Re: sparc64 pbuilder/cowbuilder setup with qemu

[Gregor Riepl <onitake@gmail.com>]

After a lot of yak shaving, I managed to add some debugging to apt:

apt/apt-pkg/contrib/fileutl.cc:3364
return _error->Error("Could not switch saved set-user-ID (expected %lu 
got %lu)", (unsigned long) pw->pw_uid, (unsigned long) suid);

(added the typecast to be sure printf isn't doing anything unexpected)

This returns:
Reading package lists... Done
E: Method gave invalid 400 URI Failure message: Could not switch saved 
[set-user-ID] (expected 42 got 2752512)

Comparing these two values:

42      0x2A
2752512 0x2A0000

uid_t is defined as:
/usr/include/sparc64-linux-gnu/sys/types.h:typedef __uid_t uid_t;
/usr/include/sparc64-linux-gnu/bits/types.h:__STD_TYPE __UID_T_TYPE 
__uid_t;        /* Type of user identifications.  */
/usr/include/sparc64-linux-gnu/bits/typesizes.h:#define __UID_T_TYPE 
       __U32_TYPE
/usr/include/sparc64-linux-gnu/bits/types.h:#define __U32_TYPE 
unsigned int

struct passwd uses:
  __uid_t pw_uid;               /* User ID.  */