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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » System
pup-volume-monitor-0.1.15 and desktop-drive-icons-0.0.6
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akash_rawal

Joined: 25 Aug 2010
Posts: 232
Location: ISM Dhanbad, Jharkhand, India
PostPosted: Tue 03 Jul 2012, 10:29    Post subject:  
Jejy69 wrote:

I do not know if you've had this bug, but I unfortunately can not delete some folders. It returns me an error message:
"Invalid cross-device link".
My Thunar is 1.4.


On updating thunar to 1.4 I get "Invalid argument" instead and that too only sometimes.
It can't be pup-volume-monitor bug as it does not implement any vfs.
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Jejy69


Joined: 20 Jan 2011
Posts: 705
Location: Perpignan
PostPosted: Tue 03 Jul 2012, 10:34    Post subject:  
Thank you very much for your answer! I will then move to the previous version. Smile
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL
PostPosted: Tue 03 Jul 2012, 11:05    Post subject:  
This fixed my laptop with the internal optical drive.

But on my netbook with the USB drive, I can't get the volume monitor to acknowledge the existence of sr0 at all. It doesn't show up if I run "pup-volume-monitor-admin -l". I verified that the drive works fine if I mount it by hand.

Ideas?
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akash_rawal

Joined: 25 Aug 2010
Posts: 232
Location: ISM Dhanbad, Jharkhand, India
PostPosted: Tue 03 Jul 2012, 11:27    Post subject:  
jemimah wrote:

But on my netbook with the USB drive, I can't get the volume monitor to acknowledge the existence of sr0 at all. It doesn't show up if I run "pup-volume-monitor-admin -l". I verified that the drive works fine if I mount it by hand.

What is the output of udevadm monitor when you plug in the drive?
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL
PostPosted: Tue 03 Jul 2012, 11:51    Post subject:  
Code:
# udevadm monitor
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent

KERNEL[1341316280.050720] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3 (usb)
KERNEL[1341316280.053092] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0 (usb)
KERNEL[1341316280.053629] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3 (scsi)
KERNEL[1341316280.054045] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/scsi_host/host3 (scsi_host)
KERNEL[1341316280.056948] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/usb_device/usbdev1.5 (usb_device)
UDEV  [1341316280.074994] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3 (usb)
UDEV  [1341316280.091578] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/usb_device/usbdev1.5 (usb_device)
UDEV  [1341316280.204800] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0 (usb)
UDEV  [1341316280.215018] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3 (scsi)
UDEV  [1341316280.225889] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/scsi_host/host3 (scsi_host)
KERNEL[1341316281.063576] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0 (scsi)
KERNEL[1341316281.064294] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0 (scsi)
UDEV  [1341316281.082122] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0 (scsi)
KERNEL[1341316281.172254] add      /devices/virtual/bdi/11:0 (bdi)
KERNEL[1341316281.177409] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0/block/sr0 (block)
KERNEL[1341316281.177638] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0/scsi_device/3:0:0:0 (scsi_device)
KERNEL[1341316281.177851] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0/bsg/3:0:0:0 (bsg)
UDEV  [1341316281.186419] add      /devices/virtual/bdi/11:0 (bdi)
KERNEL[1341316281.191525] change   /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0/block/sr0 (block)
UDEV  [1341316281.229634] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0 (scsi)
UDEV  [1341316281.247390] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0/scsi_device/3:0:0:0 (scsi_device)
UDEV  [1341316281.269651] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0/bsg/3:0:0:0 (bsg)
UDEV  [1341316281.324799] add      /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0/block/sr0 (block)
UDEV  [1341316281.335682] change   /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0/block/sr0 (block)
KERNEL[1341316290.987391] change   /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0/block/sr0 (block)
UDEV  [1341316291.000075] change   /devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host3/target3:0:0/3:0:0:0/block/sr0 (block)

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akash_rawal

Joined: 25 Aug 2010
Posts: 232
Location: ISM Dhanbad, Jharkhand, India
PostPosted: Tue 03 Jul 2012, 13:18    Post subject:  
The output is similar to one I get when I plug in my usb modem which also behaves like an optical drive. Yet when I plug it in, it is detected by the volume monitor and shown.

All I can guess is that /etc/udev/rules.d/50-pup-volume-monitor.rules could have gone missing. Don't know how it happens it has happened to me several times while working with autotools.
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL
PostPosted: Tue 03 Jul 2012, 14:40    Post subject:  
Udev events from other drives make it through - I can see them with pup-volume-monitor-admin -e.

I've attached the udevd debug log.
udevdebug.gz
Description 
gz

 Download 
Filename  udevdebug.gz 
Filesize  4.84 KB 
Downloaded  394 Time(s) 

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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL
PostPosted: Tue 03 Jul 2012, 19:08    Post subject:  
It's definitely a packaging problem of some sort. I booted a fresh install on my development machine and it doesn't work with the internal drive there either.

I'll try to figure out what's missing.
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akash_rawal

Joined: 25 Aug 2010
Posts: 232
Location: ISM Dhanbad, Jharkhand, India
PostPosted: Wed 04 Jul 2012, 10:39    Post subject:  
Udev events are as expected. But what maybe going wrong is totally unexpected.

I am attaching modified plugins/cdrom.c with debugging code added wherever necessary. Hope it will help with debugging.
cdrom.c.gz
Description  .gz extension is fake, rename it to cdrom.c, replace plugins/cdrom.c with it and recompile.
 gz

 Download 
Filename  cdrom.c.gz 
Filesize  13.68 KB 
Downloaded  379 Time(s) 
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL
PostPosted: Thu 05 Jul 2012, 14:24    Post subject:  
I'm not seeing the additional debugging output even on the working system. Strange - can't figure out why that would be.
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL
PostPosted: Thu 05 Jul 2012, 14:52    Post subject:  
I changed the g_degugs to printfs and now I can see output on the working system.

On the nonworking system I get this:

# pup-volume-monitor
Code:
pup-volume-monitor-Message: Config file for plugin libcdrom not found, it will use default settings

(pup-volume-monitor:15730): GModule-CRITICAL **: g_module_symbol: assertion `module != NULL' failed


What's happening here?
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL
PostPosted: Fri 06 Jul 2012, 10:56    Post subject:  
Ok I think I figured it out. The existence of /usr/lib/pup-volume-monitor/libcdrom.a and/or /usr/lib/pup-volume-monitor/libcdrom.la seems to be crashing it.
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akash_rawal

Joined: 25 Aug 2010
Posts: 232
Location: ISM Dhanbad, Jharkhand, India
PostPosted: Fri 06 Jul 2012, 11:06    Post subject:  
Surely cdrom plugin failed to load with some error.

I agree there's a bug ahead leading to a call to g_module_symbol() even after plugin failed to load, but it should have shown the plugin path... Confused
Code:

// libpupvm/pupvm-settings.c:117

gboolean pup_vm_plugin_load(GTypeModule *module)
{
   PupVMPlugin *self = PUP_VM_PLUGIN(module);
   g_return_val_if_fail(self->plugin_name && self->plugin_path, FALSE);

   self->module = g_module_open(self->plugin_path, 0);
   if (!self->module)
   {
      g_debug("Module path: %s", self->plugin_path);
   }

   if (module && (! self->initialised))
   { ...



Edit: I didn't notice g_module_error() earlier. I improved pup_vm_plugin_load() error output and fixed that bug. This will not cause plugin to load correctly but we'd come to know why plugin failed to load.

libpupvm/pupvm-settings.c:117
Code:

gboolean pup_vm_plugin_load(GTypeModule *module)
{
   PupVMPlugin *self = PUP_VM_PLUGIN(module);
   g_return_val_if_fail(self->plugin_name && self->plugin_path, FALSE);

   self->module = g_module_open(self->plugin_path, 0);
   if (!self->module)
   {
      //g_debug("Module path: %s", self->plugin_path);
      g_critical("Plugin %s (path: %s) failed to open: %s",
                 self->plugin_name, self->plugin_path, g_module_error());
   }

   if (self->module && (! self->initialised))
   {
      //Load plugin's config
      self->cfg_file = g_key_file_new();
      pup_load_cfg_file(self->cfg_file, self->plugin_name);
      
      //Run the plugin's init func
      PupVMPluginInit plugin_init_func;

      if (g_module_symbol(self->module, "pup_vm_plugin_init",
                          (gpointer *) &plugin_init_func))
      {
         plugin_init_func(self);
      }
      
      self->initialised = TRUE;
   }
   
   if (module) return TRUE;
   else return FALSE;
}
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akash_rawal

Joined: 25 Aug 2010
Posts: 232
Location: ISM Dhanbad, Jharkhand, India
PostPosted: Fri 06 Jul 2012, 14:25    Post subject:  
jemimah wrote:
Ok I think I figured it out. The existence of /usr/lib/pup-volume-monitor/libcdrom.a and/or /usr/lib/pup-volume-monitor/libcdrom.la seems to be crashing it.

Updated to version 0.1.4

Changelog:
  • Now static libraries are filtered out while loading plugins
  • A few minor bug-fixes
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peebee


Joined: 21 Sep 2008
Posts: 1363
Location: Malvern, Worcs, UK
PostPosted: Wed 25 Jul 2012, 04:05    Post subject:  
Hi akash_rawal
The following small test extracted from Frisbee funcs:
Code:
#!/bin/bash
MSG="Please enter the Password."
Xdialog  --title "Frisbee" --password --inputbox "$MSG" 0 0 > /opt/Pwireless-entry 2>&1

when run in check-mate V3 - Puppy latest LXDE desktop !
produces output in /opt/Pwireless-entry
Quote:
(Xdialog:9249): pup-volume-monitor-WARNING **: Module loaded successfully
0123456789

that contains unwanted warning from pup-volume-monitor in front of the typed password.
Any ideas why this is happening - and how to stop the warning text being produced please? It is stopping Frisbee working correctly on check-mate.
Thanks
PeeBee
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