Red Hat Bugzilla – Bug 574802
System freeze during USB transfers - Intel Ibex Peak USB2
Last modified: 2011-07-05 15:51:21 EDT
Description of problem:
System appears to freeze completely during usb usage. Devices work as expected and then without warning the system is unresponsive locally or via the network.
This seems to occur on all usb ports - ie transferring to/from flash drives as well as viewing the inbuilt webcam.
Version-Release number of selected component (if applicable):
Every time considerable amounts of data are transmitted/received.
Steps to Reproduce:
1. Plug in flash drive
2. Mount partition
3. Begin copying data
Copy to complete without system locking up.
I have tried adding noapic to the kernel options however the problem still seems to persist.
00:1a.0 USB Controller: Intel Corporation Ibex Peak USB2 Enhanced Host Controller (rev 06)
00:1d.0 USB Controller: Intel Corporation Ibex Peak USB2 Enhanced Host Controller (rev 06)
Bus 002 Device 002: ID 8087:0020
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 007: ID 413c:8160 Dell Computer Corp.
Bus 001 Device 006: ID 413c:8162 Dell Computer Corp.
Bus 001 Device 005: ID 413c:8161 Dell Computer Corp.
Bus 001 Device 004: ID 0c45:6417 Microdia
Bus 001 Device 003: ID 0a5c:4500 Broadcom Corp.
Bus 001 Device 002: ID 8087:0020
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Let me know if there is more information or testing required.
I've completed some more testing and it appears as if the noapic option has actually helped a bit - I've only had one freeze with the option added and none since disabling bluetoothd in addition to adding noapic (having bluetooth disabled without the noapic option still causes a freeze).
There are some bluetooth related errors in the dmesg output:
btusb_intr_complete: hci0 urb ffff88010c6497b8 failed to resubmit (1)
btusb_bulk_complete: hci0 urb ffff88010c649188 failed to resubmit (1)
btusb_bulk_complete: hci0 urb ffff88010c648c60 failed to resubmit (1)
btusb_intr_complete: hci0 urb ffff8800b1f599c8 failed to resubmit (1)
btusb_bulk_complete: hci0 urb ffff8800b1f58a50 failed to resubmit (1)
btusb_bulk_complete: hci0 urb ffff8800b1f59ef0 failed to resubmit (1)
Perhaps there is more than one related problem?
Perhaps my previous comment was a bit premature, even with bluetooth disabled I've just had a freeze.
One other interesting thing to note is that if you are listening to music at the point where the system freezes then the last 1 or 2 seconds of audio is repeated indefinitely. I'm still not sure what is causing this loop but any suggestions would be welcome.
I'm seeing this behavior as well on F12. The problem seems to involve any sort of heavy file IO. I get this if a try to copy a large file, regardless of source and destination (NFS, local disk, USB drive).
The speed of the drive and network connection doesn't seem to matter. I see this if I use a wired or wireless connection to NFS for example.
The copy starts fine, after a few seconds then it (once the cache is full?), things fall apart. This also happens if I do something like
dd if=/dev/zero of=big-file bs=1M count=1024
The computer eventually comes back to life once the copy is done (it takes a long time usually).
If I run vmstat during the operation, the number of things it shows in uninterruptible sleep jumps to between 4 and 6 once the machine starts flaking out.
I don't see this if I have it do synchronized IO though:
dd oflag=dsync if=/dev/zero of=big-file bs=1M count=1024
Is there something I can provide to help diagnose this?
I am also seeing this in Fedora 14 (and have also seen it in Ubuntu 10.10, but not Debian Squeeze).
It happens to me with almost any USB device including my external USB sound card (powerwave) and anything that uses the USB Serial driver (for USB to RS-232 adapters).
Happens almost every time and can even get stuck during boot if I have one of these plugged in at the time.
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I am having a similar issue on RHEL-6, up to date with updates.