yum update on F8 now hangs as of today

[Fulko Hew]

On Wed, Nov 26, 2008 at 8:26 PM, Fulko Hew <fulko.hew at gmail.com> wrote:

> For a variety of reasons, I'm still using F8 on my laptop.
> I've been keeping up-to-date whenever new packages appear.
>
> Today I see that there are a number of new packages:
>

... snip ...


> but yum hangs during the 'transaction test'
>
> CPU time goes to zero... there is no activity.
>
> I tried 'yum clean all'... no change.
> I tried yum install of only a single package, and it still hangs.
> I tried turning on debug:
>

... snip ...


> Does anyone have any suggestions?
>

Following up on my own message, I did an strace on yum
and see the following:

open("/etc/mtab", O_RDONLY|O_LARGEFILE) = 29
futex(0x50ab1c, FUTEX_WAKE_PRIVATE, 2147483647) = 0
fstat64(29, {st_mode=S_IFREG|0644, st_size=379, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7fa1000
read(29, "/dev/sda3 / ext3 rw 0 0\nproc /pr"..., 4096) = 379
stat64("/", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
stat64("/proc", {st_mode=S_IFDIR|0555, st_size=0, ...}) = 0
stat64("/sys", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
stat64("/dev/pts", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
stat64("/boot", {st_mode=S_IFDIR|0755, st_size=3072, ...}) = 0
stat64("/dev/shm", {st_mode=S_IFDIR|S_ISVTX|0777, st_size=60, ...}) = 0
stat64("/proc/sys/fs/binfmt_misc", {st_mode=S_IFDIR|0755, st_size=0, ...}) =
0
stat64("/var/lib/nfs/rpc_pipefs", {st_mode=S_IFDIR|0755, st_size=0, ...}) =
0
stat64("/sys/fs/fuse/connections", {st_mode=S_IFDIR|0755, st_size=0, ...}) =
0
stat64("/mnt/temp", ^C <unfinished ...>


/mnt/temp was something I had NFS mounted earlier on today,
but I suspended my laptop and took it home, so the mountpoint
isn't valid right now.

So yum does a stat on all mountpoints, for some reason, and if they don't
exist, the OS hangs the process.  Who knows, it may eventually time out,
but life is/was too short to wait for timeout.
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