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-   -   Bug#616441: linux-image-2.6.32-5-xen-686: NETDEV WATCHDOG: usb0 (cdc_subset): transmit queue 0 timed out (http://www.linux-archive.org/debian-kernel/497166-bug-616441-linux-image-2-6-32-5-xen-686-netdev-watchdog-usb0-cdc_subset-transmit-queue-0-timed-out.html)

Ferenc Wagner 03-04-2011 01:44 PM

Bug#616441: linux-image-2.6.32-5-xen-686: NETDEV WATCHDOG: usb0 (cdc_subset): transmit queue 0 timed out
 
Package: linux-2.6
Version: 2.6.32-30
Severity: minor

Hi,

usb0 is a "crosslink" between two such machines for heartbeat purposes.
The below warning appeared when the node on the other end was executing
a reboot, right after its heartbeat process (reading/writing the other
end of the crosslink) shut down. It does not happen on each such event,
though, so I can't readily reproduce it, but if may be feasible if
somebody knows what and how to press. It hasn't got any obvious adverse
effect on the operation of the machines.

Thanks,
Feri.

-- Package-specific info:
** Version:
Linux version 2.6.32-5-xen-686 (Debian 2.6.32-30) (ben@decadent.org.uk) (gcc version 4.3.5 (Debian 4.3.5-4) ) #1 SMP Wed Jan 12 07:52:18 UTC 2011

** Command line:
root=/dev/mapper/xen1ha-root ro console=hvc0 earlyprintk=xen 3

** Tainted: W (512)
* Taint on warning.

** Kernel log:
WARNING: at /build/buildd-linux-2.6_2.6.32-30-i386-UYhWt7/linux-2.6-2.6.32/debian/build/source_i386_xen/net/sched/sch_generic.c:261 dev_watchdog+0xbd/0x15d()
Hardware name: PowerEdge 2650
NETDEV WATCHDOG: usb0 (cdc_subset): transmit queue 0 timed out
Modules linked in: xt_physdev xen_evtchn xenfs crc32c ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi bridge 8021q garp stp bonding ip6t_REJECT ip6t_LOG nf_conntrack_ipv6 ip6table_filter ip6_tables xt_recent ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_tcpudp ipt_LOG xt_limit xt_multiport iptable_filter ip_tables ebtable_filter ebtables x_tables ext3 jbd mbcache ipmi_devintf ipmi_si ipmi_msghandler evdev snd_pcm snd_timer snd cdc_subset soundcore usbnet dcdbas mii snd_page_alloc pcspkr psmouse serio_raw shpchp i2c_piix4 pci_hotplug i2c_core button processor acpi_processor xfs exportfs dm_mod raid1 md_mod sd_mod crc_t10dif sg sr_mod cdrom ata_generic pata_serverworks ohci_hcd ehci_hcd aic7xxx scsi_transport_spi floppy usbcore libata tg3 libphy thermal nls_base thermal_sys scsi_mod [last unloaded: scsi_wait_scan]
Pid: 0, comm: swapper Not tainted 2.6.32-5-xen-686 #1
Call Trace:
[<c1037559>] ? warn_slowpath_common+0x5e/0x8a
[<c1207e90>] ? dev_watchdog+0x0/0x15d
[<c10375b7>] ? warn_slowpath_fmt+0x26/0x2a
[<c1207f4d>] ? dev_watchdog+0xbd/0x15d
[<c1007465>] ? lguest_clockevent_set_next_event+0x0/0x3e
[<c100676f>] ? xen_restore_fl_direct_end+0x0/0x1
[<c128ebc1>] ? _spin_unlock_irqrestore+0xd/0xf
[<c1006048>] ? xen_force_evtchn_callback+0xc/0x10
[<c1006778>] ? check_events+0x8/0xc
[<c10422b8>] ? run_timer_softirq+0x16a/0x1eb
[<c103c624>] ? __do_softirq+0xaa/0x151
[<c103c6fc>] ? do_softirq+0x31/0x3c
[<c103c7d2>] ? irq_exit+0x26/0x58
[<c119961e>] ? xen_evtchn_do_upcall+0x22/0x2c
[<c1009b5f>] ? xen_do_upcall+0x7/0xc
[<c10023a7>] ? hypercall_page+0x3a7/0x1001
[<c10060c9>] ? xen_safe_halt+0xf/0x1b
[<c10041cb>] ? xen_idle+0x23/0x30
[<c1008148>] ? cpu_idle+0x89/0xa5
---[ end trace 4720259753e3663e ]---

** Model information
not available

** Loaded modules:
Module Size Used by
xt_physdev 1228 0
xen_evtchn 3471 11
xenfs 7248 1
crc32c 2172 80
ib_iser 21904 0
rdma_cm 17846 1 ib_iser
ib_cm 22569 1 rdma_cm
iw_cm 5119 1 rdma_cm
ib_sa 13079 2 rdma_cm,ib_cm
ib_mad 26365 2 ib_cm,ib_sa
ib_core 33215 6 ib_iser,rdma_cm,ib_cm,iw_cm,ib_sa,ib_mad
ib_addr 4257 1 rdma_cm
iscsi_tcp 6685 34
libiscsi_tcp 9358 1 iscsi_tcp
libiscsi 24462 3 ib_iser,iscsi_tcp,libiscsi_tcp
scsi_transport_iscsi 19896 4 ib_iser,iscsi_tcp,libiscsi
bridge 33031 0
8021q 14114 0
garp 4130 1 8021q
stp 996 2 bridge,garp
bonding 65272 0
ip6t_REJECT 2148 2
ip6t_LOG 3666 3
nf_conntrack_ipv6 8363 4
ip6table_filter 1908 1
ip6_tables 8560 2 ip6t_LOG,ip6table_filter
xt_recent 4885 2
ipt_REJECT 1517 2
nf_conntrack_ipv4 7597 4
nf_defrag_ipv4 779 1 nf_conntrack_ipv4
xt_state 927 8
nf_conntrack 38079 3 nf_conntrack_ipv6,nf_conntrack_ipv4,xt_state
xt_tcpudp 1743 18
ipt_LOG 3570 5
xt_limit 1088 8
xt_multiport 1775 10
iptable_filter 1790 1
ip_tables 7690 1 iptable_filter
ebtable_filter 1155 0
ebtables 12237 1 ebtable_filter
x_tables 8327 13 xt_physdev,ip6t_REJECT,ip6t_LOG,ip6_tables,xt_rece nt,ipt_REJECT,xt_state,xt_tcpudp,ipt_LOG,xt_limit, xt_multiport,ip_tables,ebtables
ext3 94196 1
jbd 32161 1 ext3
mbcache 3762 1 ext3
ipmi_devintf 4029 2
ipmi_si 26764 1
ipmi_msghandler 22871 2 ipmi_devintf,ipmi_si
evdev 5609 1
snd_pcm 47402 0
snd_timer 12258 1 snd_pcm
snd 34375 2 snd_pcm,snd_timer
cdc_subset 1593 0
soundcore 3450 1 snd
usbnet 9539 1 cdc_subset
dcdbas 3940 0
mii 2714 1 usbnet
snd_page_alloc 5109 1 snd_pcm
pcspkr 1207 0
psmouse 44653 0
serio_raw 2916 0
shpchp 21264 0
i2c_piix4 7124 0
pci_hotplug 18065 1 shpchp
i2c_core 12696 1 i2c_piix4
button 3598 0
processor 30865 0
acpi_processor 3623 1 processor,[permanent]
xfs 416873 6
exportfs 2618 1 xfs
dm_mod 46074 22
raid1 16371 2
md_mod 67341 3 raid1
sd_mod 25965 20
crc_t10dif 1012 1 sd_mod
sg 15972 0
sr_mod 10770 0
cdrom 26487 1 sr_mod
ata_generic 2067 0
pata_serverworks 3969 0
ohci_hcd 17068 0
ehci_hcd 28255 0
aic7xxx 95547 4
scsi_transport_spi 14866 1 aic7xxx
floppy 40931 0
usbcore 98793 5 cdc_subset,usbnet,ohci_hcd,ehci_hcd
libata 116053 2 ata_generic,pata_serverworks
tg3 88633 0
libphy 11638 1 tg3
thermal 9206 0
nls_base 4541 1 usbcore
thermal_sys 9378 2 processor,thermal
scsi_mod 101425 10 ib_iser,iscsi_tcp,libiscsi,scsi_transport_iscsi,sd _mod,sg,sr_mod,aic7xxx,scsi_transport_spi,libata

** PCI devices:
00:00.0 Host bridge [0600]: Broadcom CMIC-LE Host Bridge (GC-LE chipset) [1166:0014] (rev 33)
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:00.1 Host bridge [0600]: Broadcom CMIC-LE Host Bridge (GC-LE chipset) [1166:0014]
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:00.2 Host bridge [0600]: Broadcom CMIC-LE Host Bridge (GC-LE chipset) [1166:0014]
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:04.0 Unassigned class [ff00]: Dell Embedded Remote Access or ERA/O [1028:000c]
Subsystem: Dell Embedded Remote Access or ERA/O [1028:000c]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 11
Region 0: Memory at feb80000 (32-bit, prefetchable) [size=4K]
Region 1: I/O ports at ecf8 [size=8]
Region 2: I/O ports at ece8 [size=8]
Expansion ROM at fe000000 [disabled] [size=64K]
Capabilities: <access denied>

00:04.1 Unassigned class [ff00]: Dell Remote Access Card III [1028:0008]
Subsystem: Dell Remote Access Card III [1028:0008]
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin B routed to IRQ 23
Region 0: Memory at fe102000 (32-bit, non-prefetchable) [size=4K]
Region 1: I/O ports at ec80 [size=64]
Region 2: Memory at feb00000 (32-bit, prefetchable) [size=512K]
Capabilities: <access denied>
Kernel driver in use: serial

00:04.2 Unassigned class [ff00]: Dell Embedded Remote Access: BMC/SMIC device [1028:000d]
Subsystem: Dell Embedded Remote Access: BMC/SMIC device [1028:000d]
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin C routed to IRQ 7
Region 0: I/O ports at ecf4 [size=4]
Capabilities: <access denied>

00:0e.0 VGA compatible controller [0300]: ATI Technologies Inc Rage XL [1002:4752] (rev 27) (prog-if 00 [VGA controller])
Subsystem: Dell Device [1028:0121]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop+ ParErr- Stepping+ SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32 (2000ns min), Cache Line Size: 64 bytes
Region 0: Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
Region 1: I/O ports at e800 [size=256]
Region 2: Memory at fe101000 (32-bit, non-prefetchable) [size=4K]
[virtual] Expansion ROM at 10000000 [disabled] [size=128K]
Capabilities: <access denied>

00:0f.0 Host bridge [0600]: Broadcom CSB5 South Bridge [1166:0201] (rev 93)
Subsystem: Broadcom CSB5 South Bridge [1166:0201]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
Latency: 32
Kernel driver in use: piix4_smbus

00:0f.1 IDE interface [0101]: Broadcom CSB5 IDE Controller [1166:0212] (rev 93) (prog-if 82 [Master PriP])
Subsystem: Broadcom CSB5 IDE Controller [1166:0212]
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64
Region 0: I/O ports at 01f0 [size=8]
Region 1: I/O ports at 03f4 [size=1]
Region 2: I/O ports at 0170 [size=8]
Region 3: I/O ports at 0374 [size=1]
Region 4: I/O ports at 08b0 [size=16]
Kernel driver in use: pata_serverworks

00:0f.2 USB Controller [0c03]: Broadcom OSB4/CSB5 OHCI USB Controller [1166:0220] (rev 05) (prog-if 10 [OHCI])
Subsystem: Broadcom OSB4/CSB5 OHCI USB Controller [1166:0220]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32 (20000ns max)
Interrupt: pin A routed to IRQ 11
Region 0: Memory at fe100000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: ohci_hcd

00:0f.3 ISA bridge [0601]: Broadcom CSB5 LPC bridge [1166:0225]
Subsystem: Broadcom Device [1166:0230]
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0

00:10.0 Host bridge [0600]: Broadcom CIOB-X2 PCI-X I/O Bridge [1166:0101] (rev 05)
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
Capabilities: <access denied>

00:10.2 Host bridge [0600]: Broadcom CIOB-X2 PCI-X I/O Bridge [1166:0101] (rev 05)
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
Capabilities: <access denied>

00:11.0 Host bridge [0600]: Broadcom CIOB-X2 PCI-X I/O Bridge [1166:0101] (rev 05)
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
Capabilities: <access denied>

00:11.2 Host bridge [0600]: Broadcom CIOB-X2 PCI-X I/O Bridge [1166:0101] (rev 05)
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
Capabilities: <access denied>

03:06.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5703X Gigabit Ethernet [14e4:16a7] (rev 02)
Subsystem: Dell Device [1028:0121]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (16000ns min), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 28
Region 0: Memory at fcf10000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: tg3

03:08.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5703X Gigabit Ethernet [14e4:16a7] (rev 02)
Subsystem: Dell Device [1028:0121]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (16000ns min), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 29
Region 0: Memory at fcf00000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: tg3

04:08.0 PCI bridge [0604]: Intel Corporation 80303 I/O Processor PCI-to-PCI Bridge [8086:0309] (rev 01) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32, Cache Line Size: 64 bytes
Bus: primary=04, secondary=05, subordinate=05, sec-latency=32
I/O behind bridge: 0000c000-0000cfff
Memory behind bridge: fcc00000-fcdfffff
Prefetchable memory behind bridge: 10100000-101fffff
Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- <SERR- <PERR-
BridgeCtl: Parity- SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>

05:06.0 SCSI storage controller [0100]: Adaptec AIC-7899P U160/m [9005:00cf] (rev 01)
Subsystem: Dell Device [1028:0121]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32 (10000ns min, 6250ns max), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 30
BIST result: 00
Region 0: I/O ports at cc00 [disabled] [size=256]
Region 1: Memory at fccff000 (64-bit, non-prefetchable) [size=4K]
Expansion ROM at fcd00000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: aic7xxx

05:06.1 SCSI storage controller [0100]: Adaptec AIC-7899P U160/m [9005:00cf] (rev 01)
Subsystem: Dell Device [1028:0121]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32 (10000ns min, 6250ns max), Cache Line Size: 64 bytes
Interrupt: pin B routed to IRQ 31
BIST result: 00
Region 0: I/O ports at c800 [disabled] [size=256]
Region 1: Memory at fccfe000 (64-bit, non-prefetchable) [size=4K]
Expansion ROM at 10100000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: aic7xxx


** USB devices:
Bus 001 Device 002: ID 0402:5632 ALi Corp. M5632 Host-to-Host Link
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


-- System Information:
Debian Release: 6.0
APT prefers stable
APT policy: (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-5-xen-686 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-2.6.32-5-xen-686 depends on:
ii debconf [debconf-2.0] 1.5.36.1 Debian configuration management sy
ii initramfs-tools 0.98.8 tools for generating an initramfs
ii linux-base 2.6.32-30 Linux image base package
ii module-init-tools 3.12-1 tools for managing Linux kernel mo

Versions of packages linux-image-2.6.32-5-xen-686 recommends:
ii firmware-linux-free 2.6.32-30 Binary firmware for various driver
ii libc6-xen 2.11.2-10 Embedded GNU C Library: Shared lib

Versions of packages linux-image-2.6.32-5-xen-686 suggests:
pn grub <none> (no description available)
pn linux-doc-2.6.32 <none> (no description available)

Versions of packages linux-image-2.6.32-5-xen-686 is related to:
pn firmware-bnx2 <none> (no description available)
pn firmware-bnx2x <none> (no description available)
pn firmware-ipw2x00 <none> (no description available)
pn firmware-ivtv <none> (no description available)
pn firmware-iwlwifi <none> (no description available)
pn firmware-linux <none> (no description available)
pn firmware-linux-nonfree <none> (no description available)
pn firmware-qlogic <none> (no description available)
pn firmware-ralink <none> (no description available)
ii xen-hypervisor-4.0-i386 [xen- 4.0.1-2 The Xen Hypervisor on i386

-- debconf information:
linux-image-2.6.32-5-xen-686/postinst/depmod-error-initrd-2.6.32-5-xen-686: false
linux-image-2.6.32-5-xen-686/prerm/removing-running-kernel-2.6.32-5-xen-686: true
* linux-image-2.6.32-5-xen-686/postinst/missing-firmware-2.6.32-5-xen-686:
linux-image-2.6.32-5-xen-686/postinst/ignoring-do-bootloader-2.6.32-5-xen-686:



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Ben Hutchings 03-04-2011 02:05 PM

Bug#616441: linux-image-2.6.32-5-xen-686: NETDEV WATCHDOG: usb0 (cdc_subset): transmit queue 0 timed out
 
On Fri, Mar 04, 2011 at 03:44:04PM +0100, Ferenc Wagner wrote:
> Package: linux-2.6
> Version: 2.6.32-30
> Severity: minor
>
> Hi,
>
> usb0 is a "crosslink" between two such machines for heartbeat purposes.
> The below warning appeared when the node on the other end was executing
> a reboot, right after its heartbeat process (reading/writing the other
> end of the crosslink) shut down. It does not happen on each such event,
> though, so I can't readily reproduce it, but if may be feasible if
> somebody knows what and how to press. It hasn't got any obvious adverse
> effect on the operation of the machines.

This is quite possibly a hardware bug. Does the driver successfully
recover after this warning?

You may find it easier to reproduce if you use the packet generator to
send a lot of traffic from machine 1 to machine 2 and the shut down
machine 2. If that works to reproduce it then the next step would be
to test a more recent kernel version to find out whether it has been
fixed already.

If you cannot find a reliable reproducer, I'm afraid this is unlikely
to be fixed.

Ben.

--
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
- Albert Camus



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Archive: 20110304150539.GN19810@decadent.org.uk">http://lists.debian.org/20110304150539.GN19810@decadent.org.uk

Ben Hutchings 03-04-2011 02:45 PM

Bug#616441: linux-image-2.6.32-5-xen-686: NETDEV WATCHDOG: usb0 (cdc_subset): transmit queue 0 timed out
 
On Fri, Mar 04, 2011 at 03:05:39PM +0000, Ben Hutchings wrote:
> On Fri, Mar 04, 2011 at 03:44:04PM +0100, Ferenc Wagner wrote:
> > Package: linux-2.6
> > Version: 2.6.32-30
> > Severity: minor
> >
> > Hi,
> >
> > usb0 is a "crosslink" between two such machines for heartbeat purposes.
> > The below warning appeared when the node on the other end was executing
> > a reboot, right after its heartbeat process (reading/writing the other
> > end of the crosslink) shut down. It does not happen on each such event,
> > though, so I can't readily reproduce it, but if may be feasible if
> > somebody knows what and how to press. It hasn't got any obvious adverse
> > effect on the operation of the machines.
>
> This is quite possibly a hardware bug. Does the driver successfully
> recover after this warning?
>
> You may find it easier to reproduce if you use the packet generator to
[...]

That's the "pktgen" module which is documented at
<http://www.kernel.org/doc/Documentation/networking/pktgen.txt>.

Ben.

--
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
- Albert Camus



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