OK, here's a patch that fixes this problem. With this, you can now 
'make' at the top level and everything just works.

So, can we expect a 0.7.11 release anytime soon? :)

Thanks,
Paul

Paul Clements wrote:
> We've recently been trying to certify DRBD (we've tried both 0.7.5 and 
> 0.7.10 with the same results) on ppc64 with RHEL3.
> 
> Unfortunately, we have run into two fairly serious issues:
> 
> 1) we had to hack up the source just to get it to build:
> 
> The basic problem is that the adjust_drbd_config_h.sh script is not 
> doing the right thing for RHEL3 on ppc64. RHEL3 has a find_next_bit() 
> function, and on most architectures it's an inline function. However, on 
> ppc64 it's not inline and it's not exported, which means drbd (being a 
> module) can't use it. So we have to actually disable the 
> HAVE_FIND_NEXT_BIT setting in drbd_config.h. Also, there is no 
> arch-specific find_next_bit function for ppc64 in drbd_compat_types.h, 
> so we have to use the generic find_next_bit function that's in that file 
> (by defining USE_GENERIC_FIND_NEXT_BIT in drbd_config.h). Of course, 
> when this function is defined, it conflicts with the previous 
> find_next_bit function declaration from the kernel headers 
> (asm-ppc64/bitops.h). So, we had to rename the generic function to 
> generic_find_next_bit and change all calls in the drbd source (just one 
> in drbd_bitmap.c) to use generic_find_next_bit instead of find_next_bit.
> 
> 
> 2) additionally, the driver appears to start up fine on both machines, 
> but when the resync begins, it quickly stalls and never makes any progress
> 
> 
> Included are the DRBD config and other system information. Please let me 
> know if you need any further information.
> 
> Thanks,
> Paul
> 
> 
> --------
> After starting drbd on the source system (already running on the 
> target), this happens:
> 
> [root@trumpkin root]# cat /proc/drbd
> version: 0.7.5 (api:76/proto:74)
> SVN Revision: 1578 build by root@tumnus, 2005-04-29 10:13:28
>  0: cs:SyncSource st:Secondary/Secondary ld:Consistent
>     ns:128 nr:0 dw:0 dr:128 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
>         [>...................] sync'ed:  0.9% (978816/978944)K
>         finish: 2:43:08 speed: 32 (32) K/sec
> 
> [root@trumpkin root]# cat /proc/drbd
> version: 0.7.5 (api:76/proto:74)
> SVN Revision: 1578 build by root@tumnus, 2005-04-29 10:13:28
>  0: cs:SyncSource st:Secondary/Secondary ld:Consistent
>     ns:128 nr:0 dw:0 dr:128 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
>         [>...................] sync'ed:  0.9% (978816/978944)K
>         finish: 7:28:37 speed: 8 (8) K/sec
> 
> [root@trumpkin root]# cat /proc/drbd
> version: 0.7.5 (api:76/proto:74)
> SVN Revision: 1578 build by root@tumnus, 2005-04-29 10:13:28
>  0: cs:SyncSource st:Secondary/Secondary ld:Consistent
>     ns:128 nr:0 dw:0 dr:128 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
>         [>...................] sync'ed:  0.9% (978816/978944)K
>         finish: 8:09:24 speed: 8 (8) K/sec
> 
> [root@trumpkin root]# uname -a
> Linux trumpkin 2.4.21-27.EL #1 SMP Wed Dec 1 21:53:20 EST 2004 ppc64 
> ppc64 ppc64
>  GNU/Linux
> 
> 
> --------
> On the target, this is reported:
> 
> [root@tumnus root]# cat /proc/drbd
> version: 0.7.5 (api:76/proto:74)
> SVN Revision: 1578 build by root@tumnus, 2005-04-29 10:13:28
>  0: cs:SyncTarget st:Secondary/Secondary ld:Inconsistent
>     ns:0 nr:128 dw:128 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
>         [>...................] sync'ed:  0.9% (978816/978944)K
>         finish: 106:02:18 speed: 0 (0) K/sec
> 
> [root@tumnus root]# cat /proc/drbd
> version: 0.7.5 (api:76/proto:74)
> SVN Revision: 1578 build by root@tumnus, 2005-04-29 10:13:28
>  0: cs:SyncTarget st:Secondary/Secondary ld:Inconsistent
>     ns:0 nr:128 dw:128 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
>         [>...................] sync'ed:  0.9% (978816/978944)K
>         finish: 117:35:37 speed: 0 (0) K/sec
> 
> [root@tumnus root]# cat /proc/drbd
> version: 0.7.5 (api:76/proto:74)
> SVN Revision: 1578 build by root@tumnus, 2005-04-29 10:13:28
>  0: cs:SyncTarget st:Secondary/Secondary ld:Inconsistent
>     ns:0 nr:128 dw:128 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0
>         [>...................] sync'ed:  0.9% (978816/978944)K
>         finish: 118:16:24 speed: 0 (0) K/sec
> 
> [root@tumnus root]# uname -a
> Linux tumnus 2.4.21-27.EL #1 SMP Wed Dec 1 21:53:20 EST 2004 ppc64 ppc64 
> ppc64 GNU/Linux