Hi all,<br><br>Target : PowerPC440<br>Kernel : Linux-2.6.29.6<br><br>The issue still remains in kernel linux-2.6.29.6 enabling following options in kernel, the kernel panics and won't boot anymore<br><br>The following kernel options enabled :<br>
<br><br># Networking support<br>CONFIG_NET=y<br>CONFIG_INET=y<br>CONFIG_NET_KEY=y<br>CONFIG_XFRM_USER=y<br>CONFIG_INET_AH=y<br>CONFIG_INET_ESP=y<br>CONFIG_INET_IPCOMP=y<br>CONFIG_INET_TUNNEL=y<br># IPV6<br>CONFIG_IPV6=y<br>
CONFIG_IPV6_TUNNEL=y<br>CONFIG_INET6_AH=y<br>CONFIG_INET6_ESP=y<br>CONFIG_INET6_IPCOMP=y<br>CONFIG_INET6_TUNNEL=y<br># Cryptographic API<br>CONFIG_CRYPTO=y<br>CONFIG_CRYPTO_HMAC=y<br>CONFIG_CRYPTO_NULL=y<br>CONFIG_CRYPTO_MD5=y<br>
CONFIG_CRYPTO_SHA1=y<br>CONFIG_CRYPTO_DES=y<br>CONFIG_CRYPTO_AES=y<br>CONFIG_CRYPTO_DEFLATE=y<br><br>and while bootup I am seeing the panic/crash message as :<br><br><pre>Looking up port of RPC 100005/1 on 10.50.21.151<br>
VFS: Mounted root (nfs filesystem) on device 0:13.<br>Freeing unused kernel memory: 184k init<br>INIT: version 2.86 booting<br>Starting udevudevd version 124 started<br><br>Remounting root file system...<br>------------[ cut here ]------------<br>
kernel BUG at include/linux/cred.h:206!<br>Oops: Exception in kernel mode, sig: 5 [#1]<br>PREEMPT LTT NESTING LEVEL : 0<br>Xilinx PPC440<br>Modules linked in:<br>NIP: c00a8414 LR: c0067804 CTR: c00a83ec<br>REGS: ce977da0 TRAP: 0700 Not tainted (2.6.29.6-ipsec)<br>
MSR: 00029000 <EE,ME,CE> CR: 24028448 XER: 00000005<br>TASK = cf9a9430[472] 'mount.sh' THREAD: ce976000<br>GPR00: ffffffff ce977e50 cf9a9430 cf9e00c0 cf3c7ee0 fffeb038 00000003 c04f2224<br>GPR08: 000000bf 00000001 cf8070e0 c05255e8 44022444 100db7bc 4802e5a4 bf9f09c8<br>
GPR16: c0456670 00000000 c0511188 c05111a8 c0525624 00000001 c0522ca0 ce976034<br>GPR24: c0511328 ce976034 ce976000 c05255e8 00000003 cf3c7160 c00a83ec cf99aaa0<br>NIP [c00a8414] file_free_rcu+0x28/0x6c<br>LR [c0067804] __rcu_process_callbacks+0x1e4/0x400<br>
Call Trace:<br>[ce977e50] [c00a8444] file_free_rcu+0x58/0x6c (unreliable)<br>[ce977e60] [c0067804] __rcu_process_callbacks+0x1e4/0x400<br>[ce977e90] [c0067a4c] rcu_process_callbacks+0x2c/0x4c<br>[ce977eb0] [c0038cb0] __do_softirq+0xfc/0x1e0<br>
[ce977f00] [c0004124] do_softirq+0x5c/0x60<br>[ce977f10] [c0038b18] irq_exit+0x98/0xc4<br>[ce977f20] [c000b2b4] timer_interrupt+0x104/0x1cc<br>[ce977f40] [c000e7d8] ret_from_except+0x0/0x18<br>Instruction dump:<br>4832cfa9 4bffffd8 9421fff0 7c0802a6 93e1000c 7c7f1b78 90010014 8063003c<br>
81230000 3809ffff 7d290378 55290ffe <0f090000> 7c001828 3000ffff 7c00192d<br>Kernel panic - not syncing: Fatal exception in interrupt<br>Rebooting in 180 seconds..<br><br>Any suggestions or the filed bug report anywhere ??<br>
<br><br>-Srikant<br></pre><br><br><div class="gmail_quote">On Tue, Aug 11, 2009 at 12:05 PM, srikanth krishnakar <span dir="ltr"><<a href="mailto:skrishnakar@gmail.com">skrishnakar@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi All,<br><br>Target : PowerPC (ppc440)<br><br>While testing kernel linux-2.6.29.6 with IPSEC enabled I observed frequent panic messages as shown below while bootup:<br><br><pre>VFS: Mounted root (nfs filesystem) on device 0:13.<br>
Freeing unused kernel memory: 184k init<br>INIT: version 2.86 booting<br>Starting udevudevd version 124 started<br><br>Remounting root file system...<br>logger: mount: mount point /proc/bus/usb does not exist<br>FAT: invalid media value (0x01)<br>
VFS: Can't find a valid FAT filesystem on dev xsa.<br>------------[ cut here ]------------<br>kernel BUG at include/linux/cred.h:206!<br>Oops: Exception in kernel mode, sig: 5 [#1]<br>PREEMPT LTT NESTING LEVEL : 0<br>
Xilinx Virtex440<br>Modules linked in: nls_iso8859_1<br>NIP: c0031800 LR: c0031864 CTR: c0033e2c<br>REGS: c0515d00 TRAP: 0700 Not tainted (2.6.29.6.xilinx-ml507.0908071454-ipsec)<br>MSR: 00029000 <EE,ME,CE> CR: 24028028 XER: 00000005<br>
TASK = c04e74c0[0] 'swapper' THREAD: c0514000<br>GPR00: ffffffff c0515db0 c04e74c0 cf9e0120 c00539b4 00000002 ffffffff c04f2224<br>GPR08: 000002fd 00000001 000002fc c05255e8 44022024 ffffd6c4 dce9ee1f bfefe53f<br>
GPR16: c0456690 00000000 c0511188 c05111a8 c0525624 00000001 c0522ca0 c0514034<br>GPR24: c0511328 c0514034 c0514000 c05255e8 0000000a cf3e7920 ce89e050 ce89e050<br>NIP [c0031800] __put_task_struct+0x8c/0xf4<br>LR [c0031864] __put_task_struct+0xf0/0xf4<br>
Call Trace:<br>[c0515db0] [c0031864] __put_task_struct+0xf0/0xf4 (unreliable)<br>[c0515dc0] [c0033ecc] delayed_put_task_struct+0xa0/0xbc<br>[c0515de0] [c0067804] __rcu_process_callbacks+0x1e4/0x400<br>[c0515e10] [c0067a4c] rcu_process_callbacks+0x2c/0x4c<br>
[c0515e30] [c0038cb0] __do_softirq+0xfc/0x1e0<br>[c0515e80] [c0004124] do_softirq+0x5c/0x60<br>[c0515e90] [c0038b18] irq_exit+0x98/0xc4<br>[c0515ea0] [c000b2b4] timer_interrupt+0x104/0x1cc<br>[c0515ec0] [c000e7d8] ret_from_except+0x0/0x18<br>
[c0515f80] [c0007294] cpu_idle+0x58/0xf4<br>[c0515fa0] [c03db4dc] __got2_end+0x80/0x94<br>[c0515fc0] [c04b6734] start_kernel+0x25c/0x2b0<br>[c0515ff0] [c0000218] skpinv+0x1a8/0x1e4<br>Instruction dump:<br>0f090000 7c001828 3000ffff 7c00192d 40a2fff4 2f800000 419e0078 807f01a4<br>
81230000 3809ffff 7d290378 55290ffe <0f090000> 7c001828 3000ffff 7c00192d<br>Kernel panic - not syncing: Fatal exception in interrupt<br>Rebooting in 180 seconds..<br></pre><br>Attachment: kernel config<br><br>your early comments are appreciated !<br clear="all">
<br><br><br>Regards<br><font color="#888888">Srikanth Krishnakar<br>**********************<br>
</font></blockquote></div><br><br clear="all"><br>-- <br>"The Good You Do, The Best You GET"<br><br>Regards<br>Srikanth Krishnakar<br>**********************<br>