No idea.. to be able to tell anything from that oops/panic you must decode it with ksymoops.
Regards Henrik On Fri, 24 Oct 2003, Simon Vella wrote: > Henrik, > > We decided to go for WCCPv1. I tried to use your module ip_wccp.c which > compiled fine. However, after a few minutes working fine, the server starts > producing this output below. Can you please specify which (in your opinion) > is a working version of Redhat, and which kernel version? > > 10x > > Simon > > Oct 24 19:37:41 frodo kernel: recvmsg bug: copied FB63EC97 seq FB63F097 > Oct 24 19:37:41 frodo kernel: recvmsg bug: copied 8045ED68 seq 8045F168 > Oct 24 19:37:41 frodo kernel: recvmsg bug: copied FB63EC97 seq FB63F097 > Oct 24 19:38:07 frodo last message repeated 3975 times > Oct 24 19:40:09 frodo shutdown: shutting down for system reboot > Oct 24 19:40:26 frodo kernel: Unable to handle kernel NULL pointer > dereference at virtual address 00000000 > Oct 24 19:40:26 frodo kernel: printing eip: > Oct 24 19:40:26 frodo kernel: c0115473 > Oct 24 19:40:26 frodo kernel: *pde = 00000000 > Oct 24 19:40:26 frodo kernel: Oops: 0000 > Oct 24 19:40:26 frodo kernel: CPU: 0 > Oct 24 19:40:26 frodo kernel: EIP: 0010:[<c0115473>] Not tainted > Oct 24 19:40:26 frodo kernel: EFLAGS: 00010016 > Oct 24 19:40:26 frodo kernel: eax: 00000000 ebx: f537b800 ecx: 00000001 > edx: 00000000 > Oct 24 19:40:26 frodo kernel: esi: ecd64364 edi: 00000003 ebp: f591ff7c > esp: f591ff60 > Oct 24 19:40:26 frodo kernel: ds: 0018 es: 0018 ss: 0018 > Oct 24 19:40:26 frodo kernel: Process shutdown (pid: 747, > stackpage=f591f000) > Oct 24 19:40:26 frodo kernel: Stack: 00000000 c015007e 00000001 00000282 > f537b800 f537b864 f537b85c f537b800 > Oct 24 19:40:27 frodo kernel: c014ed63 ecd642c0 00000000 f537b800 > 00000000 00000001 bffffbc8 c014ef06 > Oct 24 19:40:27 frodo kernel: f537b800 00000000 c013afa4 00000000 > 00000000 f591e000 c013afff 00000000 > Oct 24 19:40:27 frodo kernel: Call Trace: [<c015007e>] [<c014ed63>] > [<c014ef06>] [<c013afa4>] [<c013afff>] > Oct 24 19:40:27 frodo kernel: [<c01090ff>] > Oct 24 19:40:27 frodo kernel: > Oct 24 19:40:27 frodo kernel: Code: 8b 02 85 c7 75 17 8b 1b 39 f3 75 f1 ff > 75 f0 9d 83 c4 10 5b > Oct 24 19:40:58 frodo shutdown: shutting down for system reboot > Oct 24 19:40:58 frodo kernel: <1>Unable to handle kernel NULL pointer > dereference at virtual address 00000000 > Oct 24 19:40:58 frodo kernel: printing eip: > Oct 24 19:40:58 frodo kernel: c0115473 > Oct 24 19:40:58 frodo kernel: *pde = 00000000 > Oct 24 19:40:58 frodo kernel: Oops: 0000 > Oct 24 19:40:58 frodo kernel: CPU: 0 > Oct 24 19:40:58 frodo kernel: EIP: 0010:[<c0115473>] Not tainted > Oct 24 19:40:58 frodo kernel: EFLAGS: 00010012 > Oct 24 19:40:58 frodo kernel: eax: 00000000 ebx: f537b800 ecx: 00000001 > edx: 00000000 > Oct 24 19:40:58 frodo kernel: esi: e76c62e4 edi: 00000003 ebp: f591ff7c > esp: f591ff60 > Oct 24 19:40:58 frodo kernel: ds: 0018 es: 0018 ss: 0018 > Oct 24 19:40:58 frodo kernel: Process shutdown (pid: 751, > stackpage=f591f000) > Oct 24 19:40:58 frodo kernel: Stack: 00000000 c015007e 00000001 00000286 > f537b800 f537b864 f537b85c f537b800 > Oct 24 19:40:58 frodo kernel: c014ed63 e76c6240 00000000 f537b800 > 00000000 00000001 bffffbc8 c014ef06 > Oct 24 19:40:58 frodo kernel: f537b800 00000000 c013afa4 00000000 > 00000000 f591e000 c013afff 00000000 > Oct 24 19:40:58 frodo kernel: Call Trace: [<c015007e>] [<c014ed63>] > [<c014ef06>] [<c013afa4>] [<c013afff>] > Oct 24 19:40:58 frodo kernel: [<c01090ff>] > Oct 24 19:40:58 frodo kernel: > Oct 24 19:40:58 frodo kernel: Code: 8b 02 85 c7 75 17 8b 1b 39 f3 75 f1 ff > 75 f0 9d 83 c4 10 5b > Oct 24 19:40:59 frodo shutdown: shutting down for system reboot > > -----Original Message----- > From: Henrik Nordstrom [mailto:[EMAIL PROTECTED] > Sent: Tuesday, October 21, 2003 12:12 PM > To: Simon Vella > Cc: [EMAIL PROTECTED] > Subject: Re: [squid-users] Re. Squid 2.5 with WCCP2 (on Redhat 9) > > > On Tue, 21 Oct 2003, Simon Vella wrote: > > > a) The WCCPv2 patch (found at > > http://www.swelltech.com/pengies/joe/patches/squid-2.2.wccp2.patch) should > > work with Squid 2.5, right? Is there another patch for Squid 2.5 to > support > > WCCPv2? > > The patch found at http://devel.squid-cache.org/ probably has a higher > likelyhood of working. > > > b) The WCCPv2 patch for Squid makes squid talk WCCPv2 with the routers. So > > why do we need the ip_wccp.o module for the kernel? > > As WCCPv1, WCCPv2 consists of two protocols > > a) WCCPv2 UDP protocol used for announcements between the cache and the > router > > b) WCCPv2 GRE protocol used for client traffic forwarded by the router to > the cache. This GRE protocol is different from the normal GRE IP tunneling > protocol and therefore requires a different GRE driver in the kernel. The > ip_wccp module is one such driver. Please note that there exists two > different ip_wccp modules, one for WCCPv1 and one for WCCPv2. It is > important you use the correct one for the WCCP version you are using. > > > d) The Linux box must be set up to use ip_tables to redirect the HTTP > > requests received through the GRE tunnel, to the squid port (8080 in our > > case). The destination IP is not changed, so does the Squid still accept > the > > HTTP packet because it is set in HTTP_accelerator mode? > > Yes. > > Regards > Henrik > >
