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Old 07-28-2008, 05:19 AM
"Ian jonhson"
 
Default PF_RING crashed the CentOS5 - BUG: soft lockup - CPU#7

Hi all,

The PF_RING seems not to work smoothly in CentOS 5.
Several day before, I patched the kernel 2.6.25.3 and
installed the PF_RING-patched kernel in my CentOS5.
Based on the PF_RING, I developed my program to capture
the network packages. I wished it can work until the
machine power is off. Unforturnately, no matter how to
adjust my program, whole system can not run more than
48 hours. Finally, whole system crashed and syslogd said
it found the following kernel output.

I have contacted CentOS people, but they said they had not
met the same problem in their operating system before.

I googled the internet and found similar bug occurred in Ubuntu
on the same hardware platform: Dell poweredge. However, the
fixing has to patch current kernel source code.

https://bugs.launchpad.net/ubuntu/hardy/+source/linux/+bug/214814

Also, I don't know what kernel they used. I downloaded the kernel
source codes from www.kernel.org and patched it with PF_RING. Then,
I setup the pathed kernel to run CentOS 5.

I would like to know whether I can avoid the bug if I used the
original CentOS kernel code, not the one from www.kernel.org.

Are there anyone who meet the similar trouble?

Thanks a lot.


------------------ part dump of /var/log/messages ----------------------

.....
Jul 25 02:15:02 vega2008 kernel: [<c045bc58>] ? exit_mmap+0x93/0xc9
Jul 25 02:15:02 vega2008 kernel: [<c04214c2>] ? mmput+0x25/0x68
Jul 25 02:15:02 vega2008 kernel: [<c046e9c9>] ? flush_old_exec+0x4f8/0x777
Jul 25 02:15:02 vega2008 kernel: [<c046dfcf>] ? kernel_read+0x32/0x43
Jul 25 02:15:02 vega2008 kernel: [<c0490e60>] ? load_elf_binary+0x359/0x1152
Jul 25 02:15:02 vega2008 kernel: [<c045a6ee>] ? get_user_pages+0x2d5/0x35c
Jul 25 02:15:02 vega2008 kernel: [<c04570d2>] ? page_address+0x78/0x98
Jul 25 02:15:02 vega2008 kernel: [<c045735a>] ? kmap_high+0x19/0x16b
Jul 25 02:15:02 vega2008 kernel: [<c04570d2>] ? page_address+0x78/0x98
Jul 25 02:15:02 vega2008 kernel: [<c046dced>] ? copy_strings+0x169/0x173
Jul 25 02:15:02 vega2008 kernel: [<c046ddad>] ?
search_binary_handler+0x8f/0x1af
Jul 25 02:15:02 vega2008 kernel: [<c046efe7>] ? do_execve+0x133/0x194
Jul 25 02:15:02 vega2008 kernel: [<c04030d7>] ? sys_execve+0x2a/0x4a
Jul 25 02:15:02 vega2008 kernel: [<c04047aa>] ? syscall_call+0x7/0xb
Jul 25 02:15:02 vega2008 kernel: [<c0610000>] ? early_init_intel+0x0/0x3c
Jul 25 02:15:02 vega2008 kernel: =======================
Jul 25 02:15:02 vega2008 kernel: BUG: soft lockup - CPU#7 stuck for
61s! [sshd:24188]
Jul 25 02:15:02 vega2008 kernel:
Jul 25 02:15:02 vega2008 kernel: Pid: 24188, comm: sshd Not tainted
(2.6.25.3 #3)
Jul 25 02:15:02 vega2008 kernel: EIP: 0060:[<c06154f0>] EFLAGS: 00200293 CPU: 7
Jul 25 02:15:02 vega2008 kernel: EIP is at _spin_lock+0xa/0x15
Jul 25 02:15:02 vega2008 kernel: EAX: c079349c EBX: f79ec580 ECX:
ffffffff EDX: 00008381
Jul 25 02:15:02 vega2008 kernel: ESI: ffffffff EDI: f79ec580 EBP:
f68a6580 ESP: f1824e50
Jul 25 02:15:02 vega2008 kernel: DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Jul 25 02:15:02 vega2008 kernel: CR0: 8005003b CR2: b7ebf978 CR3:
32996000 CR4: 000006f0
Jul 25 02:15:02 vega2008 kernel: DR0: 00000000 DR1: 00000000 DR2:
00000000 DR3: 00000000
Jul 25 02:15:02 vega2008 kernel: DR6: ffff0ff0 DR7: 00000400
Jul 25 02:15:02 vega2008 kernel: [<c04119c7>] ?
native_flush_tlb_others+0x49/0x9b
Jul 25 02:15:02 vega2008 kernel: [<c0411e65>] ? flush_tlb_mm+0x51/0x54
Jul 25 02:15:02 vega2008 kernel: [<c045bc58>] ? exit_mmap+0x93/0xc9
Jul 25 02:15:02 vega2008 kernel: [<c04214c2>] ? mmput+0x25/0x68
Jul 25 02:15:02 vega2008 kernel: [<c046e9c9>] ? flush_old_exec+0x4f8/0x777
Jul 25 02:15:02 vega2008 kernel: [<c046dfcf>] ? kernel_read+0x32/0x43
Jul 25 02:15:02 vega2008 kernel: [<c0490e60>] ? load_elf_binary+0x359/0x1152
Jul 25 02:15:02 vega2008 kernel: [<c045a6ee>] ? get_user_pages+0x2d5/0x35c
Jul 25 02:15:02 vega2008 kernel: [<c04570d2>] ? page_address+0x78/0x98
Jul 25 02:15:02 vega2008 kernel: [<c045735a>] ? kmap_high+0x19/0x16b
Jul 25 02:15:02 vega2008 kernel: [<c04570d2>] ? page_address+0x78/0x98
Jul 25 02:15:02 vega2008 kernel: [<c046dced>] ? copy_strings+0x169/0x173
Jul 25 02:15:02 vega2008 kernel: [<c046ddad>] ?
search_binary_handler+0x8f/0x1af
Jul 25 02:15:02 vega2008 kernel: [<c046efe7>] ? do_execve+0x133/0x194
Jul 25 02:15:02 vega2008 kernel: [<c04030d7>] ? sys_execve+0x2a/0x4a
Jul 25 02:15:02 vega2008 kernel: [<c04047aa>] ? syscall_call+0x7/0xb
Jul 25 02:15:02 vega2008 kernel: [<c0610000>] ? early_init_intel+0x0/0x3c
Jul 25 02:15:02 vega2008 kernel: =======================
Jul 25 02:15:02 vega2008 kernel: BUG: soft lockup - CPU#1 stuck for
61s! [http_cap:12228]
.............
-----------------------------------------------------------------------------------
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Old 07-28-2008, 05:25 AM
John R Pierce
 
Default PF_RING crashed the CentOS5 - BUG: soft lockup - CPU#7

Ian jonhson wrote:

Hi all,

The PF_RING seems not to work smoothly in CentOS 5.
Several day before, I patched the kernel 2.6.25.3

....


CentOS 5 uses kernel 2.6.18-xx ... If this PF_RING thing requires a
different kernel, I think a more accurate statement would be, PF_RING is
not supported on CentOS.





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