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Re: [vox-tech] Password: prompts freeze up
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Re: [vox-tech] Password: prompts freeze up

On Mon, Feb 07, 2005 at 08:26:19PM -0800, Ken Bloom wrote:
> I'm running into a very bizarre problem running Debian Sid. (Last
> dist-upgraded yesterday evening)
> I'm trying to use sudo to dist-upgrade, and whenever I get to the
> password prompt, the sudo process (but nothing else) freezes up beyond
> the point of even being killed with kill -9. This has happened to me
> last night and this night, and I recovered by doing a hard reboot
> (obviously, I cannot `sudo reboot' like ususal) and it worked for the
> rest of the evening, and most of today.
> This happens with login, su, and sudo.
> When I strace sudo, the following happens:
> munmap(0xb7fd5000, 81055)               = 0
> geteuid32()                             = 1000
> write(2, "sudo: ", 6sudo: )                   = 6
> write(2, "must be setuid root", 19must be setuid root)     = 19
> write(2, "\n", 1
> )                       = 1
> exit_group(1)                           = ?
> obviously, that won't help
> when I strace su, it freezes right around here (after entering the
> password):
> read(3, "TZif\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\4\0\0\0\4\0"...,
> 4096) = 1017 close(3)                                = 0
> munmap(0xb7cde000, 4096)                = 0
> getpid()                                = 11841
> rt_sigaction(SIGPIPE, {0xb7f3c530, [], 0}, {SIG_DFL}, 8) = 0
> socket(PF_FILE, SOCK_DGRAM, 0)          = 3
> fcntl64(3, F_SETFD, FD_CLOEXEC)         = 0
> connect(3, {sa_family=AF_FILE, path="/dev/log"}, 16) = 0
> send(3, "<37>Feb  7 20:16:57 su[11841]: ("..., 138, 0
> Any ideas?
> -- Ken Bloom

After poking around a bit, I found http://bugs.debian.org/95480, 
#95480: sysklogd; stops login, cron, sshd, everything that changes the user
which seems to describe the problematic behavior (although he's found
it unrepeatable)

in a desire to keep my system working, I have switched to syslog-ng.

--Ken Bloom

I usually have a GPG digital signature included as an attachment.
See http://www.gnupg.org/ for info about these digital signatures.

Attachment: signature.asc
Description: Digital signature

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