On Tue, Mar 08, 2016 at 08:15:04AM -0800, Allen Ashley wrote:
> This is from ver-linux:
> If some fields are empty or look unusual you may have an old version.
> Compare to the current minimal requirements in Documentation/Changes.
>
> Linux torr 4.4.2-smp #1 SMP Tue Feb 23 12:20:39 PST 2016 i686 Intel(R)
> Core(TM)2 Quad CPU @ 2.66GHz GenuineIntel GNU/Linux
>
> GNU C 4.8.2
> GNU Make 3.82
> Binutils 2.23.52.0.1.20130226
> Util-linux 2.21.2
> Mount 2.21.2
> Module-init-tools 15
> E2fsprogs 1.42.8
> Jfsutils 1.1.15
> Reiserfsprogs 3.6.23
> Xfsprogs 3.1.11
> Pcmciautils 017
> Quota-tools 3.17
> PPP 2.4.5
> Linux C Library 2.17
> Dynamic linker (ldd) 2.17
> Linux C++ Library 6.0.18
> Procps 3.2.8
> Net-tools 1.60
> Kbd 1.15.3
> Console-tools 1.15.3
> oprofile 0.9.7
> Sh-utils 8.21
> Udev 182
> Wireless-tools 29
> Modules Loaded 8250_fintek acpi_cpufreq agpgart button
> coretemp drm ehci_hcd ehci_pci enclosure evdev firewire_core firewire_ohci
> fjes forcedeth hid hid_generic hid_ortek hwmon i2c_core i2c_dev i2c_nforce2
> ip_tables iptable_filter ipv6 irqbypass joydev kvm kvm_intel lp nf_conntrack
> nf_conntrack_ipv4 nf_defrag_ipv4 nv_tco nvidia nvidia_modeset ohci_hcd
> ohci_pci parport parport_pc pcspkr ppdev processor psmouse serio_raw ses sg
> shpchp sky2 snd snd_hda_codec snd_hda_codec_generic snd_hda_codec_hdmi
> snd_hda_codec_realtek snd_hda_core snd_hda_intel snd_hwdep snd_pcm snd_timer
> soundcore st tpm tpm_tis uas usb_storage usbhid x_tables xhci_hcd xhci_pci
> xt_conntrack xt_tcpudp
>
>
> This is from dmesg:
>
>
>
> [75437.219739] usb 4-3: new SuperSpeed USB device number 7 using xhci_hcd
> [75437.236285] usb 4-3: New USB device found, idVendor=0bc2, idProduct=ab34
> [75437.236289] usb 4-3: New USB device strings: Mfr=2, Product=3,
> SerialNumber=1
> [75437.236293] usb 4-3: Product: Backup+ Desk
> [75437.236296] usb 4-3: Manufacturer: Seagate
> [75437.236299] usb 4-3: SerialNumber: NA7ER274
> [75437.243185] scsi host13: uas
> [75437.243196] kworker/0:0: page allocation failure: order:6, mode:0x208c020
> [75437.243201] CPU: 0 PID: 14356 Comm: kworker/0:0 Tainted: P O
> 4.4.2-smp #1
> [75437.243204] Hardware name: EVGA 122-CK-NF68/122-CK-NF68, BIOS 6.00 PG
> 09/04/2008
> [75437.243210] Workqueue: usb_hub_wq hub_event
> [75437.243214] 00000000 00000000 d69a5990 c15ffbd1 00000000 d69a59b8
> c1118250 c1a9ea78
> [75437.243222] eff7220c 00000006 0208c020 00000040 f79fce18 00000030
> f79fce18 d69a5a74
> [75437.243229] c111af96 0208c020 00000006 00000000 00000020 eff71f00
> eff71f00 02000000
A patch was just sent to this list, with the subject:
Subject: [PATCH] uas: Reduce can_queue to MAX_CMNDS
Can you try that out and see if it solves your problem?
thanks,
greg k-h
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