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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Regression in xen-netfront on v3.6 (git commit c48a11c7ad2623b99bbd6859b0b4234e7f11176f, netvm: propagate page->pfmemalloc to skb)
On Fri, Aug 03, 2012 at 08:04:14AM -0400, Konrad Rzeszutek Wilk wrote:
> On Wed, Aug 01, 2012 at 03:02:27PM -0400, Konrad Rzeszutek Wilk wrote:
> > So I hadn't done a git bisection yet. But if I choose git commit:
> > 4b24ff71108164e047cf2c95990b77651163e315
> > Merge tag 'for-v3.6' of git://git.infradead.org/battery-2.6
> >
> > Pull battery updates from Anton Vorontsov:
> >
> >
> > everything works nicely. Anything past that, so these merges:
> >
> > konrad@phenom:~/ssd/linux$ git log --oneline --merges
> > 4b24ff71108164e047cf2c95990b77651163e315..linus/master
> > 2d53492 Merge tag 'irqdomain-for-linus' of
> > git://git.secretlab.ca/git/linux-2.6
> ===> ac694db Merge branch 'akpm' (Andrew's patch-bomb)
>
> Somewhere in there is the culprit. Hadn't done yet the full bisection
> (was just checking out in each merge to see when it stopped working)
Mel, your:
commit c48a11c7ad2623b99bbd6859b0b4234e7f11176f
Author: Mel Gorman <mgorman@xxxxxxx>
Date: Tue Jul 31 16:44:23 2012 -0700
netvm: propagate page->pfmemalloc to skb
is the culprit per git bisect. Any ideas - do the drivers need to do
some extra processing? Here is the git bisect log
git bisect start
# good: [a40a1d3d0a2fd613fdec6d89d3c053268ced76ed] Merge tag
# 'vfio-for-v3.6' of git://github.com/awilliam/linux-vfio
git bisect good a40a1d3d0a2fd613fdec6d89d3c053268ced76ed
# bad: [ac694dbdbc403c00e2c14d10bc7b8412cc378259] Merge branch 'akpm'
# (Andrew's patch-bomb)
git bisect bad ac694dbdbc403c00e2c14d10bc7b8412cc378259
# good: [62ce1c706f817cb9defef3ac2dfdd815149f2968] mm, oom: move
# declaration for mem_cgroup_out_of_memory to oom.h
git bisect good 62ce1c706f817cb9defef3ac2dfdd815149f2968
# bad: [5a178119b0fbe37f7dfb602b37df9cc4b1dc9d71] mm: add support for
# direct_IO to highmem pages
git bisect bad 5a178119b0fbe37f7dfb602b37df9cc4b1dc9d71
# good: [7cb0240492caea2f6467f827313478f41877e6ef] netvm: allow the use
# of __GFP_MEMALLOC by specific sockets
git bisect good 7cb0240492caea2f6467f827313478f41877e6ef
# bad: [5515061d22f0f9976ae7815864bfd22042d36848] mm: throttle direct
# reclaimers if PF_MEMALLOC reserves are low and swap is backed by
# network storage
git bisect bad 5515061d22f0f9976ae7815864bfd22042d36848
# bad: [0614002bb5f7411e61ffa0dfe5be1f2c84df3da3] netvm: propagate
# page->pfmemalloc from skb_alloc_page to skb
git bisect bad 0614002bb5f7411e61ffa0dfe5be1f2c84df3da3
# bad: [c48a11c7ad2623b99bbd6859b0b4234e7f11176f] netvm: propagate
# page->pfmemalloc to skb
git bisect bad c48a11c7ad2623b99bbd6859b0b4234e7f11176f
# good: [c93bdd0e03e848555d144eb44a1f275b871a8dd5] netvm: allow skb
# allocation to use PFMEMALLOC reserves
git bisect good c93bdd0e03e848555d144eb44a1f275b871a8dd5
>
> Andrew CC-ing you here, the serial log is below.
> > a40a1d3 Merge tag 'vfio-for-v3.6' of git://github.com/awilliam/linux-vfio
> > 3e9a970 Merge tag 'random_for_linus' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
> > 941c872 Merge tag 'rdma-for-linus' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
> > 8762541 Merge branch 'v4l_for_linus' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
> > 6dbb35b Merge tag 'nfs-for-3.6-2' of
> > git://git.linux-nfs.org/projects/trondmy/linux-nfs
> > fd37ce3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
> > 1da9b6b Merge branches 'cma', 'ipoib', 'ocrdma' and 'qib' into for-next
> > 6aeea3e Merge remote-tracking branch 'origin' into irqdomain/next
> > 931efdf Merge branch 'v4l_for_linus' into staging/for_v3.6
> > 80c1834 Merge tag 'v3.5-rc6' into irqdomain/next
> >
> > are the culprit. I think it might be the networking pull but not sure. Ian
> > any thoughts?
> >
> > Using config file "/test.xm".
> > Started domain latest (id=2)
> > [ 0.000000] console [hvc0] enabled, bootconsole disabled
> > [ 0.000000] Xen: using vcpuop timer interface
> > [ 0.000000] installing Xen timer for CPU 0
> > [ 0.000000] tsc: Detected 2294.530 MHz processor
> > [ 0.000999] Calibrating delay loop (skipped), value calculated using
> > timer frequency.. 4589.06 BogoMIPS (lpj=2294530)
> > [ 0.000999] pid_max: default: 32768 minimum: 301
> > [ 0.000999] Security Framework initialized
> > [ 0.000999] SELinux: Initializing.
> > [ 0.000999] SELinux: Starting in permissive mode
> > [ 0.000999] Dentry cache hash table entries: 524288 (order: 10, 4194304
> > bytes)
> > [ 0.001520] Inode-cache hash table entries: 262144 (order: 9, 2097152
> > bytes)
> > [ 0.001875] Mount-cache hash table entries: 256
> > [ 0.002007] Initializing cgroup subsys cpuacct
> > [ 0.002013] Initializing cgroup subsys freezer
> > [ 0.002070] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
> > [ 0.002070] ENERGY_PERF_BIAS: View and update with
> > x86_energy_perf_policy(8)
> > [ 0.002084] CPU: Physical Processor ID: 0
> > [ 0.002087] CPU: Processor Core ID: 0
> > [ 0.002094] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
> > [ 0.002094] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32
> > [ 0.002094] tlb_flushall_shift is 0x5
> > [ 0.002164] SMP alternatives: switching to UP code
> > [ 0.025291] Freeing SMP alternatives: 24k freed
> > [ 0.025356] cpu 0 spinlock event irq 17
> > [ 0.025383] Performance Events: unsupported p6 CPU model 45 no PMU
> > driver, software events only.
> > [ 0.025551] NMI watchdog: disabled (cpu0): hardware events not enabled
> > [ 0.025576] Brought up 1 CPUs
> > [ 0.028642] kworker/u:0 (14) used greatest stack depth: 5936 bytes left
> > [ 0.028675] Grant tables using version 2 layout.
> > [ 0.028691] Grant table initialized
> > [ 0.047616] RTC time: 165:165:165, date: 165/165/65
> > [ 0.047661] NET: Registered protocol family 16
> > [ 0.048184] dca service started, version 1.12.1
> > [ 0.048545] PCI: setting up Xen PCI frontend stub
> > [ 0.048552] PCI: pci_cache_line_size set to 64 bytes
> > [ 0.049543] kworker/u:0 (51) used greatest stack depth: 5472 bytes left
> > [ 0.054147] bio: create slab <bio-0> at 0
> > [ 0.054240] ACPI: Interpreter disabled.
> > [ 0.054288] xen/balloon: Initialising balloon driver.
> > [ 0.055127] xen-balloon: Initialising balloon driver.
> > [ 0.055127] vgaarb: loaded
> > [ 0.056125] usbcore: registered new interface driver usbfs
> > [ 0.056162] usbcore: registered new interface driver hub
> > [ 0.056217] usbcore: registered new device driver usb
> > [ 0.056425] PCI: System does not support PCI
> > [ 0.056431] PCI: System does not support PCI
> > [ 0.056617] NetLabel: Initializing
> > [ 0.056624] NetLabel: domain hash size = 128
> > [ 0.056627] NetLabel: protocols = UNLABELED CIPSOv4
> > [ 0.056642] NetLabel: unlabeled traffic allowed by default
> > [ 0.056725] Switching to clocksource xen
> > [ 0.056795] pnp: PnP ACPI: disabled
> > [ 0.058698] NET: Registered protocol family 2
> > [ 0.059805] TCP established hash table entries: 524288 (order: 11,
> > 8388608 bytes)
> > [ 0.061110] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
> > [ 0.061243] TCP: Hash tables configured (established 524288 bind 65536)
> > [ 0.061281] TCP: reno registered
> > [ 0.061304] UDP hash table entries: 2048 (order: 4, 65536 bytes)
> > [ 0.061341] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes)
> > [ 0.061425] NET: Registered protocol family 1
> > [ 0.061492] RPC: Registered named UNIX socket transport module.
> > [ 0.061498] RPC: Registered udp transport module.
> > [ 0.061504] RPC: Registered tcp transport module.
> > [ 0.061510] RPC: Registered tcp NFSv4.1 backchannel transport module.
> > [ 0.061518] PCI: CLS 0 bytes, default 64
> > [ 0.061643] Trying to unpack rootfs image as initramfs...
> > [ 0.382189] Freeing initrd memory: 362080k freed
> > [ 0.499615] platform rtc_cmos: registered platform RTC device (no PNP
> > device found)
> > [ 0.499831] Machine check injector initialized
> > [ 0.500181] microcode: CPU0 sig=0x206d2, pf=0x1, revision=0x8000020c
> > [ 0.500229] microcode: Microcode Update Driver: v2.00
> > <tigran@xxxxxxxxxxxxxxxxxxxx>, Peter Oruba
> > [ 0.500544] audit: initializing netlink socket (disabled)
> > [ 0.500566] type=2000 audit(1343845740.901:1): initialized
> > [ 0.515227] HugeTLB registered 2 MB page size, pre-allocated 0 pages
> > [ 0.515358] VFS: Disk quotas dquot_6.5.2
> > [ 0.515386] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
> > [ 0.515525] NFS: Registering the id_resolver key type
> > [ 0.515544] Key type id_resolver registered
> > [ 0.515551] Key type id_legacy registered
> > [ 0.515599] NTFS driver 2.1.30 [Flags: R/W].
> > [ 0.515706] msgmni has been set to 8021
> > [ 0.515765] SELinux: Registering netfilter hooks
> > [ 0.516222] Block layer SCSI generic (bsg) driver version 0.4 loaded
> > (major 253)
> > [ 0.516232] io scheduler noop registered
> > [ 0.516236] io scheduler deadline registered
> > [ 0.516243] io scheduler cfq registered (default)
> > [ 0.516337] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
> > [ 0.516442] ioatdma: Intel(R) QuickData Technology Driver 4.00
> > [ 0.532923] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
> > [ 0.533399] Non-volatile memory driver v1.3
> > [ 0.533406] Linux agpgart interface v0.103
> > [ 0.533588] [drm] Initialized drm 1.1.0 20060810
> > [ 0.535196] brd: module loaded
> > [ 0.535992] loop: module loaded
> > [ 0.536344] libphy: Fixed MDIO Bus: probed
> > [ 0.536351] tun: Universal TUN/TAP device driver, 1.6
> > [ 0.536354] tun: (C) 1999-2004 Max Krasnyansky <maxk@xxxxxxxxxxxx>
> > [ 0.536419] ixgbevf: Intel(R) 10 Gigabit PCI Express Virtual Function
> > Network Driver - version 2.6.0-k
> > [ 0.536428] ixgbevf: Copyright (c) 2009 - 2012 Intel Corporation.
> > [ 0.536721] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> > [ 0.536729] ehci_hcd: block sizes: qh 104 qtd 96 itd 192 sitd 96
> > [ 0.536770] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
> > [ 0.536776] ohci_hcd: block sizes: ed 80 td 96
> > [ 0.536826] uhci_hcd: USB Universal Host Controller Interface driver
> > [ 0.536929] usbcore: registered new interface driver usblp
> > [ 0.536977] usbcore: registered new interface driver libusual
> > [ 0.537164] i8042: PNP: No PS/2 controller found. Probing ports directly.
> > [ 0.538013] i8042: No controller found
> > [ 0.538103] mousedev: PS/2 mouse device common for all mice
> > [ 0.598349] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
> > [ 0.598404] rtc_cmos: probe of rtc_cmos failed with error -38
> > [ 0.598559] EFI Variables Facility v0.08 2004-May-17
> > [ 0.598701] Netfilter messages via NETLINK v0.30.
> > [ 0.598719] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
> > [ 0.598790] ctnetlink v0.93: registering with nfnetlink.
> > [ 0.598971] ip_tables: (C) 2000-2006 Netfilter Core Team
> > [ 0.599007] TCP: cubic registered
> > [ 0.599014] Initializing XFRM netlink socket
> > [ 0.599043] NET: Registered protocol family 10
> > [ 0.599238] ip6_tables: (C) 2000-2006 Netfilter Core Team
> > [ 0.599374] sit: IPv6 over IPv4 tunneling driver
> > [ 0.599589] NET: Registered protocol family 17
> > [ 0.599618] Key type dns_resolver registered
> > [ 0.599808] PM: Hibernation image not present or could not be loaded.
> > [ 0.599824] registered taskstats version 1
> > [ 0.599848] XENBUS: Device with no driver: device/vkbd/0
> > [ 0.599852] XENBUS: Device with no driver: device/vfb/0
> > [ 0.599856] XENBUS: Device with no driver: device/vbd/51712
> > [ 0.599860] XENBUS: Device with no driver: device/vif/0
> > [ 0.599886] Magic number: 1:252:3141
> > [ 0.600271] Freeing unused kernel memory: 704k freed
> > [ 0.600500] Write protecting the kernel read-only data: 8192k
> > [ 0.602437] Freeing unused kernel memory: 132k freed
> > [ 0.602589] Freeing unused kernel memory: 340k freed
> > init started: BusyBox v1.14.3 (2012-08-01 13:52:44 EDT)
> > [ 0.607489] consoletype (1056) used greatest stack depth: 5288 bytes left
> > Mounting directories [ OK ]
> > mount: mount point /proc/bus/usb does not exist
> > [ 0.781044] modprobe (1085) used greatest stack depth: 5048 bytes left
> > mount: mount point /sys/kernel/config does not exist
> > [ 0.785748] core_filesystem (1057) used greatest stack depth: 4968 bytes
> > left
> > [ 0.793721] input: Xen Virtual Keyboard as /devices/virtual/input/input0
> > [ 0.793892] input: Xen Virtual Pointer as /devices/virtual/input/input1
> > [ 1.010121] Initialising Xen virtual ethernet driver.
> > [ 1.124604] blkfront: xvda: flush diskcache: enabled
> > [ 1.126118] xvda: xvda1 xvda2 xvda3 xvda4
> > [ 1.239316] udevd (1128): /proc/1128/oom_adj is deprecated, please use
> > /proc/1128/oom_score_adj instead.
> > udevd-work[1130]: error opening ATTR{/sys/devices/system/cpu/cpu0/online}
> > for writing: No such file or directory
> >
> > [ 1.395080] ip (1408) used greatest stack depth: 3912 bytes left
> > Waiting for devices [ OK ]
> > Waiting for init.pre_custom [ OK ]
> > Waiting for fb [ OK ]
> > Starting..[/dev/fb0]
> > /dev/fb0: len:0
> > /dev/fb0: bits/pixel32
> > (7f44ddbc2000): Writting .. [800:600]
> > Done!
> > FATAL: Module agpgart_intel not found.
> > [ 1.652131] [drm] radeon kernel modesetting enabled.
> > WARNING: Error inserting video
> > (/lib/modules/3.5.0upstream-08854-g444fa66/kernel/drivers/acpi/video.ko):
> > No such device
> > WARNING: Error inserting mxm_wmi
> > (/lib/modules/3.5.0upstream-08854-g444fa66/kernel/drivers/platform/x86/mxm-wmi.ko):
> > No such device
> > WARNING: Error inserting drm_kms_helper
> > (/lib/modules/3.5.0upstream-08854-g444fa66/kernel/drivers/gpu/drm/drm_kms_helper.ko):
> > No such device
> > WARNING: Error inserting ttm
> > (/lib/modules/3.5.0upstream-08854-g444fa66/kernel/drivers/gpu/drm/ttm/ttm.ko):
> > No such device
> > FATAL: Error inserting nouveau
> > (/lib/modules/3.5.0upstream-08854-g444fa66/kernel/drivers/gpu/drm/nouveau/nouveau.ko):
> > No such device
> > [ 1.660288] Console: switching to colour frame buffer device 100x37
> > WARNING: Error inserting drm_kms_helper
> > (/lib/modules/3.5.0upstream-08854-g444fa66/kernel/drivers/gpu/drm/drm_kms_helper.ko):
> > No such device
> > FATAL: Error inserting i915
> > (/lib/modules/3.5.0upstream-08854-g444fa66/kernel/drivers/gpu/drm/i915/i915.ko):
> > No such device
> > Starting..[/dev/fb0]
> > /dev/fb0: len:0
> > /dev/fb0: bits/pixel32
> > (7fb8669cc000): Writting .. [800:600]
> > Done!
> > VGA: 0000:
> > Waiting for network [ OK ]
> > Bringing up loopback interface: [ OK ]
> > Bringing up interface eth0: [ 1.908592] BUG: unable to handle kernel
> > NULL pointer dereference at 0000000000000010
> > [ 1.908643] IP: [<ffffffffa0037750>] xennet_poll+0x980/0xec0
> > [xen_netfront]
> > [ 1.908703] PGD ea1df067 PUD e8ada067 PMD 0
> > [ 1.908774] Oops: 0000 [#1] SMP
> > [ 1.908797] Modules linked in: fbcon tileblit font radeon bitblit
> > softcursor ttm drm_kms_helper crc32c_intel xen_blkfront xen_netfront
> > xen_fbfront fb_sys_fops sysimgblt sysfillrect syscopyarea xen_kbdfront
> > xenfs xen_privcmd
> > [ 1.908938] CPU 0
> > [ 1.908950] Pid: 2165, comm: ip Not tainted 3.5.0upstream-08854-g444fa66
> > #1
> > [ 1.908983] RIP: e030:[<ffffffffa0037750>] [<ffffffffa0037750>]
> > xennet_poll+0x980/0xec0 [xen_netfront]
> > [ 1.909029] RSP: e02b:ffff8800ffc03db8 EFLAGS: 00010282
> > [ 1.909055] RAX: ffff8800ea010140 RBX: ffff8800f00e86c0 RCX:
> > 000000000000009a
> > [ 1.909055] RDX: 0000000000000040 RSI: 000000000000005a RDI:
> > ffff8800fa7dee80
> > [ 1.909055] RBP: ffff8800ffc03ee8 R08: ffff8800f00e86d8 R09:
> > ffff8800ea010000
> > [ 1.909055] R10: dead000000200200 R11: dead000000100100 R12:
> > ffff8800fa7dee80
> > [ 1.909055] R13: 000000000000005a R14: ffff8800fa7dee80 R15:
> > 0000000000000200
> > [ 1.909055] FS: 00007fbafc188700(0000) GS:ffff8800ffc00000(0000)
> > knlGS:0000000000000000
> > [ 1.909055] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
> > [ 1.909055] CR2: 0000000000000010 CR3: 00000000ea108000 CR4:
> > 0000000000002660
> > [ 1.909055] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> > 0000000000000000
> > [ 1.909055] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> > 0000000000000400
> > [ 1.909055] Process ip (pid: 2165, threadinfo ffff8800ea0f2000, task
> > ffff8800fa783040)
> > [ 1.909055] Stack:
> > [ 1.909055] ffff8800e27e5040 ffff8800ffc03e88 ffff8800ffc03e68
> > ffff8800ffc03e48
> > [ 1.909055] 7fffffffffffffff ffff8800ffc03e00 ffff8800e27e5040
> > ffff8800f00e86d8
> > [ 1.909055] ffff8800ffc03eb0 00000040ffffffff ffff8800f00e8000
> > 00000000ffc03e30
> > [ 1.909055] Call Trace:
> > [ 1.909055] <IRQ>
> > [ 1.909055] [<ffffffff81066028>] ? pvclock_clocksource_read+0x58/0xd0
> > [ 1.909055] [<ffffffff81486352>] net_rx_action+0x112/0x240
> > [ 1.909055] [<ffffffff8107f319>] __do_softirq+0xb9/0x190
> > [ 1.909055] [<ffffffff815d8d7c>] call_softirq+0x1c/0x30
> > [ 1.909055] <EOI>
> > [ 1.909055] [<ffffffff8103a435>] do_softirq+0x65/0xa0
> > [ 1.909055] [<ffffffff8107f834>] local_bh_enable_ip+0x94/0xa0
> > [ 1.909055] [<ffffffff815d11a4>] _raw_spin_unlock_bh+0x24/0x30
> > [ 1.909055] [<ffffffffa0036d44>] xennet_open+0x54/0xe0 [xen_netfront]
> > [ 1.909055] [<ffffffff81481dcf>] __dev_open+0xbf/0x120
> > [ 1.909055] [<ffffffff8148022c>] __dev_change_flags+0x9c/0x180
> > [ 1.909055] [<ffffffff81481cc3>] dev_change_flags+0x23/0x70
> > [ 1.909055] [<ffffffff81491062>] do_setlink+0x1c2/0xa10
> > [ 1.909055] [<ffffffff812b5d74>] ? nla_parse+0x34/0x110
> > [ 1.909055] [<ffffffff81494005>] rtnl_newlink+0x3a5/0x5c0
> > [ 1.909055] [<ffffffff812541c4>] ? selinux_capable+0x34/0x50
> > [ 1.909055] [<ffffffff81250223>] ? security_capable+0x13/0x20
> > [ 1.909055] [<ffffffff81491e07>] rtnetlink_rcv_msg+0x2c7/0x330
> > [ 1.909055] [<ffffffff810a18b7>] ? __might_sleep+0xe7/0x100
> > [ 1.909055] [<ffffffff81149a52>] ? kmem_cache_alloc_node+0x82/0x1d0
> > [ 1.909055] [<ffffffff8147a00c>] ? __skb_recv_datagram+0x11c/0x2f0
> > [ 1.909055] [<ffffffff81491b40>] ? rtnetlink_rcv+0x30/0x30
> > [ 1.909055] [<ffffffff814a9c89>] netlink_rcv_skb+0x99/0xc0
> > [ 1.909055] [<ffffffff81491b30>] rtnetlink_rcv+0x20/0x30
> > [ 1.909055] [<ffffffff814a9998>] netlink_unicast+0x1a8/0x220
> > [ 1.909055] [<ffffffff814aa535>] netlink_sendmsg+0x205/0x300
> > [ 1.909055] [<ffffffff8146ce19>] sock_sendmsg+0xb9/0xf0
> > [ 1.909055] [<ffffffff8146c51e>] ? copy_from_user+0x3e/0x50
> > [ 1.909055] [<ffffffff8146c576>] ? move_addr_to_kernel+0x46/0x80
> > [ 1.909055] [<ffffffff810a18b7>] ? __might_sleep+0xe7/0x100
> > [ 1.909055] [<ffffffff8146dd2d>] __sys_sendmsg+0x3dd/0x400
> > [ 1.909055] [<ffffffff8112c751>] ? handle_mm_fault+0x261/0x380
> > [ 1.909055] [<ffffffff815d4cd0>] ? do_page_fault+0x250/0x4f0
> > [ 1.909055] [<ffffffff8114a587>] ? kmem_cache_alloc+0x1a7/0x1f0
> > [ 1.909055] [<ffffffff811311a4>] ? do_brk+0x1b4/0x350
> > [ 1.909055] [<ffffffff8146df04>] sys_sendmsg+0x44/0x80
> > [ 1.909055] [<ffffffff815d7bf9>] system_call_fastpath+0x16/0x1b
> > [ 1.909055] Code: 44 00 00 41 80 8c 24 a8 00 00 00 04 e9 2f ff ff ff 66
> > 2e 0f 1f 84 00 00 00 00 00 41 8b 84 24 c8 00 00 00 49 03 84 24 d0 00 00 00
> > <80> 3c 25 10 00 00 00 00 48 8d 50 30 74 0f 48 83 3c 25 08 00 00
> > [ 1.909055] RIP [<ffffffffa0037750>] xennet_poll+0x980/0xec0
> > [xen_netfront]
> > [ 1.909055] RSP <ffff8800ffc03db8>
> > [ 1.909055] CR2: 0000000000000010
> > [ 1.947298] ---[ end trace 3f4ba742dffbe90d ]---
> > [ 1.947824] Kernel panic - not syncing: Fatal exception in interrupt
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-devel
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel
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