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Re: *NOT SOLVED* vzmond hanging during vzctl stop - ends in panic [message #15359 is a reply to message #15348]

Fri, 27 July 2007 22:20

jochum
Messages: 21
Registered: December 2006
Location: Naperville, IL, USA

Junior Member

Hi Den:

Thanks for responding and your patience in working on this. I will try to answer your questions, and also attach a copy of a full kernel dump.

1) Can I try Kirill's latest version?
A) I downloaded and installed his version (ovzkernel-PAE-2.6.18-8.1.8.el5.028stab039.1.i686.rpm
ovzkernel-PAE-devel-2.6.18-8.1.8.el5.028stab039.1.i686.rpm
), but they still failed.

2) I have tries this on 2 differen't VE's. Both of them are based on CentOS 5.0. One of these was the download from the OpenVZ website, the other from my own conversion of CentOS4 to CentOS5.

3) Do I have the crashes on the same node, or arbitrary ones?
I have this configuration running on 6 nodes, and I can reproduce the failure on all 6 of them.

4) Is there any specific activity before the crash?
Nothing special. Basically, I start the host, and than have been using a script to start the VPS, perform a pwd of an automounted NFS filesystem, and then stop the VPS. I can tell it will fail, when the VPS does not shut down completly (vzlist -a shows it is running but has 0 processes). Once in this state (where the VPS does not shut down completely), it takes a while (anywhere from minutes to hours) before the kernel panics. During this interval, I do receive messages on the console, (nfs) "server xxx not responding, still trying"

Here is the copy of the kernel dump. Note, this was run against Kirill's kernel, with out the included patch. I will next work on building Kirill's kernel with the new patch.

thanks,

Paul

BUG: unable to handle kernel NULL pointer dereference at virtual address 00000040
printing eip:
c05b85e3
*pde = 37532001
Oops: 0000 [#1]
SMP
last sysfs file:
Modules linked in: simfs(U) vzethdev(U) vzrst(U) ip_nat(U) vzcpt(U) ip_conntrack(U) nfnetlink(U) vzdquota(U) xt_tcpudp(U) xt_length(U) ipt_ttl(U) xt_tcpmss(U) ipt_TCPMSS(U) iptable_mangle(U) iptable_filter(U) xt_multiport(U) xt_limit(U) ipt_tos(U) ipt_REJECT(U) ip_tables(U) x_tables(U) autofs4(U) nfs(U) lockd(U) fscache(U) nfs_acl(U) sunrpc(U) vznetdev(U) vzmon(U) vzdev(U) ipv6(U) cpufreq_ondemand(U) dm_mirror(U) dm_mod(U) video(U) sbs(U) i2c_ec(U) button(U) battery(U) asus_acpi(U) ac(U) parport_pc(U) lp(U) parport(U) sr_mod(U) sg(U) i2c_nforce2(U) i2c_core(U) k8_edac(U) pcspkr(U) ide_cd(U) edac_mc(U) e1000(U) serio_raw(U) forcedeth(U) cdrom(U) usb_storage(U) sata_nv(U) libata(U) mptsas(U) mptscsih(U) mptbase(U) scsi_transport_sas(U) sd_mod(U) scsi_mod(U) raid1(U) ext3(U) jbd(U) ehci_hcd(U) ohci_hcd(U) uhci_hcd(U)
CPU: 2, VCPU: 0.3
EIP: 0060:[<c05b85e3>] Not tainted VLI
EFLAGS: 00010286 (2.6.18-8.1.8.el5.028stab039.1PAE #1)
EIP is at __ip_route_output_key+0xf7/0x822
eax: 00000000 ebx: 00000000 ecx: 00000000 edx: 00000000
esi: 00000000 edi: f7f4bea4 ebp: f63e09c0 esp: f7f4bd90
ds: 007b es: 007b ss: 0068
Process events/3 (pid: 13, veid: 0, ti=f7f4a000 task=f7f49990 task.ti=f7f4a000)
Stack: f7f4bef8 00000000 00000000 00000040 00000000 f765f0c0 f4c724b8 c05d40f4
f4c724b8 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Call Trace:
[<c05d40f4>] tcp_v4_send_check+0x76/0xbb
[<c05d4490>] tcp_v4_connect+0x102/0x5f8
[<c04d5d5c>] __next_cpu+0x12/0x21
[<c0418c91>] find_busiest_group+0x178/0x45c
[<c05faef7>] _spin_lock_bh+0x8/0x18
[<c05de6b8>] inet_stream_connect+0x7d/0x208
[<c05f96e7>] schedule+0xcc3/0xda1
[<f91b3bb7>] xs_tcp_connect_worker+0x221/0x2bd [sunrpc]
[<c04314d7>] run_workqueue+0x7f/0xbc
[<f91b3996>] xs_tcp_connect_worker+0x0/0x2bd [sunrpc]
[<c0431af1>] worker_thread+0xd9/0x10c
[<c0419818>] default_wake_function+0x0/0xc
[<c0431a18>] worker_thread+0x0/0x10c
[<c043464b>] kthread+0xc0/0xed
[<c043458b>] kthread+0x0/0xed
[<c05fdc77>] kernel_thread_helper+0x7/0x10
=======================
Code: 83 e6 1d e8 ea 13 f2 ff 8b 07 f7 db 8b 4f 0c 83 e3 fd 89 44 24 24 89 e0 25 00 e0 ff ff 8b 00 8b 80 d4 05 00 00 8b 80 e8 02 00 00 <8b> 40 40 89 4c 24 30 88 5c 24 39 c7 44 24 7c 00 00 00 00 89 44
EIP: [<c05b85e3>] __ip_route_output_key+0xf7/0x822 SS:ESP 0068:f7f4bd90
Kernel panic - not syncing: Fatal exception

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[Message index]

		vzmond hanging during vzctl stop - ends in panic By: jochum on Tue, 03 July 2007 02:14
		Re: vzmond hanging during vzctl stop - ends in panic By: Vasily Tarasov on Tue, 03 July 2007 06:43
		Re: vzmond hanging during vzctl stop - ends in panic By: jochum on Tue, 03 July 2007 11:49
		Re: vzmond hanging during vzctl stop - ends in panic By: Vasily Tarasov on Thu, 05 July 2007 07:30
		NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: jochum on Sun, 22 July 2007 02:16
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: den on Mon, 23 July 2007 07:56
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: den on Mon, 23 July 2007 07:59
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: dev on Mon, 23 July 2007 08:06
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: jochum on Mon, 23 July 2007 11:59
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: den on Mon, 23 July 2007 11:58
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: jochum on Mon, 23 July 2007 12:10
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: jochum on Mon, 23 July 2007 21:40
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: den on Tue, 24 July 2007 11:22
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: jochum on Tue, 24 July 2007 17:29
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: den on Fri, 27 July 2007 12:37
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: jochum on Fri, 27 July 2007 22:20
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: jochum on Sat, 28 July 2007 02:53
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: den on Sat, 28 July 2007 09:44
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: jochum on Sat, 28 July 2007 19:10
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: den on Tue, 31 July 2007 10:51
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: jochum on Tue, 31 July 2007 22:48
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: den on Wed, 01 August 2007 05:26
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: jochum on Wed, 01 August 2007 22:34
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: den on Thu, 02 August 2007 07:34
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: den on Mon, 06 August 2007 09:45
		Re: NOT SOLVED vzmond hanging during vzctl stop - ends in panic By: jochum on Mon, 06 August 2007 14:16
		Re: vzmond hanging during vzctl stop - ends in panic By: den on Mon, 23 July 2007 14:33
		Re: vzmond hanging during vzctl stop - ends in panic By: jochum on Thu, 02 August 2007 11:16
		Re: vzmond hanging during vzctl stop - ends in panic By: bbjwp on Wed, 24 June 2009 20:35

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