Differences

This shows you the differences between two versions of the page.

--- r8187 [2008/07/29 13:50] – Change the path to one that is correct on more distros. netrolller3d
+++ r8187 [2009/04/01 20:51] – enhance SKB BUG fix darkaudax
@@ Line 1: / Line 1: @@
 ====== General ======
-The r8187 driver works properly for the Realtek RTL8187L chipset.  Support for the RTL8187B chipset is under development but is not fully working.
+The r8187 driver works properly for the Realtek RTL8187L chipset.  Support for the RTL8187B chipset is under development but is not fully working. See [[r8187b]] for the RTL8187B ieee80211 driver.
-This page only deals with the ieee80211 version of the r8187 driver. For the mac80211 rtl8187 version see the [[mac80211|mac80211 page]].  To understand the differences, see [[install_drivers#mac80211_versus_ieee80211_stacks|mac80211 versus ieee80211 stacks]] write-up.
+This page only deals with the ieee80211 version of the r8187 driver. For the mac80211 rtl8187 version see the [[rtl8187|rtl8187 page]].  To understand the differences, see [[install_drivers#mac80211_versus_ieee80211_stacks|mac80211 versus ieee80211 stacks]] write-up.
 **IMPORTANT**\\
@@ Line 196: / Line 196: @@
 Solution: This typically occurs after you have upgraded your kernel version. Delete the all the patch files and install a fresh version.  You should now be able to compile it successfully. Also ensure that you have matching kernel header files.
@@ Line 207: / Line 208: @@
   * Having legacy USB support enabled in your BIOS. Try disabling this option.
-**Note:** VMWare Workstation < 6.0 and VMWare Player < 2.0 use USB 1.1 and when injecting at high speed, injection uses all USB bandwith (so, nearly no packets are received) and you can notice a lot of packets lost in airodump-ng.
+**Note:** VMWare Workstation > 6.0 and VMWare Player > 2.0 use USB 1.1 and when injecting at high speed, injection uses all USB bandwith (so, nearly no packets are received) and you can notice a lot of packets lost in airodump-ng.
@@ Line 239: / Line 240: @@
 ===== Optimizing injection rates =====
 Some people have reported that including "-x 250" on the aireplay-ng command optimizes their injection rates.  You will have to experiment to see if this helps you or not.
@@ Line 249: / Line 251: @@
 The root cause of these messages is not known at this point in time.  They can be hidden by the following means:
-  * To remove them from the console: "dmesg -2"
+  * To remove them from the console: "dmesg -n2"
   * To remove them from system log files, edit /etc/syslog.conf or /etc/rsyslog.conf depending on your system.  Add "kern.!debug" to definition of each file receiving the debug messages.
+Another more radical approach is to comment out the kernel messages in the kernel source code.  This will also mean recompiling your kernel.
+Change net/core/skbuff.c in your kernel source:
+   void skb_truesize_bug(struct sk_buff *skb)
+   {
+         printk(KERN_ERR "SKB BUG: Invalid truesize (%u) "
+                "len=%u, sizeof(sk_buff)=%Zd\n",
+                skb->truesize, skb->len, sizeof(struct sk_buff));
+   }
+   EXPORT_SYMBOL(skb_truesize_bug);
+to:
+   void skb_truesize_bug(struct sk_buff *skb)
+   {
+   (void)skb;
+   //      printk(KERN_ERR "SKB BUG: Invalid truesize (%u) "
+   //             "len=%u, sizeof(sk_buff)=%Zd\n",
+   //             skb->truesize, skb->len, sizeof(struct sk_buff));
+   }
+   EXPORT_SYMBOL(skb_truesize_bug);
+This effectively eliminates the kernel from reporting the SKB BUG messages.
+===== "iwe_stream_add_event" compile error message =====
+If you get a series of compile messages similar to "error: passing argument 1 of 'iwe_stream_add_event' from incompatible pointer type" then do the following:
+Use
+  wget http://patches.aircrack-ng.org/rtl8187_2.6.27.patch
+instead of
+  wget http://patches.aircrack-ng.org/rtl8187_2.6.24v3.patch
+in the instructions at the top of the page.
+===== "asm/semaphore.h: No such file or directory" compile error message =====
+See this [[http://tinyshell.be/aircrackng/forum/index.php?topic=4305.msg24483#msg24483|forum entry]]:
+Please note a repair apparently needed in ' rtl8187_2.6.27.patch' for kernel 2.6.27 +/-
+Unmodified, you will get the following error :
+ -- output from ' make ' :
+  ...In file included from /usr/src/drivers/rtl8187_linux_26.1010.0622.2006/beta-8187/r8187_core.c:65:
+     /usr/src/drivers/rtl8187_linux_26.1010.0622.2006/beta-8187/r8187.h:47:27: error: asm/semaphore.h: No such file or directory
+Modification to file    r8187.h   :
+    lines 46,47 are :
+      #include <asm/io.h>
+      #include <asm/semaphore.h>
+    overwrite lines 46,47 to this....
+      #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
+        #include <asm/io.h>
+        #include <asm/semaphore.h>
+      #else
+        #include <linux/io.h>
+        #include <linux/semaphore.h>
+      #endif