Date: Wed, 16 Aug 2000 15:23:55 +0800 (HKT) From: Scott Hazen Mueller <scott@zorch.sf-bay.org> To: freebsd-emulation@freebsd.org Subject: Linuxulator, getdents and Citrix Message-ID: <200008160723.PAA40427@zorba.sf-bay.org>
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I did some research on the archives before I posted this and found only one
thing, from December, that appeared relevant. If that fix has already been
rolled in, it didn't fix this problem.
Environment
FreeBSD zorba.sf-bay.org 4.1-STABLE FreeBSD 4.1-STABLE #0: Mon Jul 31 17:34:56 HKT 2000 scott@zorba.sf-bay.org:/export/obj/export/src/sys/ZORBA i386
XFree86-4.0 X11R6.4/XFree86 core distribution
citrix_ica-3.0.15 Citrix(R) client for the Microsoft Windows Terminal Server
linux_base-6.1 The base set of packages needed in Linux mode
linux_lib-2.6.1 These are the libraries necessary for linux compatibility.
linuxthreads-2.1.2 POSIX pthreads implementation using rfork to generate kernel
rpm-2.5.5 The Red Hat Package Manager
System was installed with 'make buildworld; make installworld', so /modules is
up-to-date.
The problem occurs when running the Citrix ICA (ASP) client for Linux. The
client operates correctly for the most part, allowing logins to the WinNT/
Citrix server system, displaying output correctly and the like. However, if
I use the facility in the ICA client to export a UNIX directory into the NT
environment, it doesn't work correctly. The mapped drive appears properly in
the folder listing in Explorer, and if I poke around I find that it's deduced
the correct amount of free space. If I create a directory using Folder->New
in the Windows NT environment, the directory appears in the UNIX filesystem.
What does not work is that I cannot see any of the UNIX files or directories
in the exported directory, even the one I've just created. I ran truss
against the ICA client. This is the snippet from around the attempt to access
the UNIX directory:
linux_ioctl(0x3,0x541b,0xbfbff084) = 3 (0x3)
linux_ioctl(0x3,0x541b,0xbfbff084) = 3 (0x3)
linux_select(0xbfbff668) = 1 (0x1)
linux_select(0xbfbff92c) = 1 (0x1)
linux_sigprocmask(0x0,0xbfbff934,0xbfbff930) = 3 (0x3)
gettimeofday(0xbfbff924,0xbfbff91c) = 2 (0x2)
linux_socketcall(0xa,0xbfbff830) = 2 (0x2)
linux_newstat("/export/home/scott/",0xbfbff628) = 2 (0x2)
linux_statfs(0x810dc88,0xbfbff5e8) = 2 (0x2)
linux_open("/etc/mtab",0,0666) ERR#2 'No such file or directory'
linux_newstat("/export/home/scott",0xbfbff54c) = 2 (0x2)
linux_open("/export/home/scott",0,00) = 3 (0x3)
linux_lseek(0x5,0x0,0x0) = 3 (0x3)
linux_lseek(0x5,0x0,0x1) = 3 (0x3)
linux_getdents(0x5,0x8133768,0x0) = 3 (0x3)
close(5) = 1 (0x1)
linux_socketcall(0x9,0xbfbff584) = 2 (0x2)
linux_sigprocmask(0x2,0xbfbff928,0xbfbff924) = 3 (0x3)
As nearly as I can tell, the linux_getdents call is returning a null result
instead of a correct set of directory entries. The failed access to /etc/mtab
seems irrelevant; I created a dummy mtab in an appropriate (Linux) format with
no change in behavior.
If this is a configuration problem, I'd certainly appreciate a pointer to the
change needed. If this is indeed a bug, I'll be happy to test any patches.
Thanks.
\scott
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