[Bug 15795] New: Freeze during boot if usb mouse unplugged

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=15795

           Summary: Freeze during boot if usb mouse unplugged
           Product: xorg
           Version: 7.3
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: bryce at bryceharrington.org
         QAContact: xorg-team at lists.x.org


I'm forwarding a Ubuntu bug report:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/220345

Original Report:
"Ever since I updated from gutsy to hardy, my Laptop freezes whenever I boot
the system with kernel 2.6.24-16-generic and start an X session (kdm + kde)
using the radeon open source driver. Most of the time I can still move the
mouse pointer, but the rest of the system is not responding and I can't even
switch to a tty. Other times the whole screen gets messed up and scrambled and
even the mouse isn't responding any more. What's weird is, that I don't get
that freeze if I boot the system with a mouse plugged into one of the Laptops
USB ports. As long as I keep the mouse plugged, the system runs smooth, but as
soon as I unplug the mouse, the system freezes. I worked around that bug by
using the vesa driver for now.

"My system:
Acer TravelMate 4002LMi with Mobility Radeon 9700 (64 MB RAM)"

Xorg.0.log:  http://launchpadlibrarian.net/14080995/Xorg.0.log
dmesg:       http://launchpadlibrarian.net/14081011/dmesg.txt

Here's a backtrace where it's stuck in RADEONWaitForIdleCP doing PolyPoint
operations.

(gdb) backtrace full
#0  0xb7efe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb7d4ce99 in ioctl () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2  0xb7b62b42 in drmCommandNone () from /usr/lib/libdrm.so.2
No symbol table info available.
#3  0xb7a74ca6 in RADEONWaitForIdleCP ()
   from /usr/lib/xorg/modules/drivers//radeon_drv.so
No symbol table info available.
#4  0xb786babb in XAAPolyPointFallback (pDraw=0x8913758, pGC=0x85d64e8,
    mode=0, npt=1, pptInit=0x8ae87c8)
    at ../../../../hw/xfree86/xaa/xaaFallback.c:123
        infoRec = (XAAInfoRecPtr) 0x8260520
        oldFuncs = (GCFuncs *) 0xb78ae800
#5  0xb78abda9 in cwPolyPoint (pDst=0x8913758, pGC=0x85d64e8, mode=0, npt=1,
    ppt=0x8ae87c8) at ../../../miext/cw/cw_ops.c:253
        pGCPrivate = (cwGCPtr) 0x85d6594
        dst_off_x = 0
        dst_off_y = 0
        pBackingDst = (DrawablePtr) 0x8913758
        pBackingGC = (GCPtr) 0x85d64e8
#6  0x08171fb6 in damagePolyPoint (pDrawable=0x8913758, pGC=0x85d64e8, mode=0,
    npt=1, ppt=0x8ae87c8) at ../../../miext/damage/damage.c:923
        pGCPriv = (DamageGCPrivPtr) 0x85d65a8
        oldFuncs = (GCFuncs *) 0x81e4660
#7  0x0808aa9a in ProcPolyPoint (client=0x84694b0) at ../../dix/dispatch.c:1883
        pGC = (GC *) 0x85d64e8
        pDraw = (DrawablePtr) 0x8913758
#8  0x0815075e in XaceCatchDispatchProc (client=0x84694b0)
    at ../../Xext/xace.c:281
        major = 64
#9  0x0808d8df in Dispatch () at ../../dix/dispatch.c:502
        result = <value optimized out>
        client = (ClientPtr) 0x84694b0
        nready = 0
        start_tick = 16780
#10 0x0807471b in main (argc=8, argv=0xbfa1f684, envp=Cannot access memory at
address 0x644c
) at ../../dix/main.c:452
        i = 1
        error = 136163204
        xauthfile = <value optimized out>
        alwaysCheckForInput = {0, 1}
(gdb)


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