[Bug 1072278] Re: lsusb hangs forever
this does not look good. [ 983.014897] usb 2-2: new high-speed USB device number 79 using xhci_hcd [ 988.719212] usb 2-2: new high-speed USB device number 81 using xhci_hcd [ 994.047456] usb 2-2: new high-speed USB device number 82 using xhci_hcd [ 999.343739] usb 2-2: new high-speed USB device number 83 using xhci_hcd [ 1005.088013] usb 2-2: new high-speed USB device number 86 using xhci_hcd [ 1010.384266] usb 2-2: new high-speed USB device number 87 using xhci_hcd [ 1015.684524] usb 2-2: new high-speed USB device number 88 using xhci_hcd [ 1020.980840] usb 2-2: new high-speed USB device number 89 using xhci_hcd [ 1021.110713] usb 2-2: New USB device found, idVendor=04e8, idProduct=6860 [ 1021.110716] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1021.110718] usb 2-2: Product: SAMSUNG_Android [ 1021.110719] usb 2-2: Manufacturer: SAMSUNG [ 1021.110720] usb 2-2: SerialNumber: 290fc46c [ 1021.644871] cdc_acm 2-2:1.1: ttyACM0: USB ACM device [ 1021.645785] usbcore: registered new interface driver cdc_acm [ 1021.645788] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 1024.306555] usb 2-2: USB disconnect, device number 89 [ 1024.306806] cdc_acm 2-2:1.1: failed to set dtr/rts [ 1024.580980] usb 2-2: new high-speed USB device number 90 using xhci_hcd [ 1024.710038] usb 2-2: New USB device found, idVendor=04e8, idProduct=6860 [ 1024.710041] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1024.710043] usb 2-2: Product: SAMSUNG_Android [ 1024.710044] usb 2-2: Manufacturer: SAMSUNG [ 1024.710045] usb 2-2: SerialNumber: 290fc46c [ 1024.711491] cdc_acm 2-2:1.1: ttyACM0: USB ACM device [ 1025.133224] usb 2-2: USB disconnect, device number 90 [ 1025.621029] usb 2-2: new high-speed USB device number 92 using xhci_hcd [ 1025.949086] usb 2-2: new high-speed USB device number 93 using xhci_hcd [ 1031.245312] usb 2-2: new high-speed USB device number 94 using xhci_hcd [ 1031.374588] usb 2-2: New USB device found, idVendor=04e8, idProduct=6860 [ 1031.374591] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1031.374592] usb 2-2: Product: SAMSUNG_Android [ 1031.374593] usb 2-2: Manufacturer: SAMSUNG [ 1031.374594] usb 2-2: SerialNumber: 290fc46c [ 1031.375471] cdc_acm 2-2:1.1: ttyACM0: USB ACM device [ 1245.592672] usb 2-2: USB disconnect, device number 94 [ 1245.866958] usb 2-2: new high-speed USB device number 95 using xhci_hcd [ 1251.163122] usb 2-2: new high-speed USB device number 96 using xhci_hcd [ 1256.459429] usb 2-2: new high-speed USB device number 97 using xhci_hcd can it be auto suspend on the USB port? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1072278 Title: lsusb hangs forever To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usbutils/+bug/1072278/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1072278] Re: lsusb hangs forever
The bug is still there in Ubuntu 16.04
strace lsusb
read(6, "MAJOR=189\nMINOR=128\nDEVNAME=bus/"..., 4096) = 126
read(6, "", 4096) = 0
read(6, "", 4096) = 0
close(6)= 0
getrandom("\210\215\f\212\365Aik\207\204b\t\25v?\330", 16, GRND_NONBLOCK) = 16
getrandom("\206<>\362?\3478W\266\251\370:9\0063\30", 16, GRND_NONBLOCK) = 16
open("/sys/bus/usb/devices/usb2/busnum", O_RDONLY) = 6
fstat(6, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
read(6, "2\n", 4096)= 2
close(6)= 0
open("/sys/bus/usb/devices/usb2/devnum", O_RDONLY) = 6
fstat(6, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
read(6, "1\n", 4096)= 2
close(6)= 0
open("/sys/bus/usb/devices/usb2/speed", O_RDONLY) = 6
fstat(6, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
read(6, "480\n", 4096) = 4
close(6)= 0
open("/sys/bus/usb/devices/usb2/descriptors", O_RDONLY) = 6
read(6,
but it does not get stuck forever, just a looong time. ~1 minute.
sometimes i get a "unable to mount Android" error notification window after
several minutes. sometimes nothing. when lsusb is done after ~1 minute i wont
see my phone listed.
Have tried several times on both ports on my laptop.
hmm. while writing this post, my phone suddenly mounted and showed up in
lsusb.. hmm magic?
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lsusb hangs forever
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[Bug 1072278] Re: lsusb hangs forever
the bug is still there, it happens to me when plugging a samsung s2 phone to the usb in download mode... it freezes till i remove the wire and then it finish the lsusb command, i saw the same bug at ubuntu 15.10 http://ubuntuforums.org/showthread.php?t=2301619 Even if there is a usb faulty thing, it should not freeze, but my phone is not fwaulty. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1072278 Title: lsusb hangs forever To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usbutils/+bug/1072278/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1072278] Re: lsusb hangs forever
Sorry for reviving an old bug report. I have bumped into the same problem. Before I reboot, and loose the posibility to run traces, I would like to attach them to help debug this. ** Attachment added: strace of lsusb when freezing and dmesg output https://bugs.launchpad.net/ubuntu/+source/usbutils/+bug/1072278/+attachment/4308892/+files/khubd-crash.tar.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1072278 Title: lsusb hangs forever To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usbutils/+bug/1072278/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1072278] Re: lsusb hangs forever
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: usbutils (Ubuntu) Status: New = Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1072278 Title: lsusb hangs forever To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usbutils/+bug/1072278/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1072278] Re: lsusb hangs forever
Found this patch discussion: https://patchwork.kernel.org/patch/1251681/ which looks relevant for this issue, I think. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1072278 Title: lsusb hangs forever To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usbutils/+bug/1072278/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1072278] Re: lsusb hangs forever
** Attachment added: lsusb_hang.tar https://bugs.launchpad.net/ubuntu/+source/usbutils/+bug/1072278/+attachment/3416146/+files/lsusb_hang.tar -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1072278 Title: lsusb hangs forever To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usbutils/+bug/1072278/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
