kern/126396: kernel panic after unplug USB Bluetooth device

[Андрей Фесенко]

The following reply was made to PR kern/126396; it has been noted by GNATS.

From: "=?UTF-8?B?0JDQvdC00YDQtdC5INCk0LXRgdC10L3QutC+?=" <f0andrey at gmail.com>
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: kern/126396: kernel panic after unplug USB Bluetooth device
Date: Sun, 10 Aug 2008 23:07:29 +0400

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 FreeBSD test.local 8.0-CURRENT FreeBSD 8.0-CURRENT #1: Sun Aug 10 01:50:24
 MSD 2008     andrey at test.local:/usr/obj/usr/src/sys/MY  amd64
 
 after
 ubt0: ached
 
 ubt0: <vendor 0x0a12 BT2.0, class 224/1, rev 2.00/31.64, addr 2> on uhub0
 ubt0: Interface 0 endpoints: interrupt=0x81, bulk-in=0x82, bulk-out=0x2
 ubt0: Interface 1 (alt.config 5) endpoints: isoc-in=0x83, isoc-out=0x3;
 wMaxPacketSize=49; nframes=10, buffer size=490
 WARNING: attempt to net_add_domain(bluetooth) after domainfinalize()
 hardware_error:  - hardware error 0x37
 
 after
 ubt0: detached
 
 Fatal trap 9: general protection fault while in kernel mode
 cpuid = 1; apic id = 01
 instruction pointer = 0x8: 0xffffffff8026c02b
 stack pointer = 0x10: 0xfffffffe40171b20
 frame pointer = 0x10: 0xfffffffe40171b60
 code segment = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
 processor eflags = interrupt enabled, resume, IOPL = 0
 current process = 12 (irq23: ohci0 ohci0)
 [thread pid12 tid 100029]
 Stopped at  uhci_transfer_complete+0x31:   movsbl  0x2(%rax),%r14d
 db>
 
 or
 
 [thread pid12 tid 100029]
 Stopped at  uhci_transfer_complete+0x31:   movsbl  0x2(%rax),%r14d
 db> bt
 Tracing pid 12 tid 100029 td 0xffffff00014d0000
 uhci_transfer_complete() at uhci_transfer_complete+0x31
 uhci_softintr() at uhci_softintr+0xd8
 uhci_intr1() at uhci_intr1+0xdf
 ithread_loop() at ithread_loop+0xda
 fork_exit() at fork_exit+0x12a
 fork_trampoline() at fork_trampoline+0xe
 --- trap 0, rip=0. rsp = 0xfffffffe40171d30, rbp = 0 ---
 
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 <div dir="ltr">FreeBSD test.local 8.0-CURRENT FreeBSD 8.0-CURRENT #1: Sun Aug 10 01:50:24 MSD 2008&nbsp;&nbsp;&nbsp;&nbsp; andrey at test.local:/usr/obj/usr/src/sys/MY&nbsp; amd64<br><br>after<br>ubt0: ached<br><br><code>ubt0: &lt;vendor 0x0a12 BT2.0, class 224/1, rev 2.00/31.64, addr 2&gt; on uhub0<br>
 ubt0: Interface 0 endpoints: interrupt=0x81, bulk-in=0x82, bulk-out=0x2<br>ubt0: Interface 1 (alt.config 5) endpoints: isoc-in=0x83, isoc-out=0x3; wMaxPacketSize=49; nframes=10, buffer size=490<br>WARNING: attempt to net_add_domain(bluetooth) after domainfinalize()<br>
 hardware_error:&nbsp; - hardware error 0x37</code><br><br>after<br>ubt0: detached<br><br><code>Fatal trap 9: general protection fault while in kernel mode<br>cpuid = 1; apic id = 01<br>instruction pointer = 0x8: 0xffffffff8026c02b<br>
 stack pointer = 0x10: 0xfffffffe40171b20<br>frame pointer = 0x10: 0xfffffffe40171b60<br>code segment = base 0x0, limit 0xfffff, type 0x1b<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= DPL 0, pres 1, long 1, def32 0, gran 1<br>processor eflags = interrupt enabled, resume, IOPL = 0<br>
 current process = 12 (irq23: ohci0 ohci0)<br>[thread pid12 tid 100029]<br>Stopped at&nbsp; uhci_transfer_complete+0x31:&nbsp; &nbsp;movsbl&nbsp; 0x2(%rax),%r14d<br>db&gt;<br><br>or<br><br></code><code>[thread pid12 tid 100029]<br>Stopped at&nbsp; uhci_transfer_complete+0x31:&nbsp; &nbsp;movsbl&nbsp; 0x2(%rax),%r14d<br>
 db&gt; bt<br></code><code>Tracing pid 12 tid 100029 td 0xffffff00014d0000<br>uhci_transfer_complete() at uhci_transfer_complete+0x31<br>uhci_softintr() at uhci_softintr+0xd8<br>uhci_intr1() at uhci_intr1+0xdf<br>ithread_loop() at ithread_loop+0xda<br>
 fork_exit() at fork_exit+0x12a<br>fork_trampoline() at fork_trampoline+0xe<br>--- trap 0, rip=0. rsp = 0xfffffffe40171d30, rbp = 0 ---<br><br><br></code></div>
 
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