  249 | sector_t _blk_deferred_submit_pages(
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~

 

OS:

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Linux version 6.12.73+deb13-amd64 (debian-kernel@lists.debian.org) (x86_64-linux-gnu-gcc-14 (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44) #1 SMP PREEMPT_DYNAMIC Debian 6.12.73-1 (2026-02-17)

PRETTY_NAME="Debian GNU/Linux 13 (trixie)"
NAME="Debian GNU/Linux"
VERSION_ID="13"
VERSION="13 (trixie)"