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Unable to handle kernel paging request at 0000000000006bc8 RIP:

<Aug/15 06:00 am> [<ffffffff8027573b>] page_to_pfn+0x19/0x33 <Aug/15 06:00 am>PGD cf9c1067 PUD 6e53e067 PMD 0 <Aug/15 06:00 am>Oops: 0000 [1] SMP <Aug/15 06:00 am>CPU 3 <Aug/15 06:00 am>Modules linked in: w83627hf hwmon_vid autofs4 k8temp forcedeth i2c_nforce2 i2c_core aacraid 3w_9xxx 3w_xxxx atp870u aic7xxx arcmsr tg3 e1000 xfs dm_mirror <Aug/15 06:00 am>Pid: 7118, comm: nfsd Not tainted 2.6.24-gentoo-r2 #3 <Aug/15 06:00 am>RIP: 0010:[<ffffffff8027573b>] [<ffffffff8027573b>] page_to_pfn+0x19/0x33 <Aug/15 06:00 am>RSP: 0000:ffff810220ef5a38 EFLAGS: 00010217 <Aug/15 06:00 am>RAX: 6db6db6db6db6db7 RBX: ffff81022b888800 RCX: ffff81022a9f3020 <Aug/15 06:00 am>RDX: 0000000000000000 RSI: ffff810186691000 RDI: ffff81022f0da880 <Aug/15 06:00 am>RBP: ffff81022b0f7700 R08: 0000000000000080 R09: 0000000000014d02

<Aug/15 06:00 am>R10: 000000000000a681 R11: ffffffff80508d9e R12: ffff810186601980 <Aug/15 06:00 am>R13: 0000000000000acc R14: ffff81022b0f92c0 R15: 0000000000000acc <Aug/15 06:00 am>FS: 00002b13012816f0(0000) GS:ffff81022c21c700(0000) knlGS:0000000000000000 <Aug/15 06:00 am>CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b <Aug/15 06:00 am>CR2: 0000000000006bc8 CR3: 0000000054368000 CR4: 00000000000006e0 <Aug/15 06:00 am>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000

<Aug/15 06:00 am>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400

<Aug/15 06:00 am>Process nfsd (pid: 7118, threadinfo ffff810220ef4000, task ffff81022591c860) <Aug/15 06:00 am>Stack: ffffffff88121522 ffff810220ef5a40 ffff81022b0f7000 0000000000000080

<Aug/15 06:00 am> 0000000000000000 ffff81022a9f3020 ffff8101db51d928 0000000000000001

<Aug/15 06:00 am> 0000000000000002 ffff81022b0f92c0 ffff81022b0f92a0 0000000000542000 <Aug/15 06:00 am>Call Trace: <Aug/15 06:00 am> [<ffffffff88121522>] :forcedeth:nv_start_xmit_optimized+0x27d/0x46a <Aug/15 06:00 am> [<ffffffff80506caa>] dev_hard_start_xmit+0x1d2/0x246

<Aug/15 06:00 am> [<ffffffff80514c69>] qdisc_run+0x79/0x174

<Aug/15 06:00 am> [<ffffffff80508eda>] dev_queue_xmit+0x13c/0x25a <Aug/15 06:00 am> [<ffffffff805217b6>] ip_queue_xmit+0x2ee/0x341 <Aug/15 06:00 am> [<ffffffff802abcc1>] iget_locked+0x30/0x149 <Aug/15 06:00 am> [<ffffffff80530711>] tcp_transmit_skb+0x6a8/0x6e5 <Aug/15 06:00 am> [<ffffffff80532473>] tcp_push_pending_frames+0x79e/0x876 <Aug/15 06:00 am> [<ffffffff80501b99>] alloc_skb+0x84/0x132 <Aug/15 06:00 am> [<ffffffff80526ad2>] tcp_sendpage+0x605/0x651

<Aug/15 06:00 am> [<ffffffff804fb572>] kernel_sendpage+0x16/0x1f <Aug/15 06:00 am> [<ffffffff8057d1f3>] svc_sendto+0x1da/0x2a0 <Aug/15 06:00 am> [<ffffffff80360bb5>] encode_fattr3+0x187/0x197 <Aug/15 06:00 am> [<ffffffff80360c30>] encode_post_op_attr+0x6b/0x84

<Aug/15 06:00 am> [<ffffffff8057e1ae>] svc_tcp_sendto+0x42/0x9f

<Aug/15 06:00 am> [<ffffffff8057e2dd>] svc_send+0xd2/0x11e <Aug/15 06:00 am> [<ffffffff8057c9f8>] svc_process+0x45f/0x6e7 <Aug/15 06:00 am> [<ffffffff8058deba>] down_read+0x12/0x9a <Aug/15 06:00 am> [<ffffffff80354f9f>] nfsd+0x1a1/0x2ba <Aug/15 06:00 am> [<ffffffff8020cc48>] child_rip+0xa/0x12 <Aug/15 06:00 am> [<ffffffff80354dfe>] nfsd+0x0/0x2ba <Aug/15 06:00 am> [<ffffffff8020cc3e>] child_rip+0x0/0x12

<Aug/15 06:00 am>Code: 48 2b ba c8 6b 00 00 48 c1 ff 03 48 0f af f8 48 03 ba d8 6b <Aug/15 06:00 am>RIP [<ffffffff8027573b>] page_to_pfn+0x19/0x33 <Aug/15 06:00 am> RSP <ffff810220ef5a38> <Aug/15 06:00 am>CR2: 0000000000006bc8 <Aug/15 06:00 am>---[ end trace 55a7b3383491d7a8 ]--- </pre>