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Bug#524199: marked as done (linux-image-2.6.26-1-686: nfs unusable)

Your message dated Wed, 10 Jun 2009 01:54:00 +0000
with message-id <E1MED0q-0003DY-9O@ries.debian.org>
and subject line Bug#524199: fixed in user-mode-linux 2.6.26-1um-2+16
has caused the Debian Bug report #524199,
regarding linux-image-2.6.26-1-686: nfs unusable
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
524199: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=524199
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6.26-1-686
Version: 2.6.26-13lenny2
Severity: important
Tags: patch


Overtime any system with NFS usage grinds to a crawl. While root or /usr on
NFS are most affected the same problem should affect other NFS usage. The
symptoms are extremely high system load, taking 20 minutes to open/close
applications, taking half a minute to create the menu on right click in KDE,
becoming unusable for 5 minutes while rebuilding menus in KDE, etc.

This is reported multiple times versus other packages elsewhere (mostly KDE
due to the idiotic way it builds its menus).

The reason seems to be: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git&a=commitdiff&h=23918b03060f6e572168fdde1798a905679d2e06

discussed here: http://lkml.indiana.edu/hypermail/linux/kernel/0812.2/00418.html

On the positive side this made me find out that a whole bunch of programs
are coded with the left foot. This patch needs to be retrofitted
into the kernel to make it usable again for anyone using NFS and especially
diskless clients.

Otherwise, nfs in current kernel is unusable. After waiting for 30 minutes for tex to 
update its map on an otherwise fast machine I downgraded all of my diskless clients to 
2.6.18


-- Package-specific info:

-- System Information:
Debian Release: 5.0.1
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.18-6-686 (SMP w/1 CPU core)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-2.6.26-1-686 depends on:
ii  debconf [debconf-2.0]         1.5.24     Debian configuration management sy
ii  initramfs-tools [linux-initra 0.92o      tools for generating an initramfs
ii  module-init-tools             3.4-1      tools for managing Linux kernel mo

Versions of packages linux-image-2.6.26-1-686 recommends:
ii  libc6-i686                    2.7-18     GNU C Library: Shared libraries [i

Versions of packages linux-image-2.6.26-1-686 suggests:
ii  grub                       0.97-47lenny2 GRand Unified Bootloader (Legacy v
ii  lilo                       1:22.8-7      LInux LOader - The Classic OS load
pn  linux-doc-2.6.26           <none>        (no description available)

-- debconf-show failed

--- End Message ---
--- Begin Message --- 
Source: user-mode-linux
Source-Version: 2.6.26-1um-2+16

We believe that the bug you reported is fixed in the latest version of
user-mode-linux, which is due to be installed in the Debian FTP archive:

user-mode-linux_2.6.26-1um-2+16.diff.gz
  to pool/main/u/user-mode-linux/user-mode-linux_2.6.26-1um-2+16.diff.gz
user-mode-linux_2.6.26-1um-2+16.dsc
  to pool/main/u/user-mode-linux/user-mode-linux_2.6.26-1um-2+16.dsc
user-mode-linux_2.6.26-1um-2+16_i386.deb
  to pool/main/u/user-mode-linux/user-mode-linux_2.6.26-1um-2+16_i386.deb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 524199@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
dann frazier <dannf@debian.org> (supplier of updated user-mode-linux package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Format: 1.8
Date: Tue, 09 Jun 2009 16:47:27 -0600
Source: user-mode-linux
Binary: user-mode-linux
Architecture: source i386
Version: 2.6.26-1um-2+16
Distribution: stable
Urgency: high
Maintainer: User Mode Linux Maintainers <pkg-uml-pkgs@lists.alioth.debian.org>
Changed-By: dann frazier <dannf@debian.org>
Description: 
 user-mode-linux - User-mode Linux (kernel)
Closes: 466491 498271 511334 514268 514627 520551 521420 523359 523360 523364 524199 524300 525060 526836 527101 529312 529864 530884
Changes: 
 user-mode-linux (2.6.26-1um-2+16) stable; urgency=high
 .
   * Rebuild against linux-source-2.6.26 (2.6.26-16):
     [ maximilian attems ]
     * [openvz] 5dcfcf5 NETLINK: disable netns broadcast filtering.
       (closes: #520551)
     * Fix SQLite performance regression. (closes: #521420)
     * [openvz] 0c295ff cfq link cfq_bc_data without bc io sched.
       (closes: #523364)
     * [openvz] 7e0f90d cfq: revalidate cached async queue.
       (closes: #523359)
     * [openvz] e4cea21 VE: fix idle time accounting.
     * [openvz] 19b8e13 ptrace: ban ptracing of a container init from inside the
       container. (closes: #523360)
     * [openvz] 5b58141 ubc: uncharging too much for TCPSNDBUF.
     * [openvz] 0ff728e ve: show task's vpid and veid even inside a container.
 .
     [ dann frazier ]
     * [s390] Fix __div64_31 for CONFIG_MARCH_G5 (Closes: #511334)
     * SUNRPC: Fix a performance regression in the RPC authentication code
       (Closes: #524199)
     * [x86] fix IBM Summit based systems' phys_cpu_present_map on 32-bit
       kernels (closes: #529312)
     * Fix soft lockups caused by one md resync blocking on another due
       to sharing the same device (closes: #514627)
     * [sparc64] Fix crash when reading /proc/iomem w/ heap memory checking
       (CVE-2009-1914)
     * splice: fix deadlock in ocfs2 (CVE-2009-1961)
     * e1000: add missing length check to e1000 receive routine (CVE-2009-1385)
     * r8169: fix crash when large packets are received (CVE-2009-1389)
 .
     [ Martin Michlmayr ]
     * cdc-acm: Add quirk for MTK II GPS, such as Qstarz BT-Q1000X (closes:
       #525060)
     * USB: ftdi_sio: add vendor/product id for the Marvell SheevaPlug.
     * [mipsel/r5k-cobalt] Enable SCSI_SYM53C8XX_2 (closes: #526836).
     * [mips/r4k-ip22] Enable NET_ISA and various ISA network modules on
       the request of Damian Dimmich since they might be useful on the
       SGI Indigo2.
 .
     [ John Wright ]
     * [x86] gettimeofday() vDSO: fix segfault when tv == NULL (Closes: #466491)
 .
     [ Ian Campbell ]
     * [x86/xen] Apply missing syscall detection patch to -xen-amd64 image
       (Closes: #527101)
     * [xen] Add support for CDROM_GET_CAPABILITY to blkfront driver
       (Closes: #529864)
 .
     [ Ben Hutchings ]
     * sata_nv: avoid link reset on controllers where it's broken
       (Closes: #498271)
     * r8169: fix multicast filtering for RTL8101 and RTL8168 (Closes: #514268)
     * asus_acpi: don't load asus-acpi if model is not supported
       (Closes: #524300)
     * iwl4965: avoid sleep in softirq context (Closes: #530884)
Checksums-Sha1: 
 5a838be0b6d9c80ef0e9cd3166b2dabb5e70122e 1242 user-mode-linux_2.6.26-1um-2+16.dsc
 f8ad7fb460b70b1a7c35a6a145d8fe7c923bec59 14608 user-mode-linux_2.6.26-1um-2+16.diff.gz
 8c92bd98f4f6dd7f9812316c334171bdf6ab5274 5354222 user-mode-linux_2.6.26-1um-2+16_i386.deb
Checksums-Sha256: 
 561c9d73d27efcd7086d864e7320386ceb09c14c48247cc8f464ef0b1a964c29 1242 user-mode-linux_2.6.26-1um-2+16.dsc
 16deedc5ad410eb23463e8e6048321cd7b4f2700760553a0024ad52e214db981 14608 user-mode-linux_2.6.26-1um-2+16.diff.gz
 e43ae359013ef61111792accc0fdb1f3373f6ce084428a432f7d1584312de23a 5354222 user-mode-linux_2.6.26-1um-2+16_i386.deb
Files: 
 1c330c7b90a949a8717f40b71522015a 1242 misc extra user-mode-linux_2.6.26-1um-2+16.dsc
 c8f3820600488268d06b8ee3f68a2282 14608 misc extra user-mode-linux_2.6.26-1um-2+16.diff.gz
 3e5b785dd366ad90035954cbab019d5b 5354222 misc extra user-mode-linux_2.6.26-1um-2+16_i386.deb

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--- End Message ---
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