cvs commit: src/sys/dev/usb ehci.c ehci_pci.c ehcivar.h

[Juergen Lock]

On Sun, Jan 29, 2006 at 06:08:49PM +0000, Ian Dowse wrote:
> In message <20060127003118.GA17649 at saturn.kn-bremen.de>, Juergen Lock writes:
> >
> >Here is what I use on RELENG_5_4:
> 
> Thanks - that's merged into RELENG_5 now. [...]

Hmm.  Now I just got the following panic with it, pipe->queue.stqh_first
shouldn't be NULL right?  (Maybe it already got a new command for the
same umass device while there still is an ehci_intrlist_timeout pending
for the last command and so the new one interferes?)

bash 10.3# kgdb kernel.debug /var/crash/vmcore.10
[GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
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This GDB was configured as "i386-marcel-freebsd".
#0  doadump () at pcpu.h:159
159		__asm __volatile("movl %%fs:0,%0" : "=r" (td));
(kgdb) bt
#0  doadump () at pcpu.h:159
#1  0xc05e27aa in boot (howto=260)
    at /usr/home/nox/src54/usr/src/sys/kern/kern_shutdown.c:410
#2  0xc05e2a70 in panic (fmt=0xc07b08f4 "%s")
    at /usr/home/nox/src54/usr/src/sys/kern/kern_shutdown.c:566
#3  0xc0771cac in trap_fatal (frame=0xd420cbfc, eva=76)
    at /usr/home/nox/src54/usr/src/sys/i386/i386/trap.c:817
#4  0xc0771a07 in trap_pfault (frame=0xd420cbfc, usermode=0, eva=76)
    at /usr/home/nox/src54/usr/src/sys/i386/i386/trap.c:735
#5  0xc0771605 in trap (frame=
      {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = 0, tf_esi = -1030067328, tf_ebp = -736048040, tf_isp = -736048088, tf_ebx = -1045761280, tf_edx = 0, tf_ecx = 0, tf_eax = 0, tf_trapno = 12, tf_err = 0, tf_eip = -1067954307, tf_cs = 8, tf_eflags = 66118, tf_esp = 0, tf_ss = 0})
    at /usr/home/nox/src54/usr/src/sys/i386/i386/trap.c:425
#6  0xc076411a in calltrap ()
    at /usr/home/nox/src54/usr/src/sys/i386/i386/exception.s:140
#7  0x00000018 in ?? ()
#8  0x00000010 in ?? ()
#9  0x00000010 in ?? ()
#10 0x00000000 in ?? ()
#11 0xc29a6b80 in ?? ()
#12 0xd420cc58 in ?? ()
---Type <return> to continue, or q <return> to quit---
#13 0xd420cc28 in ?? ()
#14 0xc1aaf300 in ?? ()
#15 0x00000000 in ?? ()
#16 0x00000000 in ?? ()
#17 0x00000000 in ?? ()
#18 0x0000000c in ?? ()
#19 0x00000000 in ?? ()
#20 0xc0584f7d in usb_transfer_complete (xfer=0xc1aaf300)
    at /usr/home/nox/src54/usr/src/sys/dev/usb/usbdi.c:833
#21 0xc056d9b0 in ehci_idone (ex=0xc1aaf300)
    at /usr/home/nox/src54/usr/src/sys/dev/usb/ehci.c:877
#22 0xc056d887 in ehci_check_intr (sc=0xc1a3f800, ex=0xc1aaf300)
    at /usr/home/nox/src54/usr/src/sys/dev/usb/ehci.c:762
#23 0xc056d7bd in ehci_softintr (v=0xc1a3f800)
    at /usr/home/nox/src54/usr/src/sys/dev/usb/ehci.c:696
#24 0xc0582281 in usb_schedsoftintr (bus=0x0)
    at /usr/home/nox/src54/usr/src/sys/dev/usb/usb.c:870
#25 0xc056f833 in ehci_intrlist_timeout (arg=0xc1a3f800)
    at /usr/home/nox/src54/usr/src/sys/dev/usb/ehci.c:2731
#26 0xc05ee626 in softclock (dummy=0x0)
    at /usr/home/nox/src54/usr/src/sys/kern/kern_timeout.c:279
#27 0xc05ceac5 in ithread_loop (arg=0xc197d500)
    at /usr/home/nox/src54/usr/src/sys/kern/kern_intr.c:547
---Type <return> to continue, or q <return> to quit---
#28 0xc05cdd58 in fork_exit (callout=0xc05ce974 <ithread_loop>, 
    arg=0xc197d500, frame=0xd420cd48)
    at /usr/home/nox/src54/usr/src/sys/kern/kern_fork.c:791
#29 0xc076417c in fork_trampoline ()
    at /usr/home/nox/src54/usr/src/sys/i386/i386/exception.s:209
(kgdb) fr 20
#20 0xc0584f7d in usb_transfer_complete (xfer=0xc1aaf300)
    at /usr/home/nox/src54/usr/src/sys/dev/usb/usbdi.c:833
833			SIMPLEQ_REMOVE_HEAD(&pipe->queue, next);
(kgdb) p *pipe
$1 = {iface = 0xc2e126a0, device = 0xc2881680, endpoint = 0xc2c8a940, 
  refcnt = 1, running = 1 '\001', aborting = 0 '\0', queue = {
    stqh_first = 0x0, stqh_last = 0xc29a6b94}, next = {le_next = 0x0, 
    le_prev = 0xc262381c}, intrxfer = 0x0, repeat = 0 '\0', interval = -1, 
  methods = 0xc081d4bc}
(kgdb) p *pipe->queue.stqh_last
$2 = (struct usbd_xfer *) 0x0
(kgdb) q