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Message-ID: <20140617103235.GB4824@pd.tnic>
Date: Tue, 17 Jun 2014 12:32:35 +0200
From: Borislav Petkov <bp@...en8.de>
To: linux-usb@...r.kernel.org, lkml <linux-kernel@...r.kernel.org>
Subject: WARNING: CPU: 1 PID: 479 at drivers/usb/core/port.c:197 ... failed
to peer
Hi,
I get the splat below on latest linus/master + tip/master, i.e.
3.16-rc1+. More info available upon request:
...
[ 3.366557] xhci_hcd 0000:00:14.0: xHCI Host Controller
[ 3.367225] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
[ 3.368064] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
[ 3.368884] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.369497] usb usb2: Product: xHCI Host Controller
[ 3.370101] usb usb2: Manufacturer: Linux 3.16.0-rc1+ xhci_hcd
[ 3.370701] usb usb2: SerialNumber: 0000:00:14.0
[ 3.371731] hub 2-0:1.0: USB hub found
[ 3.372364] hub 2-0:1.0: 4 ports detected
[ 3.373350] ------------[ cut here ]------------
[ 3.373957] WARNING: CPU: 1 PID: 479 at drivers/usb/core/port.c:197 link_peers_report+0xfb/0x280()
[ 3.374603] failed to peer usb2-port2 and usb1-port1 (usb2-port2 -> (null)) (usb1-port1 -> ffff8802132d3800)
[ 3.375225] Modules linked in: x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 glue_helper lrw arc4 gf128mul ablk_helper cryptd microcode iwldvm pcspkr mac80211 i2c_i801(+) sdhci_pci snd_hda_intel(+) snd_hda_controller snd_hda_codec thinkpad_acpi(+) snd_hwdep sdhci iwlwifi snd_pcm mmc_core nvram snd_timer cfg80211 lpc_ich(+) mfd_core ehci_pci(+) xhci_hcd(+) snd ehci_hcd e1000e wmi soundcore led_class battery ac(+) acpi_cpufreq processor thermal
[ 3.378139] CPU: 1 PID: 479 Comm: modprobe Not tainted 3.16.0-rc1+ #1
[ 3.378871] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012
[ 3.379610] 0000000000000009 ffff880037a9b500 ffffffff815f2932 ffff880037a9b548
[ 3.380392] ffff880037a9b538 ffffffff8105175d ffff8802131d6800 ffff8802132d4000
[ 3.381119] ffffffff81485e00 ffff880213ac2400 ffff8802132d4000 ffff880037a9b598
[ 3.381839] Call Trace:
[ 3.382521] [<ffffffff815f2932>] dump_stack+0x4e/0x7a
[ 3.383278] [<ffffffff8105175d>] warn_slowpath_common+0x7d/0xa0
[ 3.383985] [<ffffffff81485e00>] ? __find_interface+0x40/0x40
[ 3.384669] [<ffffffff810517cc>] warn_slowpath_fmt+0x4c/0x50
[ 3.385366] [<ffffffff815e8a20>] ? klist_next+0x20/0x100
[ 3.386109] [<ffffffff8149fb3b>] link_peers_report+0xfb/0x280
[ 3.386799] [<ffffffff81485e00>] ? __find_interface+0x40/0x40
[ 3.387488] [<ffffffff8149fd53>] match_location+0x93/0xa0
[ 3.388227] [<ffffffff81485e2c>] __each_dev+0x2c/0x30
[ 3.388937] [<ffffffff8141f2ab>] bus_for_each_dev+0x6b/0xb0
[ 3.389617] [<ffffffff81485a3e>] usb_for_each_dev+0x2e/0x30
[ 3.390306] [<ffffffff8149fcc0>] ? link_peers_report+0x280/0x280
[ 3.391045] [<ffffffff814a0007>] usb_hub_create_port_device+0x2a7/0x2b0
[ 3.391714] [<ffffffff8148d51f>] hub_probe+0x79f/0x990
[ 3.392401] [<ffffffff8149609a>] usb_probe_interface+0x1ca/0x2d0
[ 3.393151] [<ffffffff8142110f>] driver_probe_device+0x7f/0x250
[ 3.393823] [<ffffffff814212e0>] ? driver_probe_device+0x250/0x250
[ 3.394488] [<ffffffff8142131b>] __device_attach+0x3b/0x40
[ 3.395191] [<ffffffff8141f373>] bus_for_each_drv+0x63/0xa0
[ 3.396054] [<ffffffff81421040>] device_attach+0x90/0xb0
[ 3.396701] [<ffffffff81420598>] bus_probe_device+0xa8/0xd0
[ 3.397371] [<ffffffff8141e562>] device_add+0x4f2/0x610
[ 3.398053] [<ffffffff8149401d>] usb_set_configuration+0x50d/0x7f0
[ 3.398695] [<ffffffff8149e7ee>] generic_probe+0x2e/0xa0
[ 3.399360] [<ffffffff81495ea9>] usb_probe_device+0x29/0x50
[ 3.400027] [<ffffffff8142110f>] driver_probe_device+0x7f/0x250
[ 3.400670] [<ffffffff814212e0>] ? driver_probe_device+0x250/0x250
[ 3.401334] [<ffffffff8142131b>] __device_attach+0x3b/0x40
[ 3.402001] [<ffffffff8141f373>] bus_for_each_drv+0x63/0xa0
[ 3.402636] [<ffffffff81421040>] device_attach+0x90/0xb0
[ 3.403288] [<ffffffff81420598>] bus_probe_device+0xa8/0xd0
[ 3.403946] [<ffffffff8141e562>] device_add+0x4f2/0x610
[ 3.404579] [<ffffffff8148aa98>] usb_new_device+0x2a8/0x4c0
[ 3.405236] [<ffffffff81497ade>] ? usb_get_bos_descriptor+0xfe/0x260
[ 3.405897] [<ffffffff8148ef13>] usb_add_hcd+0x3e3/0x730
[ 3.406540] [<ffffffffa00b966c>] xhci_pci_probe+0x8c/0x170 [xhci_hcd]
[ 3.407195] [<ffffffff812d0265>] local_pci_probe+0x45/0xa0
[ 3.407890] [<ffffffff812d1425>] ? pci_match_device+0xe5/0x110
[ 3.408485] [<ffffffff812d1561>] pci_device_probe+0xd1/0x130
[ 3.409081] [<ffffffff8142110f>] driver_probe_device+0x7f/0x250
[ 3.409634] [<ffffffff814213b3>] __driver_attach+0x93/0xa0
[ 3.410273] [<ffffffff81421320>] ? __device_attach+0x40/0x40
[ 3.410888] [<ffffffff8141f2ab>] bus_for_each_dev+0x6b/0xb0
[ 3.411403] [<ffffffff81420c3e>] driver_attach+0x1e/0x20
[ 3.411928] [<ffffffff814208a8>] bus_add_driver+0x178/0x230
[ 3.412438] [<ffffffffa00c5000>] ? 0xffffffffa00c4fff
[ 3.413001] [<ffffffff81421bd4>] driver_register+0x64/0xf0
[ 3.413496] [<ffffffff812cfc0d>] __pci_register_driver+0x5d/0x60
[ 3.414059] [<ffffffffa00c52c2>] xhci_register_pci+0x1e/0xd5c [xhci_hcd]
[ 3.414653] [<ffffffffa00c5009>] xhci_hcd_init+0x9/0x14 [xhci_hcd]
[ 3.415319] [<ffffffff810002e0>] do_one_initcall+0xa0/0x1f0
[ 3.415943] [<ffffffff811626ba>] ? __vunmap+0xca/0x110
[ 3.416524] [<ffffffff810d1fee>] load_module+0x1cce/0x2410
[ 3.417057] [<ffffffff810ceae0>] ? symbol_put_addr+0x40/0x40
[ 3.417662] [<ffffffff810d287e>] SyS_finit_module+0x7e/0x80
[ 3.418202] [<ffffffff815fc556>] system_call_fastpath+0x1a/0x1f
[ 3.418730] ---[ end trace 728d26e6b72a1bd1 ]---
[ 3.419279] usb usb2-port2: failed to peer to usb1-port1 (-16)
[ 3.419813] usb: port power management may be unreliable
[ 3.420593] ------------[ cut here ]------------
[ 3.421127] WARNING: CPU: 0 PID: 479 at drivers/usb/core/port.c:197 link_peers_report+0xfb/0x280()
[ 3.421676] failed to peer usb2-port3 and usb1-port1 (usb2-port3 -> (null)) (usb1-port1 -> ffff8802132d3800)
[ 3.422246] Modules linked in: x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 glue_helper lrw arc4 gf128mul ablk_helper cryptd microcode iwldvm pcspkr mac80211 i2c_i801(+) sdhci_pci snd_hda_intel(+) snd_hda_controller snd_hda_codec thinkpad_acpi(+) snd_hwdep sdhci iwlwifi snd_pcm mmc_core nvram snd_timer cfg80211 lpc_ich(+) mfd_core ehci_pci(+) xhci_hcd(+) snd ehci_hcd e1000e wmi soundcore led_class battery ac(+) acpi_cpufreq processor thermal
[ 3.424990] CPU: 0 PID: 479 Comm: modprobe Tainted: G W 3.16.0-rc1+ #1
[ 3.425651] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012
[ 3.426304] 0000000000000009 ffff880037a9b500 ffffffff815f2932 ffff880037a9b548
[ 3.426985] ffff880037a9b538 ffffffff8105175d ffff8802131d6800 ffff88021335a800
[ 3.427643] ffffffff81485e00 ffff880213ac2400 ffff88021335a800 ffff880037a9b598
[ 3.428315] Call Trace:
[ 3.428982] [<ffffffff815f2932>] dump_stack+0x4e/0x7a
[ 3.429630] [<ffffffff8105175d>] warn_slowpath_common+0x7d/0xa0
[ 3.430304] [<ffffffff81485e00>] ? __find_interface+0x40/0x40
[ 3.431007] [<ffffffff810517cc>] warn_slowpath_fmt+0x4c/0x50
[ 3.431657] [<ffffffff815e8a20>] ? klist_next+0x20/0x100
[ 3.432326] [<ffffffff8149fb3b>] link_peers_report+0xfb/0x280
[ 3.433001] [<ffffffff81485e00>] ? __find_interface+0x40/0x40
[ 3.433650] [<ffffffff8149fd53>] match_location+0x93/0xa0
[ 3.434313] [<ffffffff81485e2c>] __each_dev+0x2c/0x30
[ 3.434979] [<ffffffff8141f2ab>] bus_for_each_dev+0x6b/0xb0
[ 3.435622] [<ffffffff81485a3e>] usb_for_each_dev+0x2e/0x30
[ 3.436282] [<ffffffff8149fcc0>] ? link_peers_report+0x280/0x280
[ 3.436937] [<ffffffff814a0007>] usb_hub_create_port_device+0x2a7/0x2b0
[ 3.437609] [<ffffffff8148d51f>] hub_probe+0x79f/0x990
[ 3.438283] [<ffffffff8149609a>] usb_probe_interface+0x1ca/0x2d0
[ 3.438958] [<ffffffff8142110f>] driver_probe_device+0x7f/0x250
[ 3.439627] [<ffffffff814212e0>] ? driver_probe_device+0x250/0x250
[ 3.440302] [<ffffffff8142131b>] __device_attach+0x3b/0x40
[ 3.440979] [<ffffffff8141f373>] bus_for_each_drv+0x63/0xa0
[ 3.441667] [<ffffffff81421040>] device_attach+0x90/0xb0
[ 3.442342] [<ffffffff81420598>] bus_probe_device+0xa8/0xd0
[ 3.443024] [<ffffffff8141e562>] device_add+0x4f2/0x610
[ 3.443700] [<ffffffff8149401d>] usb_set_configuration+0x50d/0x7f0
[ 3.444381] [<ffffffff8149e7ee>] generic_probe+0x2e/0xa0
[ 3.445061] [<ffffffff81495ea9>] usb_probe_device+0x29/0x50
[ 3.445732] [<ffffffff8142110f>] driver_probe_device+0x7f/0x250
[ 3.446405] [<ffffffff814212e0>] ? driver_probe_device+0x250/0x250
[ 3.447082] [<ffffffff8142131b>] __device_attach+0x3b/0x40
[ 3.447756] [<ffffffff8141f373>] bus_for_each_drv+0x63/0xa0
[ 3.448431] [<ffffffff81421040>] device_attach+0x90/0xb0
[ 3.449106] [<ffffffff81420598>] bus_probe_device+0xa8/0xd0
[ 3.449746] [<ffffffff8141e562>] device_add+0x4f2/0x610
[ 3.450405] [<ffffffff8148aa98>] usb_new_device+0x2a8/0x4c0
[ 3.451062] [<ffffffff81497ade>] ? usb_get_bos_descriptor+0xfe/0x260
[ 3.451732] [<ffffffff8148ef13>] usb_add_hcd+0x3e3/0x730
[ 3.452405] [<ffffffffa00b966c>] xhci_pci_probe+0x8c/0x170 [xhci_hcd]
[ 3.453072] [<ffffffff812d0265>] local_pci_probe+0x45/0xa0
[ 3.453720] [<ffffffff812d1425>] ? pci_match_device+0xe5/0x110
[ 3.454345] [<ffffffff812d1561>] pci_device_probe+0xd1/0x130
[ 3.454953] [<ffffffff8142110f>] driver_probe_device+0x7f/0x250
[ 3.455502] [<ffffffff814213b3>] __driver_attach+0x93/0xa0
[ 3.456048] [<ffffffff81421320>] ? __device_attach+0x40/0x40
[ 3.456564] [<ffffffff8141f2ab>] bus_for_each_dev+0x6b/0xb0
[ 3.457098] [<ffffffff81420c3e>] driver_attach+0x1e/0x20
[ 3.457598] [<ffffffff814208a8>] bus_add_driver+0x178/0x230
[ 3.458121] [<ffffffffa00c5000>] ? 0xffffffffa00c4fff
[ 3.458615] [<ffffffff81421bd4>] driver_register+0x64/0xf0
[ 3.459128] [<ffffffff812cfc0d>] __pci_register_driver+0x5d/0x60
[ 3.459623] [<ffffffffa00c52c2>] xhci_register_pci+0x1e/0xd5c [xhci_hcd]
[ 3.460141] [<ffffffffa00c5009>] xhci_hcd_init+0x9/0x14 [xhci_hcd]
[ 3.460635] [<ffffffff810002e0>] do_one_initcall+0xa0/0x1f0
[ 3.461150] [<ffffffff811626ba>] ? __vunmap+0xca/0x110
[ 3.461643] [<ffffffff810d1fee>] load_module+0x1cce/0x2410
[ 3.462158] [<ffffffff810ceae0>] ? symbol_put_addr+0x40/0x40
[ 3.462649] [<ffffffff810d287e>] SyS_finit_module+0x7e/0x80
[ 3.463165] [<ffffffff815fc556>] system_call_fastpath+0x1a/0x1f
[ 3.463667] ---[ end trace 728d26e6b72a1bd2 ]---
[ 3.464224] usb usb2-port3: failed to peer to usb1-port1 (-16)
[ 3.466119] ------------[ cut here ]------------
[ 3.468297] WARNING: CPU: 1 PID: 479 at drivers/usb/core/port.c:197 link_peers_report+0xfb/0x280()
[ 3.468897] failed to peer usb2-port4 and usb1-port1 (usb2-port4 -> (null)) (usb1-port1 -> ffff8802132d3800)
[ 3.469520] Modules linked in: x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 glue_helper lrw arc4 gf128mul ablk_helper cryptd microcode iwldvm pcspkr mac80211 i2c_i801(+) sdhci_pci snd_hda_intel(+) snd_hda_controller snd_hda_codec thinkpad_acpi(+) snd_hwdep sdhci iwlwifi snd_pcm mmc_core nvram snd_timer cfg80211 lpc_ich(+) mfd_core ehci_pci(+) xhci_hcd(+) snd ehci_hcd e1000e wmi soundcore led_class battery ac(+) acpi_cpufreq processor thermal
[ 3.472245] CPU: 1 PID: 479 Comm: modprobe Tainted: G W 3.16.0-rc1+ #1
[ 3.472898] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012
[ 3.473534] 0000000000000009 ffff880037a9b500 ffffffff815f2932 ffff880037a9b548
[ 3.474207] ffff880037a9b538 ffffffff8105175d ffff8802131d6800 ffff8802132d4800
[ 3.474905] ffffffff81485e00 ffff880213ac2400 ffff8802132d4800 ffff880037a9b598
[ 3.475561] Call Trace:
[ 3.476337] [<ffffffff815f2932>] dump_stack+0x4e/0x7a
[ 3.477146] [<ffffffff8105175d>] warn_slowpath_common+0x7d/0xa0
[ 3.477956] [<ffffffff81485e00>] ? __find_interface+0x40/0x40
[ 3.478710] [<ffffffff810517cc>] warn_slowpath_fmt+0x4c/0x50
[ 3.479489] [<ffffffff815e8a20>] ? klist_next+0x20/0x100
[ 3.480298] [<ffffffff8149fb3b>] link_peers_report+0xfb/0x280
[ 3.481096] [<ffffffff81485e00>] ? __find_interface+0x40/0x40
[ 3.481885] [<ffffffff8149fd53>] match_location+0x93/0xa0
[ 3.482538] [<ffffffff81485e2c>] __each_dev+0x2c/0x30
[ 3.483208] [<ffffffff8141f2ab>] bus_for_each_dev+0x6b/0xb0
[ 3.483936] [<ffffffff81485a3e>] usb_for_each_dev+0x2e/0x30
[ 3.484579] [<ffffffff8149fcc0>] ? link_peers_report+0x280/0x280
[ 3.485244] [<ffffffff814a0007>] usb_hub_create_port_device+0x2a7/0x2b0
[ 3.485908] [<ffffffff8148d51f>] hub_probe+0x79f/0x990
[ 3.486607] [<ffffffff8149609a>] usb_probe_interface+0x1ca/0x2d0
[ 3.487276] [<ffffffff8142110f>] driver_probe_device+0x7f/0x250
[ 3.487942] [<ffffffff814212e0>] ? driver_probe_device+0x250/0x250
[ 3.488585] [<ffffffff8142131b>] __device_attach+0x3b/0x40
[ 3.489288] [<ffffffff8141f373>] bus_for_each_drv+0x63/0xa0
[ 3.489959] [<ffffffff81421040>] device_attach+0x90/0xb0
[ 3.490602] [<ffffffff81420598>] bus_probe_device+0xa8/0xd0
[ 3.491274] [<ffffffff8141e562>] device_add+0x4f2/0x610
[ 3.492014] [<ffffffff8149401d>] usb_set_configuration+0x50d/0x7f0
[ 3.492670] [<ffffffff8149e7ee>] generic_probe+0x2e/0xa0
[ 3.493340] [<ffffffff81495ea9>] usb_probe_device+0x29/0x50
[ 3.494008] [<ffffffff8142110f>] driver_probe_device+0x7f/0x250
[ 3.494700] [<ffffffff814212e0>] ? driver_probe_device+0x250/0x250
[ 3.495372] [<ffffffff8142131b>] __device_attach+0x3b/0x40
[ 3.496039] [<ffffffff8141f373>] bus_for_each_drv+0x63/0xa0
[ 3.496685] [<ffffffff81421040>] device_attach+0x90/0xb0
[ 3.497407] [<ffffffff81420598>] bus_probe_device+0xa8/0xd0
[ 3.498077] [<ffffffff8141e562>] device_add+0x4f2/0x610
[ 3.498722] [<ffffffff8148aa98>] usb_new_device+0x2a8/0x4c0
[ 3.499388] [<ffffffff81497ade>] ? usb_get_bos_descriptor+0xfe/0x260
[ 3.500100] [<ffffffff8148ef13>] usb_add_hcd+0x3e3/0x730
[ 3.500826] [<ffffffffa00b966c>] xhci_pci_probe+0x8c/0x170 [xhci_hcd]
[ 3.501693] [<ffffffff812d0265>] local_pci_probe+0x45/0xa0
[ 3.502356] [<ffffffff812d1425>] ? pci_match_device+0xe5/0x110
[ 3.503055] [<ffffffff812d1561>] pci_device_probe+0xd1/0x130
[ 3.503665] [<ffffffff8142110f>] driver_probe_device+0x7f/0x250
[ 3.504256] [<ffffffff814213b3>] __driver_attach+0x93/0xa0
[ 3.504815] [<ffffffff81421320>] ? __device_attach+0x40/0x40
[ 3.505404] [<ffffffff8141f2ab>] bus_for_each_dev+0x6b/0xb0
[ 3.505957] [<ffffffff81420c3e>] driver_attach+0x1e/0x20
[ 3.506491] [<ffffffff814208a8>] bus_add_driver+0x178/0x230
[ 3.507026] [<ffffffffa00c5000>] ? 0xffffffffa00c4fff
[ 3.507550] [<ffffffff81421bd4>] driver_register+0x64/0xf0
[ 3.508125] [<ffffffff812cfc0d>] __pci_register_driver+0x5d/0x60
[ 3.508625] [<ffffffffa00c52c2>] xhci_register_pci+0x1e/0xd5c [xhci_hcd]
[ 3.509219] [<ffffffffa00c5009>] xhci_hcd_init+0x9/0x14 [xhci_hcd]
[ 3.509754] [<ffffffff810002e0>] do_one_initcall+0xa0/0x1f0
[ 3.510319] [<ffffffff811626ba>] ? __vunmap+0xca/0x110
[ 3.510840] [<ffffffff810d1fee>] load_module+0x1cce/0x2410
[ 3.511347] [<ffffffff810ceae0>] ? symbol_put_addr+0x40/0x40
[ 3.511864] [<ffffffff810d287e>] SyS_finit_module+0x7e/0x80
[ 3.512378] [<ffffffff815fc556>] system_call_fastpath+0x1a/0x1f
[ 3.512917] ---[ end trace 728d26e6b72a1bd3 ]---
[ 3.513422] usb usb2-port4: failed to peer to usb1-port1 (-16)
[ 3.514506] ehci-pci 0000:00:1a.0: EHCI Host Controller
[ 3.515320] ehci-pci 0000:00:1a.0: new USB bus registered, assigned bus number 3
[ 3.516197] ehci-pci 0000:00:1a.0: debug port 2
[ 3.521044] ehci-pci 0000:00:1a.0: cache line size of 64 is not supported
[ 3.522051] ehci-pci 0000:00:1a.0: irq 16, io mem 0xf153a000
[ 3.528944] ehci-pci 0000:00:1a.0: USB 2.0 started, EHCI 1.00
[ 3.530161] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002
[ 3.531627] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.532919] usb usb3: Product: EHCI Host Controller
[ 3.534222] usb usb3: Manufacturer: Linux 3.16.0-rc1+ ehci_hcd
[ 3.535609] usb usb3: SerialNumber: 0000:00:1a.0
[ 3.536977] hub 3-0:1.0: USB hub found
[ 3.537604] hub 3-0:1.0: 3 ports detected
[ 3.538661] ehci-pci 0000:00:1d.0: EHCI Host Controller
[ 3.539227] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 4
[ 3.539808] ehci-pci 0000:00:1d.0: debug port 2
[ 3.544266] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported
[ 3.544833] ehci-pci 0000:00:1d.0: irq 23, io mem 0xf1539000
[ 3.550914] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00
[ 3.551883] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002
[ 3.552701] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.553555] usb usb4: Product: EHCI Host Controller
[ 3.554389] usb usb4: Manufacturer: Linux 3.16.0-rc1+ ehci_hcd
[ 3.555214] usb usb4: SerialNumber: 0000:00:1d.0
[ 3.556596] hub 4-0:1.0: USB hub found
[ 3.557596] hub 4-0:1.0: 3 ports detected
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
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