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Bug#618979: marked as done ([linux-image-2.6.38-1-amd64] System becomes very slow)



Your message dated Wed, 30 Mar 2011 21:49:36 +0800
with message-id <20110330134936.GA3667@blueice2>
and subject line This bug is fixed in 2.6.38-2
has caused the Debian Bug report #618979,
regarding [linux-image-2.6.38-1-amd64] System becomes very slow
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.

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-- 
618979: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=618979
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Package: linux-image-2.6.38-1-amd64
Version: 2.6.38-1
Severity: important

After upgrade to linux-image-2.6.38-1-amd64, system become very slow. For 
example, I open konsole, run "vmstat 1" in one tab, and open another tab. 

On 2.6.38-1, vmstat shows:
$ vmstat 1 40
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 3  0      0 3183132 108740 394996    0    0   312    17  341  225 42 22 32  3
 0  0      0 3183132 108740 394996    0    0     0   100  310  179 11  6 83  0
 0  0      0 3183008 108740 394996    0    0     0     0  257  206  7  4 89  0
 0  0      0 3183008 108740 394996    0    0     0     0  254  169  7  3 90  0
 0  0      0 3183008 108740 394996    0    0     0     0  272  198  8  3 89  0
 0  0      0 3183008 108740 394996    0    0     0     0  242  167  7  2 91  0
 0  0      0 3183008 108740 394996    0    0     0     0  296  239  8  3 89  0
 3  0      0 3182992 108740 394996    0    0     0     0  536  346 43 30 27  0
 2  0      0 3181984 108740 394996    0    0     0     0  547  316 65 23 12  0
 1  0      0 3181992 108740 394996    0    0     0     0  752  296 53  6 41  0
 2  0      0 3182488 108740 394996    0    0     0     0 1225  653 53 21 26  0
 3  0      0 3181736 108740 394996    0    0     0     0 1058  370 71 27  2  0
 1  0      0 3181860 108740 394996    0    0     0     0  756  350 32 56 11  0
 1  0      0 3181744 108756 394980    0    0     0    40  754  340 19 45 28  8
 2  0      0 3181868 108756 394996    0    0     0     0  758  347 18 47 36  0
 1  0      0 3181264 108756 394996    0    0     0     0  556  242 39 24 36  0
 1  0      0 3180868 108756 394996    0    0     0     0  641  253 36 30 35  0
 2  0      0 3180636 108756 394996    0    0     0     0  695  283 22 49 30  0
 2  0      0 3180272 108756 394996    0    0     0     0  503  202 51 10 39  0
 3  0      0 3179892 108756 394996    0    0     0     0  479  165 51  8 41  0
 2  0      0 3176652 108756 394996    0    0     0     4  507  204 44 20 36  0
 2  0      0 3177024 108756 394996    0    0     0     0  495  177 46 16 38  0
 2  0      0 3179776 108756 394996    0    0     0     0  798  713 48 13 39  0
 2  0      0 3179776 108756 394996    0    0     0     0  479  156 51  9 39  0
 3  0      0 3179280 108756 394996    0    0     0     0  496  198 53  8 39  0
 1  0      0 3179280 108756 394996    0    0     0     0  367  192 27  8 65  0
 1  0      0 3179280 108764 394992    0    0     0    12  284  199  7  4 87  2

It shows that konsole spend about 20 seconds to open a new tab. within this period, User% and Sys% are high. 

On the opposite, on 2.6.37-2, konsole need only no more than 1 second to open a new tab. 

--- System information. ---
Architecture: amd64
Kernel:       Linux 2.6.37-2-amd64

Debian Release: wheezy/sid
  500 unstable        localhost 
  500 stable          dl.google.com 
  500 stable          deb.opera.com 
    1 experimental    localhost 

--- Package information. ---
Depends                   (Version) | Installed
===================================-+-===========
module-init-tools                   | 3.12-1
linux-base                  (>= 3~) | 3
initramfs-tools          (>= 0.55)  | 0.98.8
 OR linux-initramfs-tool            | 


Package Status              (Version) | Installed
=====================================-+-===========
firmware-bnx2                         | 
firmware-bnx2x                        | 
firmware-ipw2x00                      | 
firmware-ivtv                         | 
firmware-iwlwifi                      | 
firmware-linux                        | 
firmware-linux-nonfree                | 0.29
firmware-qlogic                       | 
firmware-ralink                       | 
xen-hypervisor                        | 


Recommends               (Version) | Installed
==================================-+-===========
firmware-linux-free        (>= 3~) | 3


Suggests                  (Version) | Installed
===================================-+-===============
linux-doc-2.6.38                    | 
grub-pc                             | 1.99~rc1-4
 OR extlinux                        | 
 OR lilo             (>= 22.8-8.2~) | 

Thanks and Regards, 
-- 
Liang Guo
http://bluestone.cublog.cn

Attachment: signature.asc
Description: Digital signature


--- End Message ---
--- Begin Message ---
Version: 2.6.38-2

After upgrade to linux-image-2.6.38-2-amd64, system looks return to normal now. 

Thanks and close this bug.

-- 
Liang Guo
http://bluestone.cublog.cn


--- End Message ---

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