> -----Original Message----- > From: Richard GENOUD [mailto:richard.genoud@xxxxxxxxx] > Sent: Thursday, February 28, 2013 3:35 AM > To: KY Srinivasan > Cc: Haiyang Zhang; devel@xxxxxxxxxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx > Subject: hv_netvsc: WARNING in softirq.c > > Hi, > > Here is the kernel trace I got this morning (kern.log): > Feb 27 22:32:59 devlabo kernel: [10688.187062] hv_vmbus: child device > vmbus_0_8 unregistered > Feb 27 22:34:37 devlabo kernel: [10688.187196] ------------[ cut here ]----------- > - > Feb 27 22:34:37 devlabo kernel: [10688.187203] WARNING: at /build/buildd- > linux_3.2.35-2-amd64-v9djlH/linux-3.2.35/kernel/softirq.c:159 > _local_bh_enable_ip.isra.11+0x3d/0x88() > Feb 27 22:34:37 devlabo kernel: [10688.187206] Hardware name: Virtual > Machine > Feb 27 22:34:37 devlabo kernel: [10688.187208] Modules linked in: > des_generic ecb md4 hmac nls_utf8 cifs nfsd nfs nfs_acl auth_rpcgss fscache > lockd sunrpc loop snd_pcm snd_page_alloc snd_timer snd joydev processor > hid_hyperv crc32c_intel hid thermal_sys i2c_piix4 evdev button soundcore > hv_utils i2c_core psmouse serio_raw pcspkr ext4 crc16 jbd2 mbcache > sd_mod crc_t10dif hv_netvsc hv_storvsc sg sr_mod cdrom ata_generic > floppy hv_vmbus ata_piix libata scsi_mod [last unloaded: scsi_wait_scan] > Feb 27 22:34:37 devlabo kernel: [10688.187244] Pid: 0, comm: swapper/0 Not > tainted 3.2.0-4-amd64 #1 Debian 3.2.35-2 > Feb 27 22:34:37 devlabo kernel: [10688.187246] Call Trace: > Feb 27 22:34:37 devlabo kernel: [10688.187248] <IRQ> [<ffffffff81046a75>] ? > warn_slowpath_common+0x78/0x8c > Feb 27 22:34:37 devlabo kernel: [10688.187257] [<ffffffff8104bf76>] ? > _local_bh_enable_ip.isra.11+0x3d/0x88 > Feb 27 22:34:37 devlabo kernel: [10688.187262] [<ffffffffa00a59b5>] ? > rndis_filter_receive+0x236/0x259 [hv_netvsc] > Feb 27 22:34:37 devlabo kernel: [10688.187267] [<ffffffffa00a4e5f>] ? > netvsc_channel_cb+0x37a/0x449 [hv_netvsc] > Feb 27 22:34:37 devlabo kernel: [10688.187273] [<ffffffffa006211b>] ? > vmbus_on_event+0x91/0xdd [hv_vmbus] > Feb 27 22:34:37 devlabo kernel: [10688.187277] [<ffffffff812432d5>] ? > add_interrupt_randomness+0x38/0x155 > Feb 27 22:34:37 devlabo kernel: [10688.187283] [<ffffffff8104b89a>] ? > tasklet_action+0x73/0xc2 > Feb 27 22:34:37 devlabo kernel: [10688.187287] [<ffffffff8104c084>] ? > __do_softirq+0xb9/0x177 > Feb 27 22:34:37 devlabo kernel: [10688.187292] [<ffffffff8135426c>] ? > call_softirq+0x1c/0x30 > Feb 27 22:34:37 devlabo kernel: [10688.187297] [<ffffffff8100f8dd>] ? > do_softirq+0x3c/0x7b > Feb 27 22:34:37 devlabo kernel: [10688.187300] [<ffffffff8104c2ec>] ? > irq_exit+0x3c/0x9a > Feb 27 22:34:37 devlabo kernel: [10688.187303] [<ffffffff8100f60d>] ? > do_IRQ+0x82/0x98 > Feb 27 22:34:37 devlabo kernel: [10688.187307] [<ffffffff8134d32e>] ? > common_interrupt+0x6e/0x6e > Feb 27 22:34:37 devlabo kernel: [10688.187309] <EOI> [<ffffffff81065dbd>] ? > timekeeping_get_ns+0xd/0x2a > Feb 27 22:34:37 devlabo kernel: [10688.187317] [<ffffffff8106bc20>] ? > arch_local_irq_enable+0x4/0x8 > Feb 27 22:34:37 devlabo kernel: [10688.187321] [<ffffffff8100d286>] ? > cpu_idle+0xe8/0xf2 > Feb 27 22:34:37 devlabo kernel: [10688.187324] [<ffffffff816abb33>] ? > start_kernel+0x3b3/0x3be > Feb 27 22:34:37 devlabo kernel: [10688.187328] [<ffffffff816ab140>] ? > early_idt_handlers+0x140/0x140 > Feb 27 22:34:37 devlabo kernel: [10688.187331] [<ffffffff816ab3c4>] ? > x86_64_start_kernel+0x104/0x111 > Feb 27 22:34:37 devlabo kernel: [10688.187333] ---[ end trace > 39158641c6e4b495 ]--- > > and there was a lot of them : > Feb 26 22:35:14 devlabo kernel: [37398.788119] ------------[ cut here ]----------- > - > Feb 26 22:35:14 devlabo kernel: [37398.788129] WARNING: at /build/buildd- > linux_3.2.35-2-amd64-v9djlH/linux-3.2.35/kernel/softirq.c:159 > _local_bh_enable_ip.isra.11+0x3d/0x88() > Feb 26 22:35:14 devlabo kernel: [37398.788132] Hardware name: Virtual > Machine > Feb 26 22:35:14 devlabo kernel: [37398.788133] Modules linked in: nfsd nfs > nfs_acl auth_rpcgss lockd sunrpc des_generic ecb md4 hmac nls_utf8 cifs > fscache loop snd_pcm snd_page_alloc snd_timer joydev crc32c_intel > i2c_piix4 snd processor hid_hyperv hid hv_utils soundcore button > thermal_sys pcspkr i2c_core psmouse evdev serio_raw ext4 crc16 jbd2 > mbcache sd_mod crc_t10dif hv_netvsc hv_storvsc sg sr_mod cdrom > ata_generic ata_piix libata scsi_mod floppy hv_vmbus [last unloaded: > scsi_wait_scan] > Feb 26 22:35:14 devlabo kernel: [37398.788169] Pid: 0, comm: swapper/0 Not > tainted 3.2.0-4-amd64 #1 Debian 3.2.35-2 > Feb 26 22:35:14 devlabo kernel: [37398.788171] Call Trace: > Feb 26 22:35:14 devlabo kernel: [37398.788172] <IRQ> [<ffffffff81046a75>] ? > warn_slowpath_common+0x78/0x8c > Feb 26 22:35:14 devlabo kernel: [37398.788181] [<ffffffff8104bf76>] ? > _local_bh_enable_ip.isra.11+0x3d/0x88 > Feb 26 22:35:14 devlabo kernel: [37398.788186] [<ffffffffa009e9b5>] ? > rndis_filter_receive+0x236/0x259 [hv_netvsc] > Feb 26 22:35:14 devlabo kernel: [37398.788190] [<ffffffffa009de5f>] ? > netvsc_channel_cb+0x37a/0x449 [hv_netvsc] > Feb 26 22:35:14 devlabo kernel: [37398.788196] [<ffffffffa000111b>] ? > vmbus_on_event+0x91/0xdd [hv_vmbus] > Feb 26 22:35:14 devlabo kernel: [37398.788200] [<ffffffff8104b89a>] ? > tasklet_action+0x73/0xc2 > Feb 26 22:35:14 devlabo kernel: [37398.788203] [<ffffffff8104c084>] ? > __do_softirq+0xb9/0x177 > Feb 26 22:35:14 devlabo kernel: [37398.788207] [<ffffffff81061755>] ? > run_posix_cpu_timers+0x23/0x346 > Feb 26 22:35:14 devlabo kernel: [37398.788211] [<ffffffff8135426c>] ? > call_softirq+0x1c/0x30 > Feb 26 22:35:14 devlabo kernel: [37398.788216] [<ffffffff8100f8dd>] ? > do_softirq+0x3c/0x7b > Feb 26 22:35:14 devlabo kernel: [37398.788218] [<ffffffff8104c2ec>] ? > irq_exit+0x3c/0x9a > Feb 26 22:35:14 devlabo kernel: [37398.788222] [<ffffffff810241c8>] ? > smp_apic_timer_interrupt+0x74/0x82 > Feb 26 22:35:14 devlabo kernel: [37398.788225] [<ffffffff81352ade>] ? > apic_timer_interrupt+0x6e/0x80 > Feb 26 22:35:14 devlabo kernel: [37398.788227] <EOI> [<ffffffff81013a17>] ? > native_sched_clock+0x27/0x2f > Feb 26 22:35:14 devlabo kernel: [37398.788233] [<ffffffff8102b360>] ? > native_safe_halt+0x2/0x3 > Feb 26 22:35:14 devlabo kernel: [37398.788236] [<ffffffff81014508>] ? > default_idle+0x47/0x7f > Feb 26 22:35:14 devlabo kernel: [37398.788238] [<ffffffff8100d24d>] ? > cpu_idle+0xaf/0xf2 > Feb 26 22:35:14 devlabo kernel: [37398.788241] [<ffffffff816abb33>] ? > start_kernel+0x3b3/0x3be > Feb 26 22:35:14 devlabo kernel: [37398.788244] [<ffffffff816ab140>] ? > early_idt_handlers+0x140/0x140 > Feb 26 22:35:14 devlabo kernel: [37398.788247] [<ffffffff816ab3c4>] ? > x86_64_start_kernel+0x104/0x111 > Feb 26 22:35:14 devlabo kernel: [37398.788249] ---[ end trace > 8f3991272dc0c5cc ]--- > Feb 26 22:35:14 devlabo kernel: [37398.789256] hv_vmbus: child device > vmbus_0_8 unregistered > > Feb 3 22:31:55 devlabo kernel: [37819.617243] ------------[ cut here ]----------- > - > Feb 3 22:31:55 devlabo kernel: [37819.617253] WARNING: at /build/buildd- > linux_3.2.35-2-amd64-v9djlH/linux-3.2.35/kernel/softirq.c:159 > _local_bh_enable_ip.isra.11+0x3d/0x88() > Feb 3 22:31:55 devlabo kernel: [37819.617257] Hardware name: Virtual > Machine > Feb 3 22:31:55 devlabo kernel: [37819.617259] Modules linked in: nfsd nfs > nfs_acl auth_rpcgss lockd sunrpc des_generic ecb md4 hmac nls_utf8 cifs > fscache loop joydev snd_pcm hid_hyperv hid snd_page_alloc snd_timer snd > hv_utils i2c_piix4 i2c_core soundcore processor psmouse crc32c_intel > thermal_sys button pcspkr evdev serio_raw ext4 crc16 jbd2 mbcache > sd_mod crc_t10dif hv_netvsc hv_storvsc sg sr_mod cdrom ata_generic > hv_vmbus ata_piix floppy libata scsi_mod [last unloaded: scsi_wait_scan] > Feb 3 22:31:55 devlabo kernel: [37819.617308] Pid: 0, comm: swapper/0 Not > tainted 3.2.0-4-amd64 #1 Debian 3.2.35-2 > Feb 3 22:31:55 devlabo kernel: [37819.617311] Call Trace: > Feb 3 22:31:55 devlabo kernel: [37819.617313] <IRQ> [<ffffffff81046a75>] ? > warn_slowpath_common+0x78/0x8c > Feb 3 22:31:55 devlabo kernel: [37819.617324] [<ffffffff8104bf76>] ? > _local_bh_enable_ip.isra.11+0x3d/0x88 > Feb 3 22:31:55 devlabo kernel: [37819.617331] [<ffffffffa00a09b5>] ? > rndis_filter_receive+0x236/0x259 [hv_netvsc] > Feb 3 22:31:55 devlabo kernel: [37819.617339] [<ffffffffa009fe5f>] ? > netvsc_channel_cb+0x37a/0x449 [hv_netvsc] > Feb 3 22:31:55 devlabo kernel: [37819.617347] [<ffffffffa006211b>] ? > vmbus_on_event+0x91/0xdd [hv_vmbus] > Feb 3 22:31:55 devlabo kernel: [37819.617353] [<ffffffff8104b89a>] ? > tasklet_action+0x73/0xc2 > Feb 3 22:31:55 devlabo kernel: [37819.617357] [<ffffffff8104c084>] ? > __do_softirq+0xb9/0x177 > Feb 3 22:31:55 devlabo kernel: [37819.617362] [<ffffffff81061755>] ? > run_posix_cpu_timers+0x23/0x346 > Feb 3 22:31:55 devlabo kernel: [37819.617366] [<ffffffff8104c350>] ? > raise_softirq_irqoff+0x6/0x25 > Feb 3 22:31:55 devlabo kernel: [37819.617372] [<ffffffff8135426c>] ? > call_softirq+0x1c/0x30 > Feb 3 22:31:55 devlabo kernel: [37819.617378] [<ffffffff8100f8dd>] ? > do_softirq+0x3c/0x7b > Feb 3 22:31:55 devlabo kernel: [37819.617382] [<ffffffff8104c2ec>] ? > irq_exit+0x3c/0x9a > Feb 3 22:31:55 devlabo kernel: [37819.617387] [<ffffffff810241c8>] ? > smp_apic_timer_interrupt+0x74/0x82 > Feb 3 22:31:55 devlabo kernel: [37819.617391] [<ffffffff81352ade>] ? > apic_timer_interrupt+0x6e/0x80 > Feb 3 22:31:55 devlabo kernel: [37819.617394] <EOI> [<ffffffff81013a17>] ? > native_sched_clock+0x27/0x2f > Feb 3 22:31:55 devlabo kernel: [37819.617402] [<ffffffff8102b360>] ? > native_safe_halt+0x2/0x3 > Feb 3 22:31:55 devlabo kernel: [37819.617407] [<ffffffff81014508>] ? > default_idle+0x47/0x7f > Feb 3 22:31:55 devlabo kernel: [37819.617411] [<ffffffff8100d24d>] ? > cpu_idle+0xaf/0xf2 > Feb 3 22:31:55 devlabo kernel: [37819.617415] [<ffffffff816abb33>] ? > start_kernel+0x3b3/0x3be > Feb 3 22:31:55 devlabo kernel: [37819.617420] [<ffffffff816ab140>] ? > early_idt_handlers+0x140/0x140 > Feb 3 22:31:55 devlabo kernel: [37819.617424] [<ffffffff816ab3c4>] ? > x86_64_start_kernel+0x104/0x111 > Feb 3 22:31:55 devlabo kernel: [37819.617427] ---[ end trace > a20acc0adc92e993 ]--- > Feb 3 22:31:55 devlabo kernel: [37819.618127] hv_vmbus: child device > vmbus_0_8 unregistered > > It does not happen every day, but quite often : 4 times in February > I'll ask my sysadm if there's something special at 22h30 in the host, > because it's always happening around this time. > > Machine is debian wheezy (7) under windows server 2008 R2 We will look into this. And further info around the time will also be helpful. Thanks, - Haiyang _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
