[Bug 208605] Kernel panic when unplug and replug USB WiFi dongle.

2016-04-27 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208605

Johannes Lundberg  changed:

   What|Removed |Added

 Status|New |Closed
 Resolution|--- |FIXED

--- Comment #4 from Johannes Lundberg  ---
Seems to been fixed. No more crashes now. Thank you!

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[Bug 208605] Kernel panic when unplug and replug USB WiFi dongle.

2016-04-19 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208605

--- Comment #3 from commit-h...@freebsd.org ---
A commit references this bug:

Author: avos
Date: Tue Apr 19 20:19:22 UTC 2016
New revision: 298293
URL: https://svnweb.freebsd.org/changeset/base/298293

Log:
  net80211: do not reschedule scan_curchan_task() if the scan was canceled.

  This should fix possible use-after-free in the scheduled task.

  PR:   208605

Changes:
  head/sys/net80211/ieee80211_scan_sw.c

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[Bug 208605] Kernel panic when unplug and replug USB WiFi dongle.

2016-04-14 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208605

--- Comment #2 from Adrian Chadd  ---
The real problem(tm) is that we don't have a nice framework for handling device
lifecycle when it comes to unplug events like this.

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[Bug 208605] Kernel panic when unplug and replug USB WiFi dongle.

2016-04-13 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208605

--- Comment #1 from Hans Petter Selasky  ---
Adrian - can you have a look at this?

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[Bug 208605] Kernel panic when unplug and replug USB WiFi dongle.

2016-04-07 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208605

Bug ID: 208605
   Summary: Kernel panic when unplug and replug USB WiFi dongle.
   Product: Base System
   Version: 11.0-CURRENT
  Hardware: amd64
OS: Any
Status: New
  Severity: Affects Some People
  Priority: ---
 Component: wireless
  Assignee: freebsd-wireless@FreeBSD.org
  Reporter: johan...@brilliantservice.co.jp
CC: freebsd-am...@freebsd.org
CC: freebsd-am...@freebsd.org

Dongle: EDIMAX EW-7811UN
Chipset: RTL8188CUS

Backtrace (sorry GENERIC-NODEBUG build):

(kgdb) bt
#0  doadump (textdump=1) at pcpu.h:221
#1  0x80aa8c03 in kern_reboot (howto=260) at
/usr/home/mirama/dev/freebsd/sys/kern/kern_shutdown.c:364
#2  0x80aa916b in vpanic (fmt=, ap=) at /usr/home/mirama/dev/freebsd/sys/kern/kern_shutdown.c:757
#3  0x80aa8fa3 in panic (fmt=0x0) at
/usr/home/mirama/dev/freebsd/sys/kern/kern_shutdown.c:688
#4  0x80f445d1 in trap_fatal (frame=0xfe011a0648b0, eva=48) at
/usr/home/mirama/dev/freebsd/sys/amd64/amd64/trap.c:841
#5  0x80f447c3 in trap_pfault (frame=0xfe011a0648b0, usermode=0) at
/usr/home/mirama/dev/freebsd/sys/amd64/amd64/trap.c:691
#6  0x80f43d6c in trap (frame=0xfe011a0648b0) at
/usr/home/mirama/dev/freebsd/sys/amd64/amd64/trap.c:442
#7  0x80f27557 in calltrap () at
/usr/home/mirama/dev/freebsd/sys/amd64/amd64/exception.S:234
#8  0x80bfb4ec in scan_curchan_task (arg=,
pending=)
at /usr/home/mirama/dev/freebsd/sys/net80211/ieee80211_scan_sw.c:808
#9  0x80b003fb in taskqueue_run_locked (queue=) at
/usr/home/mirama/dev/freebsd/sys/kern/subr_taskqueue.c:430
#10 0x80b01238 in taskqueue_thread_loop (arg=) at
/usr/home/mirama/dev/freebsd/sys/kern/subr_taskqueue.c:683
#11 0x80a63cac in fork_exit (callout=0x80b01160
, arg=0xfe0001ea40e0, frame=0xfe011a064ac0)
at /usr/home/mirama/dev/freebsd/sys/kern/kern_fork.c:1034
#12 0x80f27a8e in fork_trampoline () at
/usr/home/mirama/dev/freebsd/sys/amd64/amd64/exception.S:609
#13 0x in ?? ()

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