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xen-users
Re: [Xen-users] 2.6.31 xenified kernel - not ready for production
On Mon, Nov 09, 2009 at 06:20:01PM +0000, Andrew Lyon wrote:
> On Sun, Nov 8, 2009 at 8:32 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> > On Sun, Nov 08, 2009 at 08:40:43PM +0100, Peter Braun wrote:
> >> Hi,
> >>
> >> I just want to know if somebody use 2.6.31.4 xenified kernel (aka
> >> OpenSUSE) in production?
> >>
> >> We have been testing it on new Nehalem Xeon server for few weeks w/o
> >> any problem.
> >> But as soon we tried it on production machine - after several
> >> production domUs started - hard OS failure.
> >> We had to switch back to 2.6.18.8 - xen stock kernel.
> >>
> >
> > What kind of failure?
> >
> > I hope you have a serial console set up so you can capture the (possible)
> > BUG/OOPS/stacktrace or just the error messages..
> >
> > -- Pasi
> >
> >
>
> Yes I've had problems with 2.6.31 crashing with null pointer
> dereference, I am going to install opensuse 11.2 next week and see if
> I can replicate the problem using the opensuse kernel so that I can
> get some help from Jan to fix it.
>
Hmm.. dunno if this helps, it's from a user (from #xen) having problems with the
opensuse 2.6.31 patches:
http://hachi.kuiki.net/software_problems/20091110-xen-i7-panic/panic2.txt
[ 257.758664] BUG: unable to handle kernel paging request at ffff88016f521000
[ 257.766783] IP: [<ffffffff80391feb>] swiotlb_bounce+0x35/0x3a
[ 257.773349] PGD 1fd4067 PUD 29da067 PMD 2b55067 PTE 0
[ 257.779308] Thread overran stack, or stack corrupted
[ 257.784979] Oops: 0002 [#1] SMP
[ 257.789046] last sysfs file:
/sys/devices/xen-backend/vbd-1-2059/statistics/wr_sect
[ 257.797632] CPU 0
[ 257.800027] Modules linked in: xt_tcpudp xt_physdev iptable_filter ip_tables
x_tables bridge nls_utf8 nls_cp437 vfat fat 8021q garp stp bonding ipv6 lm85
hwmon_vid i2c_amd756 i2c_i801 i2c_core pl2303 usbserial button pcspkr processor
evdev ext3 jbd dm_mod raid456 raid6_pq async_xor async_memcpy async_tx xor
raid1 raid0 md_mod sd_mod ata_generic sata_promise ata_piix libata uhci_hcd
scsi_mod ide_pci_generic ide_core ehci_hcd e1000e thermal fan thermal_sys
configfs e100 mii [last unloaded: scsi_wait_scan]
[ 257.853871] Pid: 0, comm: swapper Not tainted 2.6.31.5 #2 X8ST3
[ 257.860462] RIP: e030:[<ffffffff80391feb>] [<ffffffff80391feb>]
swiotlb_bounce+0x35/0x3a
[ 257.869634] RSP: e02b:ffffc90000003d38 EFLAGS: 00010002
[ 257.875562] RAX: 0000000000002000 RBX: 0000000000007748 RCX: 0000000000002000
[ 257.883513] RDX: 0000000000002000 RSI: ffff88000e823000 RDI: ffff88016f521000
[ 257.891459] RBP: 0000000000000002 R08: ffff88000e823000 R09: 000000016f521000
[ 257.899379] R10: 000020208065dc20 R11: ffffc90000003e50 R12: 0000000000007748
[ 257.907331] R13: 0000000000002000 R14: ffff8801718bd080 R15: 0000000000000050
[ 257.915284] FS: 00007fb30d7106f0(0000) GS:ffffc90000000000(0000)
knlGS:0000000000000000
[ 257.924274] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 257.930694] CR2: ffff88016f521000 CR3: 0000000170aa8000 CR4: 0000000000002660
[ 257.938606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 257.946541] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 257.954466] Process swapper (pid: 0, threadinfo ffffffff805de000, task
ffffffff8062b490)
[ 257.963447] Stack:
[ 257.965740] ffffffff802b0358 ffffffff80392066 ffffffff802b0358
ffff8800f10220c0
[ 257.974011] <0> 0000000000000001 0000000000000002 0000000000000002
ffffffff80392197
[ 257.982945] <0> ffff88016f2f80d0 ffff88016f2f8000 0000000000000002
ffff8800f10220c0
[ 257.997334] Call Trace:
[ 258.000107] <IRQ>
[ 258.002580] [<ffffffff802b0358>] ? kfree+0x68/0x1a0
[ 258.008121] [<ffffffff80392066>] ? unmap_single+0x76/0x172
[ 258.014315] [<ffffffff802b0358>] ? kfree+0x68/0x1a0
[ 258.019857] [<ffffffff80392197>] ? swiotlb_unmap_sg_attrs+0x35/0x4e
[ 258.026939] [<ffffffffa00d3253>] ? ata_sg_clean+0x8a/0xa2 [libata]
[ 258.033938] [<ffffffffa00d32dd>] ? __ata_qc_complete+0x72/0xe1 [libata]
[ 258.041406] [<ffffffffa00e286f>] ? ata_sff_hsm_move+0x660/0x68b [libata]
[ 258.048956] [<ffffffffa004c7c1>] ? e1000_clean_tx_irq+0xc5/0x2d9 [e1000e]
[ 258.056599] [<ffffffffa00e2977>] ? ata_sff_host_intr+0xdd/0x128 [libata]
[ 258.064161] [<ffffffffa00e2af4>] ? ata_sff_interrupt+0x85/0xbf [libata]
[ 258.071609] [<ffffffff8026dc17>] ? handle_IRQ_event+0x74/0x147
[ 258.078197] [<ffffffff80238932>] ? __do_softirq+0x171/0x1b8
[ 258.084498] [<ffffffff8026f4d8>] ? handle_level_irq+0x9e/0x104
[ 258.091081] [<ffffffff8020b601>] ? handle_irq+0x17/0x1d
[ 258.097052] [<ffffffff804087f8>] ? evtchn_do_upcall+0x12d/0x1fd
[ 258.103741] [<ffffffff80209a4e>] ? do_hypervisor_callback+0x1e/0x30
[ 258.110808] <EOI>
[ 258.113281] [<ffffffff8020bdef>] ? xen_safe_halt+0xa2/0xb7
[ 258.119483] [<ffffffff8020f2c5>] ? xen_idle+0x5e/0xbc
[ 258.125213] [<ffffffff802087fe>] ? cpu_idle+0x46/0x82
[ 258.130932] [<ffffffff8068324b>] ? start_kernel+0x37b/0x387
[ 258.137262] Code: 89 f0 48 89 d0 75 13 48 be 00 00 00 00 00 88 ff ff 48 8d
34 37 4c 89 c7 eb 0e 48 bf 00 00 00 00 00 88 ff ff 49 8d 3c 39 48 89 c1 <f3> a4
41 58 c3 41 55 49 89 d5 41 54 55 89 cd 53 48 89 f3 48 83
[ 258.163334] RIP [<ffffffff80391feb>] swiotlb_bounce+0x35/0x3a
[ 258.169904] RSP <ffffc90000003d38>
[ 258.173813] CR2: ffff88016f521000
[ 258.177542] ---[ end trace f10a55534d9fba8d ]---
[ 258.182794] Kernel panic - not syncing: Fatal exception in interrupt
[ 258.189843] Pid: 0, comm: swapper Tainted: G D 2.6.31.5 #2
[ 258.196716] Call Trace:
[ 258.199489] <IRQ> [<ffffffff804d7710>] ? panic+0x86/0x14c
[ 258.205811] [<ffffffff8024afe0>] ? up+0xe/0x36
[ 258.210876] [<ffffffff802335d6>] ? release_console_sem+0x1e6/0x21b
[ 258.217839] [<ffffffff8020d251>] ? oops_end+0xbe/0xcb
[ 258.223571] [<ffffffff80217480>] ? no_context+0x1fc/0x20b
[ 258.229693] [<ffffffffa030596b>] ? br_handle_frame_finish+0x127/0x148
[bridge]
[ 258.237833] [<ffffffff8021763f>] ? __bad_area_nosemaphore+0x1b0/0x1d4
[ 258.245128] [<ffffffffa0309a50>] ? br_nf_pre_routing_finish+0x0/0x2d2
[bridge]
[ 258.253257] [<ffffffff8047b3f0>] ? nf_hook_slow+0x62/0xc3
[ 258.259377] [<ffffffffa0309a50>] ? br_nf_pre_routing_finish+0x0/0x2d2
[bridge]
[ 258.267512] [<ffffffffa0304e93>] ? __br_forward+0x88/0x9d [bridge]
[ 258.274506] [<ffffffff8021786c>] ? do_page_fault+0xa2/0x27a
[ 258.280810] [<ffffffff804da4f8>] ? page_fault+0x28/0x30
[ 258.286727] [<ffffffff80391feb>] ? swiotlb_bounce+0x35/0x3a
[ 258.293059] [<ffffffff802b0358>] ? kfree+0x68/0x1a0
[ 258.298637] [<ffffffff80392066>] ? unmap_single+0x76/0x172
[ 258.304856] [<ffffffff802b0358>] ? kfree+0x68/0x1a0
[ 258.310408] [<ffffffff80392197>] ? swiotlb_unmap_sg_attrs+0x35/0x4e
[ 258.317472] [<ffffffffa00d3253>] ? ata_sg_clean+0x8a/0xa2 [libata]
[ 258.324456] [<ffffffffa00d32dd>] ? __ata_qc_complete+0x72/0xe1 [libata]
[ 258.331948] [<ffffffffa00e286f>] ? ata_sff_hsm_move+0x660/0x68b [libata]
[ 258.339493] [<ffffffffa004c7c1>] ? e1000_clean_tx_irq+0xc5/0x2d9 [e1000e]
[ 258.347171] [<ffffffffa00e2977>] ? ata_sff_host_intr+0xdd/0x128 [libata]
[ 258.354732] [<ffffffffa00e2af4>] ? ata_sff_interrupt+0x85/0xbf [libata]
[ 258.362187] [<ffffffff8026dc17>] ? handle_IRQ_event+0x74/0x147
[ 258.368778] [<ffffffff80238932>] ? __do_softirq+0x171/0x1b8
[ 258.375069] [<ffffffff8026f4d8>] ? handle_level_irq+0x9e/0x104
[ 258.381658] [<ffffffff8020b601>] ? handle_irq+0x17/0x1d
[ 258.387582] [<ffffffff804087f8>] ? evtchn_do_upcall+0x12d/0x1fd
[ 258.394268] [<ffffffff80209a4e>] ? do_hypervisor_callback+0x1e/0x30
[ 258.401358] <EOI> [<ffffffff8020bdef>] ? xen_safe_halt+0xa2/0xb7
[ 258.408316] [<ffffffff8020f2c5>] ? xen_idle+0x5e/0xbc
[ 258.414054] [<ffffffff802087fe>] ? cpu_idle+0x46/0x82
[ 258.419816] [<ffffffff8068324b>] ? start_kernel+0x37b/0x387
[ 258.426378] Rebooting in 60 seconds..
s <SpaceBar> to update BIOS.
-- Pasi
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