Gentoo Archives: gentoo-user

From: Alan McKinnon <alan.mckinnon@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] udev-191 bit me. Insufficient ptys
Date: Thu, 31 Jan 2013 15:24:16
Message-Id: 20130131172312.4595fc24@khamul.example.com
In Reply to: [gentoo-user] udev-191 bit me. Insufficient ptys by Michael Mol
1 On Wed, 30 Jan 2013 22:35:06 -0500
2 Michael Mol <mikemol@×××××.com> wrote:
3
4 > So, I botched the upgrade to udev-191. I thought I'd followed the
5 > steps, but I apparently only covered them for one machine, not both.
6 >
7 > The news item instructions specified that I had to remove
8 > udev-postmount from my runlevels. I didn't have udev-postmount in my
9 > runlevels, so I didn't remove it. Turns out, that dictum also applies
10 > to udev-mount. So after removing that[1], I was able to at least boot
11 > again.
12 >
13 > Udev also complained about DEVTMPFS not being enabled in the
14 > kernel.[2] I couldn't get into X, but I could log in via getty and a
15 > plain old vt, so I enabled it, rebuilt the kernel, installed it and
16 > rebooted...and now that's presumably covered.
17 >
18 > I'm now able to get into X, but when I try to run an xterm, it fails.
19 > Checking ~/.xsession_errors, I find:
20 >
21 > xterm: Error 32, error 2: No such file or directory
22 > Reason: get_pty: not enough ptys
23 >
24 > I find this bizarre, as I'd never had any trouble with xterm in this
25 > way before. What'd I do wrong, and how do I recover? I don't trust
26 > emerging at this point; I tried re-emerging udev, and I aborted after
27 > I saw an stderr line about failing to open a pty, even though portage
28 > does quiet builds for parallel building by default...so I doubt
29 > whatever emitted that line on stderr was being properly guarded
30 > against the failure.
31 >
32 > [1] I didn't have a boot cd or similar to work with, so I used the old
33 > init=/bin/sh trick on the command line. That was functional. And then
34 > I tried init=/usr/bin/vim, and things got real. :)
35 >
36 > [2] Sparking a bemused discussion with a friend at tonight's LUG
37 > meeting over the devfs->udev->udev+devtmpfs progression, but that's a
38 > different story.
39
40 I can't get any kernel >=gentoo-sources-3.7.1 to work properly with
41 vtys either.
42
43 3.7.1 is fine, anything earlier is fine.
44 I haven't bothered tracking it down further than that (have a severe
45 dose of laziness right now...)
46
47 What kernel are you running on these affected hosts?
48
49 --
50 Alan McKinnon
51 alan.mckinnon@×××××.com

Replies

Subject Author
Re: [gentoo-user] udev-191 bit me. Insufficient ptys Michael Mol <mikemol@×××××.com>