From mboxrd@z Thu Jan 1 00:00:00 1970 From: yegor_sub1@visionsystems.de (Yegor Yefremov) Date: Wed, 14 Oct 2009 10:46:51 +0200 Subject: [at91sam9g45] Network crash Message-ID: <4AD58FFB.50204@visionsystems.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hello, during system performance tests I encountered such an error if creating network traffic either with web browser or other tools. Here output from nuttcp. # nuttcp -t -T5m 192.168.1.90 nuttcp-t: Info: attempting to switch to deprecated "classic" mode nuttcp-t: Info: will use less reliable transmitter side statistics Unable to handle kernel NULL pointer dereference at virtual address 0000001a pgd = c0004000 [0000001a] *pgd=00000000 Internal error: Oops: 80000000 [#1] Modules linked in: CPU: 0 Not tainted (2.6.32-rc2 #25) PC is at 0x1a LR is at tcp_transmit_skb+0x1d8/0x6c4 pc : [<0000001a>] lr : [] psr: 20000033 sp : c0325d30 ip : c3b06480 fp : c3b064e8 r10: 00000020 r9 : 00025d80 r8 : c3bf3c68 r7 : 00000020 r6 : c3bf3c48 r5 : c3b06480 r4 : c0325d38 r3 : 0000001b r2 : 00000000 r1 : 00000000 r0 : 0000000c Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment kernel Control: 0005317f Table: 73894000 DAC: 00000017 Process swapper (pid: 0, stack limit = 0xc0324270) Stack: (0xc0325d30 to 0xc0326000) 5d20: 00000119 00000040 00000002 00000000 5d40: ffffb2b3 0007e2b0 0000001b 00000000 00000406 c3b06480 c3b06480 000005a8 5d60: c3bf3ba0 c3bf3bc0 00025d80 5c1ab86a c3b064e8 c0234254 00000000 00000000 5d80: 00000000 00000000 000005a8 00000000 00000003 0000001d 00000002 ffffb2b3 5da0: c3b064e8 00000402 00000000 c3b06480 00000020 c3845900 c3b06480 00000020 5dc0: c3845920 00000002 c39702f0 c02343fc 00000020 c3b06480 c3b06480 c022f3f4 5de0: c021b7e4 c02198a0 80000013 c3bfc844 00000001 c3b06480 c3845900 c3bfc844 5e00: c3b06480 0000924d c3bfc830 00000002 c39702f0 c0236984 c3845900 c0359f60 5e20: 00000000 00000000 c3845900 c3bfc844 00000000 c3b06480 c3845900 c3bfc844 5e40: 7c01a8c0 c0236f1c 7c01a8c0 0000924d 00000002 00000006 00000006 c3845900 5e60: c0359f60 00000000 00000008 00000080 c0359b70 c021bb78 c3bfc830 c3845900 5e80: c3970000 c021baa0 c3970000 c0029a54 c3bfc822 00000042 c3845900 c0359b50 5ea0: c3970000 00000000 00000008 c02033dc 00000109 c0359b60 c3845900 00000109 5ec0: c3845900 00000042 c39702c0 00000109 ffffffc2 c01bd3d0 c0325f78 00000040 5ee0: 00000001 0000003f 0000004c c39702f0 00000040 0000000c 0000012c c033d224 5f00: c0359b60 ffffb2b5 c033d234 c0203af0 41069265 00000100 c0324000 0000000c 5f20: 00000001 00000003 c03462f8 0000000a 00000000 c0046230 00000001 c032ce18 5f40: 00000019 00000019 00000000 00000019 c0327b20 70023a70 41069265 70023a3c 5f60: 00000000 c002907c c0325fc4 ffffffff fefff000 c0029a54 00000000 0005317f 5f80: 0005217f 60000013 c0324000 c0327b2c c0341590 c0327b20 70023a70 41069265 5fa0: 70023a3c 00000000 600000d3 c0325fc0 c002ae54 c002ae60 60000013 ffffffff 5fc0: c002b368 c002b334 c034ad3c c0341550 c0025e10 c0008ae4 c00085fc 00000000 5fe0: 00000000 c0025e10 00053175 c03415b8 c0026214 70008034 00000000 00000000 Code: bad PC value. Kernel panic - not syncing: Fatal exception in interrupt [] (unwind_backtrace+0x0/0xdc) from [] (panic+0x34/0x120) [] (panic+0x34/0x120) from [] (die+0x130/0x15c) [] (die+0x130/0x15c) from [] (__do_kernel_fault+0x68/0x80) [] (__do_kernel_fault+0x68/0x80) from [] (do_page_fault+0x1b8/0x1d0) [] (do_page_fault+0x1b8/0x1d0) from [] (__pabt_svc+0x4c/0x80) [] (__pabt_svc+0x4c/0x80) from [<0000001a>] (0x1a) Kernel version: # uname -r 2.6.32-rc2 Any idea? Best regards, Yegor -------------- next part -------------- A non-text attachment was scrubbed... Name: .config Type: application/xml Size: 38575 bytes Desc: not available URL: