[CentOS] Yum hangs while doing update

Mon Jul 1 19:22:57 UTC 2013
ken <gebser at mousecar.com>

On 07/01/2013 02:46 PM Eero Volotinen wrote:
> try using strace -p PID-OF-YUM and output to mailinglist

Here's the last few lines of strace:

...
open("/var/lib/rpm/__db.002", O_RDWR|O_LARGEFILE) = 4
fcntl64(4, F_SETFD, FD_CLOEXEC)         = 0
mmap2(NULL, 1318912, PROT_READ|PROT_WRITE, MAP_SHARED, 4, 0) = 0xb79db000
close(4)                                = 0
stat64("/var/lib/rpm/__db.003", {st_mode=S_IFREG|0644, st_size=450560, 
...}) = 0
open("/var/lib/rpm/__db.003", O_RDWR|O_LARGEFILE) = 4
fcntl64(4, F_SETFD, FD_CLOEXEC)         = 0
mmap2(NULL, 450560, PROT_READ|PROT_WRITE, MAP_SHARED, 4, 0) = 0xb796d000
close(4)                                = 0
stat64("/var/lib/rpm/Packages", {st_mode=S_IFREG|0644, 
st_size=110592000, ...}) = 0
open("/var/lib/rpm/Packages", O_RDONLY|O_LARGEFILE) = 4
fcntl64(4, F_SETFD, FD_CLOEXEC)         = 0
read(4, 
"\0\0\0\0\1\0\0\0\0\0\0\0a\25\6\0\10\0\0\0\0\20\0\0\0\10\0\0YV\0\0"..., 
512) = 512
close(4)                                = 0
open("/var/lib/rpm/Packages", O_RDONLY|O_LARGEFILE) = 4
fcntl64(4, F_SETFD, FD_CLOEXEC)         = 0
fstat64(4, {st_mode=S_IFREG|0644, st_size=110592000, ...}) = 0
futex(0xb79b56ac, FUTEX_WAIT, 1, NULL

It hangs there.

Significantly, this 'rpm' command hangs also:

# rpm -vv -V rpm
D: opening  db environment /var/lib/rpm/Packages joinenv
D: opening  db index       /var/lib/rpm/Packages rdonly mode=0x0

So the problem may well be with 'rpm'.