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Bug#446855: linux-image-2.6.22-2-amd64: problem with window scaling, again :(



Package: linux-image-2.6.22-2-amd64
Version: 2.6.22-4
Severity: normal

I observe this problem with 2.6.22-amd64, 2.6.20-i386, 2.6.18-amd64, but
not 2.6.15-i386.  Try

 wget www.copyleft-italia.it

and you should see it hang with the newer kernels after the GET.  The
symptoms are similar to those described and explained in
<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=267342>, but this may
be a different problem, as 2.6.15 works.  As usual, the workaround is

 echo 0 > /proc/sys/net/ipv4/tcp_window_scaling

as root, and

 net.ipv4.tcp_window_scaling = 0

in /etc/sysctl.conf.

-- System Information:
Debian Release: lenny/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'testing-proposed-updates')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.22-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=C, LC_CTYPE=it_IT@euro (charmap=ANSI_X3.4-1968) (ignored: LC_ALL set to C)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-2.6.22-2-amd64 depends on:
ii  e2fsprogs                    1.40.2-1    ext2 file system utilities and lib
ii  initramfs-tools [linux-initr 0.90a       tools for generating an initramfs
ii  module-init-tools            3.3-pre11-4 tools for managing Linux kernel mo

linux-image-2.6.22-2-amd64 recommends no packages.

-- debconf information:
  linux-image-2.6.22-2-amd64/preinst/initrd-2.6.22-2-amd64:
  linux-image-2.6.22-2-amd64/preinst/already-running-this-2.6.22-2-amd64:
  linux-image-2.6.22-2-amd64/preinst/bootloader-initrd-2.6.22-2-amd64: true
  linux-image-2.6.22-2-amd64/preinst/lilo-has-ramdisk:
  linux-image-2.6.22-2-amd64/prerm/removing-running-kernel-2.6.22-2-amd64: true
  linux-image-2.6.22-2-amd64/preinst/abort-install-2.6.22-2-amd64:
  linux-image-2.6.22-2-amd64/postinst/bootloader-test-error-2.6.22-2-amd64:
  linux-image-2.6.22-2-amd64/preinst/lilo-initrd-2.6.22-2-amd64: true
  linux-image-2.6.22-2-amd64/preinst/failed-to-move-modules-2.6.22-2-amd64:
  linux-image-2.6.22-2-amd64/postinst/depmod-error-2.6.22-2-amd64: false
  linux-image-2.6.22-2-amd64/preinst/abort-overwrite-2.6.22-2-amd64:
  linux-image-2.6.22-2-amd64/postinst/bootloader-error-2.6.22-2-amd64:
  shared/kernel-image/really-run-bootloader: true
  linux-image-2.6.22-2-amd64/prerm/would-invalidate-boot-loader-2.6.22-2-amd64: true
  linux-image-2.6.22-2-amd64/postinst/old-system-map-link-2.6.22-2-amd64: true
  linux-image-2.6.22-2-amd64/postinst/old-initrd-link-2.6.22-2-amd64: true
  linux-image-2.6.22-2-amd64/preinst/elilo-initrd-2.6.22-2-amd64: true
  linux-image-2.6.22-2-amd64/postinst/kimage-is-a-directory:
  linux-image-2.6.22-2-amd64/postinst/old-dir-initrd-link-2.6.22-2-amd64: true
  linux-image-2.6.22-2-amd64/postinst/depmod-error-initrd-2.6.22-2-amd64: false
  linux-image-2.6.22-2-amd64/preinst/overwriting-modules-2.6.22-2-amd64: true
  linux-image-2.6.22-2-amd64/postinst/create-kimage-link-2.6.22-2-amd64: true




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