severity 648004 normal
thanks

On Tue, Nov 08, 2011 at 10:15:33AM +0100, Bernhard Reutner-Fischer wrote:
> On debian 6.0.2 i am running a XEN guest with 2.6.32-5-xen-amd64
> from linux-image-2.6.32-5-xen-amd64 (version 2.6.32-35).

This is neither the latest version (2.6.32-38 is it) nor is it
supported (use the non -xen variant).

> The bug sounds like it comes from the openvirtuozzo patch.

Which is not available in this package.

Bastian

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On Tue, Nov 08, 2011 at 01:29:34PM +0100, Bastian Blank wrote:
>severity 648004 normal
>thanks
>
>On Tue, Nov 08, 2011 at 10:15:33AM +0100, Bernhard Reutner-Fischer wrote:
>> On debian 6.0.2 i am running a XEN guest with 2.6.32-5-xen-amd64
>> from linux-image-2.6.32-5-xen-amd64 (version 2.6.32-35).
>
>This is neither the latest version (2.6.32-38 is it) nor is it
>supported (use the non -xen variant).

Works fine with 3.0.0-1-amd64 (linux-image-3.0.0-1-amd64 v3.0.0-3) from
testing.

Same thing happens with current, stable version (2.6.32-38) of linux-image-2.6.32-5-xen-amd64

[ 382.049709] HTB: quantum of class 10666 is big. Consider r2q change.
[ 382.086646] u32 classifier
[ 382.086652] Performance counters on
[ 382.086655] input device check on
[ 382.086658] Actions configured
[ 382.097749] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 382.097760] IP: [<(null)>] (null)
[ 382.097765] PGD fdcc3067 PUD fdcf6067 PMD 0
[ 382.097772] Oops: 0010 [#1] SMP
[ 382.097777] last sysfs file: /sys/devices/virtual/net/lo/operstate
[ 382.097782] CPU 0
[ 382.097786] Modules linked in: act_police cls_u32 sch_sfq sch_htb snd_pcm snd_timer snd soundcore snd_page_alloc evdev pcspkr ext4 mbcache jbd2 crc16 xen_netfront xen_blkfront
[ 382.097812] Pid: 1036, comm: tc Not tainted 2.6.32-5-xen-amd64 #1
[ 382.097817] RIP: e030:[<0000000000000000>] [<(null)>] (null)
[ 382.097822] RSP: e02b:ffff8800fdce1940 EFLAGS: 00010282
[ 382.097827] RAX: ffffffffa0106c80 RBX: ffff8800fea0fe40 RCX: 00000000416e3e1a
[ 382.097832] RDX: 0000000000020000 RSI: 0000000000000000 RDI: ffff8800fd8c8000
[ 382.097837] RBP: ffff8800ffa4ef00 R08: ffff8800ffc03100 R09: ffff880000009680
[ 382.097841] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8800ffa4ea40
[ 382.097847] R13: ffff8800fea0fe40 R14: ffff8800fdce19b8 R15: 0000000000000000
[ 382.097855] FS: 00007fef5deed700(0000) GS:ffff8800038ad000(0000) knlGS:0000000000000000
[ 382.097861] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 382.097865] CR2: 0000000000000000 CR3: 00000000fe4d9000 CR4: 0000000000002660
[ 382.097870] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 382.097875] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 382.097881] Process tc (pid: 1036, threadinfo ffff8800fdce0000, task ffff880002c10000)
[ 382.097886] Stack:
[ 382.097889] ffffffffa010d7b8 ffff8800ffb15ea0 ffffffffa010dabe 000000200040003d
[ 382.097896] <0> ffff8800fea0fe40 ffff8800fd348488 0000000080000800 ffff8800ffa4ef00
[ 382.097906] <0> ffff8800fdce1aa8 ffff8800ffa4ea40 ffffffffa010db3c 0000000000000002
[ 382.097916] Call Trace:
[ 382.097922] [<ffffffffa010d7b8>] ? u32_set_parms+0xbd/0x143 [cls_u32]
[ 382.097929] [<ffffffffa010dabe>] ? u32_change+0x280/0x39c [cls_u32]
[ 382.097935] [<ffffffffa010db3c>] ? u32_change+0x2fe/0x39c [cls_u32]
[ 382.097943] [<ffffffff81276add>] ? tc_ctl_tfilter+0x4ea/0x5af
[ 382.097951] [<ffffffff8100e635>] ? xen_force_evtchn_callback+0x9/0xa
[ 382.097957] [<ffffffff8127b480>] ? netlink_sendmsg+0x162/0x255
[ 382.097964] [<ffffffff81269dc3>] ? rtnetlink_rcv_msg+0x0/0x1f5
[ 382.097970] [<ffffffff8127b040>] ? netlink_rcv_skb+0x34/0x7c
[ 382.097976] [<ffffffff81269dbd>] ? rtnetlink_rcv+0x1f/0x25
[ 382.097981] [<ffffffff8127ae34>] ? netlink_unicast+0xe2/0x148
[ 382.097988] [<ffffffff812588f9>] ? __alloc_skb+0x69/0x15a
[ 382.097993] [<ffffffff8127b560>] ? netlink_sendmsg+0x242/0x255
[ 382.098000] [<ffffffff81251265>] ? sock_sendmsg+0xa3/0xbb
[ 382.098006] [<ffffffff81251169>] ? sock_recvmsg+0xa6/0xbe
[ 382.098012] [<ffffffff81065f86>] ? autoremove_wake_function+0x0/0x2e
[ 382.098018] [<ffffffff81065f86>] ? autoremove_wake_function+0x0/0x2e
[ 382.098024] [<ffffffff81259c64>] ? verify_iovec+0x46/0x96
[ 382.098029] [<ffffffff812514a7>] ? sys_sendmsg+0x22a/0x2b5
[ 382.098036] [<ffffffff8100ecf2>] ? check_events+0x12/0x20
[ 382.098043] [<ffffffff8115453f>] ? cap_file_free_security+0x0/0x1
[ 382.098050] [<ffffffff8130fb26>] ? do_page_fault+0x2e0/0x2fc
[ 382.098056] [<ffffffff81011b42>] ? system_call_fastpath+0x16/0x1b
[ 382.098060] Code: Bad RIP value.
[ 382.098068] RIP [<(null)>] (null)
[ 382.098072] RSP <ffff8800fdce1940>
[ 382.098076] CR2: 0000000000000000
[ 382.098080] ---[ end trace 68f04f1376e5fcff ]---


>
>> The bug sounds like it comes from the openvirtuozzo patch.
>
>Which is not available in this package.

Are you sure?
The patch contains this hunk in the ChangeLog:
+ [ maximilian attems]
+ * Update openvz patch to feoktistov (ipv6, checkpointing, stability,
+ ipsec, nfs, ppp, tc, ve). (closes: #607041, #613501, #613170)

--- they touch tc! ---^

Maximilian, can you reproduce this?

thanks,



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On Wed, Nov 09, 2011 at 11:41:38AM +0100, Bernhard Reutner-Fischer wrote:
> On Tue, Nov 08, 2011 at 01:29:34PM +0100, Bastian Blank wrote:
> >This is neither the latest version (2.6.32-38 is it) nor is it
> >supported (use the non -xen variant).
> Works fine with 3.0.0-1-amd64 (linux-image-3.0.0-1-amd64 v3.0.0-3) from
> testing.

Maybe it was not clear. I asked you to use linux-image-2.6.32-5-amd64.

> >> The bug sounds like it comes from the openvirtuozzo patch.
> >Which is not available in this package.
> Maximilian, can you reproduce this?

Stop it.

Bastian

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On 9 November 2011 12:21, Bastian Blank <waldi@debian.org> wrote:
> On Wed, Nov 09, 2011 at 11:41:38AM +0100, Bernhard Reutner-Fischer wrote:
>> On Tue, Nov 08, 2011 at 01:29:34PM +0100, Bastian Blank wrote:
>> >This is neither the latest version (2.6.32-38 is it) nor is it
>> >supported (use the non -xen variant).
>> Works fine with 3.0.0-1-amd64 (linux-image-3.0.0-1-amd64 v3.0.0-3) from
>> testing.
>
> Maybe it was not clear. I asked you to use linux-image-2.6.32-5-amd64.

found a box running
ii linux-image-2.6.32-5-amd64 2.6.32-38 Linux 2.6.32 for 64-bit PCs

Oops below, after this no new connections can be established to the
affected box.

[2842970.122743] HTB: quantum of class 10666 is big. Consider r2q change.
[2842970.177970] u32 classifier
[2842970.177972] Performance counters on
[2842970.177974] input device check on
[2842970.177975] Actions configured
[2842970.258552] BUG: unable to handle kernel NULL pointer dereference at (null)
[2842970.259019] IP: [<(null)>] (null)
[2842970.259226] PGD 6f099067 PUD 2de05067 PMD 0
[2842970.259418] Oops: 0010 [#1] SMP
[2842970.259594] last sysfs file:
/sys/devices/pci0000:00/0000:00:10.0/host2/target2:0:0/2:0:0:0/block/sda/removable
[2842970.259991] CPU 0
[2842970.260138] Modules linked in: act_police cls_u32 sch_sfq sch_htb
iptable_nat nf_nat btrfs zlib_deflate crc32c libcrc32c ufs qnx4
hfsplus hfs minix ntfs vfat msdos fat jfs nls_base xfs exportfs
reiserfs ext2 nf_conntrack_ipv6 ip6table_filter ip6_tables xt_tcpudp
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter
ip_tables x_tables vmsync vmmemctl vmhgfs ext3 jbd loop shpchp snd_pcm
snd_timer snd parport_pc soundcore snd_page_alloc psmouse parport
i2c_piix4 evdev serio_raw pcspkr i2c_core pci_hotplug vmci processor
ac container button ext4 mbcache jbd2 crc16 dm_mod sg sd_mod
crc_t10dif sr_mod cdrom ata_generic mptspi ata_piix floppy mptscsih
mptbase scsi_transport_spi e1000 libata thermal thermal_sys scsi_mod
[last unloaded: scsi_wait_scan]
[2842970.270415] Pid: 7720, comm: tc Not tainted 2.6.32-5-amd64 #1
VMware Virtual Platform
[2842970.270771] RIP: 0010:[<0000000000000000>] [<(null)>] (null)
[2842970.274104] RSP: 0018:ffff88002a69f940 EFLAGS: 00010282
[2842970.274310] RAX: ffffffffa05ebc80 RBX: ffff88007cf08300 RCX:
0000000055e6e8ef
[2842970.274657] RDX: 0000000000020000 RSI: 0000000000000000 RDI:
ffff880074ad4000
[2842970.275004] RBP: ffff88004706eb00 R08: ffff880001811e30 R09:
ffff88002a69f778
[2842970.275346] R10: 0000000000000001 R11: 0000000000000001 R12:
ffff88004706e100
[2842970.275685] R13: ffff88007cf08300 R14: ffff88002a69f9b8 R15:
0000000000000000
[2842970.276025] FS: 00007f8b7b661700(0000) GS:ffff880001800000(0000)
knlGS:0000000000000000
[2842970.276381] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[2842970.276589] CR2: 0000000000000000 CR3: 000000007ead3000 CR4:
00000000000006f0
[2842970.276978] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[2842970.277369] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[2842970.277719] Process tc (pid: 7720, threadinfo ffff88002a69e000,
task ffff880040066a60)
[2842970.278093] Stack:
[2842970.278237] ffffffffa05f27b8 ffff88007d924300 ffffffffa05f2abe
000000204706eb00
[2842970.278505] <0> ffff88007cf08300 ffff8800629e1488
0000000080000800 ffff88004706eb00
[2842970.278870] <0> ffff88002a69faa8 ffff88004706e100
ffffffffa05f2b3c 0000000000000010
[2842970.279459] Call Trace:
[2842970.288681] [<ffffffffa05f27b8>] ? u32_set_parms+0xbd/0x143 [cls_u32]
[2842970.288925] [<ffffffffa05f2abe>] ? u32_change+0x280/0x39c [cls_u32]
[2842970.289192] [<ffffffffa05f2b3c>] ? u32_change+0x2fe/0x39c [cls_u32]
[2842970.310257] [<ffffffff81266341>] ? tc_ctl_tfilter+0x4ea/0x5af
[2842970.310515] [<ffffffff8126ace4>] ? netlink_sendmsg+0x162/0x255
[2842970.310729] [<ffffffff8125965a>] ? rtnetlink_rcv_msg+0x0/0x1f5
[2842970.310984] [<ffffffff8126a8a4>] ? netlink_rcv_skb+0x34/0x7c
[2842970.311210] [<ffffffff81259654>] ? rtnetlink_rcv+0x1f/0x25
[2842970.311433] [<ffffffff8126a698>] ? netlink_unicast+0xe2/0x148
[2842970.319847] [<ffffffff81248549>] ? __alloc_skb+0x69/0x15a
[2842970.320063] [<ffffffff8126adc4>] ? netlink_sendmsg+0x242/0x255
[2842970.328164] [<ffffffff81240eb5>] ? sock_sendmsg+0xa3/0xbb
[2842970.328426] [<ffffffff81240db9>] ? sock_recvmsg+0xa6/0xbe
[2842970.336342] [<ffffffff81064f16>] ? autoremove_wake_function+0x0/0x2e
[2842970.336571] [<ffffffff81064f16>] ? autoremove_wake_function+0x0/0x2e
[2842970.336800] [<ffffffff812498b4>] ? verify_iovec+0x46/0x96
[2842970.337016] [<ffffffff812410f7>] ? sys_sendmsg+0x22a/0x2b5
[2842970.346867] [<ffffffff812fe760>] ? do_page_fault+0x2da/0x2f2
[2842970.352133] [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
[2842970.352354] Code: Bad RIP value.
[2842970.352667] RIP [<(null)>] (null)
[2842970.352838] RSP <ffff88002a69f940>
[2842970.353009] CR2: 0000000000000000
[2842970.353567] ---[ end trace bc22a41a327190db ]---



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