[Xen-users] 100% usage in udev kernel BUG at /root/xen-4.0.1/linux-2.6-pvops.git/arch/x86/xen/mmu.c:1885

[nikolanikov@xxxxxxx]

Hello, I'm using Debian Lenny with Xen 4.0.1 with standard 2.6.32.25 kernel

In my new server after some period of running I got 100% usage of udev process and I can't stop it.

I upgraded to the newest libc and udev but the problem is here again. 

Here dmesg and pastebin http://pastebin.com/JNJPFSHz

[229995.580221] ------------[ cut here ]------------[229995.580419] kernel BUG at /root/xen-4.0.1/linux-2.6-pvops.git/arch/x86/xen/mmu.c:1885![229995.580624] invalid opcode: 0000 [#1] SMP [229995.580749] last sysfs file: /sys/devices/virtual/block/dm-49/removable[229995.580858] CPU 4 [229995.580966] Modules linked in: iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsd [last unloaded: scsi_wait_scan][229995.581320] Pid: 22551, comm: lvcreate Not tainted 2.6.32.25 #6 S5520HC[229995.581442] RIP: e030:[<ffffffff81041f65>]  [<ffffffff81041f65>] pin_pagetable_pfn+0x35/0x70[229995.581657] RSP: e02b:ffff8808d7093c18  EFLAGS: 00010282[229995.581767] RAX: 00000000ffffffea RBX: 00000000005fcf6e RCX: 00000000000001e7[229995.581956] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8808d7093c18[229995.582162] RBP: ffff8808d7093c38 R08: 0000000000000b70 R09: 00003ffffffff000[229995.582437] R10: 0000000000007ff0 R11: 0000000000000040 R12: 0000000000000003[229995.582625] R13: ffff8809ce149200 R14: ffff880202741078 R15: 00000000005fcf6e[229995.582828] FS:  00007f0218f77780(0000) GS:ffff8800280c5000(0000) knlGS:0000000000000000[229995.583032] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b[229995.583153] CR2: 00007f80c166fb80 CR3: 00000001fd1b1000 CR4: 0000000000002660[229995.583434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000[229995.583695] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400[229995.583889] Process lvcreate (pid: 22551, threadinfo ffff8808d7092000, task ffff8809ce1b8790)[229995.584157] Stack:[229995.584251]  ffff880800000000 000000000069f8bb 0000000100000000 00000000005fcf6e[229995.584394] <0> ffff8808d7093c58 ffffffff810420d9 ffffea0014f56010 ffff8809ce149180[229995.584693] <0> ffff8808d7093c68 ffffffff8104211e ffff8808d7093ca8 ffffffff81131c17[229995.585012] Call Trace:[229995.585117]  [<ffffffff810420d9>] xen_alloc_ptpage+0x89/0xa0[229995.585230]  [<ffffffff8104211e>] xen_alloc_pte+0xe/0x10[229995.585364]  [<ffffffff81131c17>] __pte_alloc+0x87/0x130[229995.585475]  [<ffffffff81135700>] handle_mm_fault+0x350/0xb70[229995.585654]  [<ffffffff811317e7>] ? follow_page+0x177/0x420[229995.585770]  [<ffffffff811360f1>] __get_user_pages+0x1d1/0x590[229995.585886]  [<ffffffff8111ea19>] ? add_page_to_unevictable_list+0x99/0xc0[229995.586012]  [<ffffffff811374be>] __mlock_vma_pages_range+0xbe/0x1b0[229995.586137]  [<ffffffff8106db5e>] ? pvclock_clocksource_read+0x4e/0xc0[229995.586260]  [<ffffffff8113773f>] mlock_fixup+0x18f/0x220[229995.586463]  [<ffffffff81137857>] do_mlockall+0x87/0xa0[229995.586645]  [<ffffffff8113797f>] sys_mlockall+0xaf/0xe0[229995.586754]  [<ffffffff81049242>] system_call_fastpath+0x16/0x1b[229995.586862] Code: 20 89 7d e0 80 3d 1d 13 d1 00 00 74 31 48 89 55 e8 48 8d 7d e0 be 01 00 00 00 31 d2 41 ba f0 7f 00 00 e8 df 73 fc ff 85 c0 74 0b <0f> 0b eb fe 0f 1f 80 00 00 00 00 c9 c3 66 0f 1f 44 00 00 48 89 [229995.587924] RIP  [<ffffffff81041f65>] pin_pagetable_pfn+0x35/0x70[229995.588043]  RSP <ffff8808d7093c18>[229995.588587] ---[ end trace f9e4617efaa82582 ]---

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