BadShmSeg with 3.6.8 on Karmic

[Olivier Mehani]

Binary package hint: firefox

When accessing some websites, Firefox dies, and tries to restart itself with the “Oops, this is embarassing window.”

Flashblock and Ad-block plus are installed using the Ubuntu packages, but it seems to happen on some pages which have Flash elements. This is reproductible.

1) Release:
Description: Ubuntu 9.10
Release: 9.10

2) Packages:
firefox:
  Installed: 3.6.8+build1+nobinonly-0ubuntu0.9.10.1
  Candidate: 3.6.8+build1+nobinonly-0ubuntu0.9.10.1
  Version table:
 *** 3.6.8+build1+nobinonly-0ubuntu0.9.10.1 0
        500 http://ftp.free.org karmic-updates/main Packages
        500 http://ftp.free.org karmic-security/main Packages
        100 /var/lib/dpkg/status
     3.5.3+build1+nobinonly-0ubuntu6 0
        500 http://ftp.free.org karmic/main Packages
adblock-plus:
  Installed: 1.1.3-0ubuntu0.9.10.1
  Candidate: 1.1.3-0ubuntu0.9.10.1
  Version table:
 *** 1.1.3-0ubuntu0.9.10.1 0
        500 http://ftp.free.org karmic-updates/universe Packages
        500 http://ftp.free.org karmic-security/universe Packages
        100 /var/lib/dpkg/status
     1.1.1-0ubuntu3 0
        500 http://ftp.free.org karmic/universe Packages
flashblock:
  Installed: 1.5.12-0ubuntu0.9.10.2
  Candidate: 1.5.12-0ubuntu0.9.10.2
  Version table:
 *** 1.5.12-0ubuntu0.9.10.2 0
        500 http://ftp.free.org karmic-updates/universe Packages
        500 http://ftp.free.org karmic-security/universe Packages
        100 /var/lib/dpkg/status
     1.3.14~a2+snapshot20090627-0ubuntu1 0
        500 http://ftp.free.org karmic/universe Packages

3) Expectation:
Page at (e.g.) [0] loads properly.
[0] http://www.boursorama.com/cours.phtml?symbole=1rPABCA

4) Result:
Firefox crashes, then tries to restore from there.
When started from a term, the following is shown:
###!!! ABORT: X_ShmDetach: BadShmSeg (invalid shared segment parameter); 2 requests ago: file nsX11ErrorHandler.cpp, line 182
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x001EA3CA]
UNKNOWN [/usr/lib/libbonoboui-2.so.0 +0x00020C25]
_XError+0x00000109 [/usr/lib/libX11.so.6 +0x0003A839]
UNKNOWN [/usr/lib/libX11.so.6 +0x00040E9F]
_XReply+0x00000106 [/usr/lib/libX11.so.6 +0x00041526]
XSync+0x00000067 [/usr/lib/libX11.so.6 +0x000351A7]
NPP_Destroy+0x0000007E [/usr/lib/mozilla/plugins/libflash-mozplugin.so +0x0000278E]
Private_Destroy+0x00000024 [/usr/lib/mozilla/plugins/libflash-mozplugin.so +0x000033C4]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00906276]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x003DEB49]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x003DEC79]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x003DED09]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x003DF8E0]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004F84CC]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004F866F]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004F963F]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004F9ECE]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0056F9B3]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0054923B]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0023753C]
UNKNOWN [/usr/lib/firefox-3.6.8/libmozjs.so +0x000636FF]
js_Invoke+0x0000082E [/usr/lib/firefox-3.6.8/libmozjs.so +0x0006D87E]
UNKNOWN [/usr/lib/firefox-3.6.8/libmozjs.so +0x0006E041]
JS_CallFunctionValue+0x00000050 [/usr/lib/firefox-3.6.8/libmozjs.so +0x00011CC0]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x005ED17C]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x005E3EC0]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x005F65C8]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x005F6647]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004D4D84]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00596FF1]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00439BB1]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x005905C2]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0059036C]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004CFC5E]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004F8BEF]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004FB6F3]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004F95E6]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004F9ECE]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0056F0C0]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00570AEE]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0057041B]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004B96A1]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00439BC7]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004ED5F9]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x004ED63C]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0058FC8C]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00590193]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x005901C6]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x005915E4]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0031E8F4]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0032014B]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x003203E3]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0031FC80]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00320D0B]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x003269AE]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0032AA01]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0032A583]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00847297]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00287F26]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0028827B]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00276CEF]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x002C35D7]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00260E8F]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00260FA0]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00B294D3]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00B3E10C]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00B0CD77]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00A836C1]
_ZN11MessageLoop11RunInternalEv+0x00000028 [/usr/lib/firefox-3.6.8/libxul.so +0x00ADAEB2]
_ZN11MessageLoop10RunHandlerEv+0x0000001A [/usr/lib/firefox-3.6.8/libxul.so +0x00ADAED6]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x00ADAF4D]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x009DCF68]
UNKNOWN [/usr/lib/firefox-3.6.8/libxul.so +0x0089F230]
XRE_main+0x00002C8E [/usr/lib/firefox-3.6.8/libxul.so +0x001E54AA]
UNKNOWN [/usr/lib/firefox-3.6.8/firefox-bin +0x000019C3]
__libc_start_main+0x000000E6 [/lib/tls/i686/cmov/libc.so.6 +0x00016B56]
Aborted

[Micah Gersten (micahg)]

Thank you for reporting this to Ubuntu. It seems like you have libflash-mozplugin left over from Hardy, could you try uninstalling that please.

[Micah Gersten (micahg)]

Moving to firefox-3.5 source since this is for Karmic.

[Olivier Mehani (shtrom)]

Well, removing libflash-mozplugin seems to have fixed it. This is strange as the distribution upgrade is not recent, and the problem only appear a couple of days ago. I'm closing the bug for now (and hopefully ever).

I'm suprised, though, that the flash plugin would cause this as I thought both abp and flashblock would have prevented the content from even be downloaded, let alone passed on to the plugin. Any more detailed explanation is welcome (:

Also, why hasn't libflash-mozplugin removed by the upgrade? Maybe the trigger was a Firefox upgrade, but this may mean that libflash-mozplugin should be in the Conflicts of the new versions of the Firefox package.

Anyway, thanks for that solution!

[Olivier Mehani (shtrom)]

Hum... I'm not sure how to close the bug...

[Micah Gersten (micahg)]

This bug report is being closed due to your last comment regarding this being fixed by removing libflash-mozplugin. For future reference you can manage the status of your own bugs by clicking on the current status in the yellow line and then choosing a new status in the revealed drop down box. You can learn more about bug statuses at https://wiki.ubuntu.com/Bugs/Status . Thank you again for taking the time to report this bug and helping to make Ubuntu better. Please submit any future bugs you may find.