Kernel panic when kldunload acpi_video

Nathan Lay nslay at comcast.net
Tue Jan 15 16:22:15 PST 2008


Norberto Meijome wrote:
> Hi guys,
> I am not sure if this is acpi related or due to other issues.
>
> running latest FreeBSD (built yesterday from fresh sources :
>
> FreeBSD ayiin.xxx.com.au 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #14: Wed Jan 16 01:38:57 EST 2008     root at ayiin.xxx.com.au:/usr/obj/usr/src/sys/AYIIN  i386
>
> Hardware is Thinkpad z60m , 1.5 GB of RAM. dmesg (non verbose) is @ end of this mail
>
> I had :
>
> Id Refs Address    Size     Name
>  1   30 0xc0400000 63b77c   kernel
>  2    1 0xc0a3c000 84a0     linprocfs.ko
>  3    3 0xc0a45000 28878    linux.ko
>  4    1 0xc0a6e000 10328    if_iwi.ko
>  5    1 0xc0a7f000 155c4    snd_hda.ko
>  6    2 0xc0a95000 4a36c    sound.ko
>  7    2 0xc0ae0000 6a184    acpi.ko
>  8    1 0xc0b4b000 4ff4     acpi_ibm.ko
>  9    1 0xc0b50000 2f338    iwi_ibss.ko
> 10    1 0xc0b80000 2f4b0    iwi_monitor.ko
> 11    1 0xc0bb0000 22c98    radeon.ko
> 12    2 0xc0bd3000 10e98    drm.ko
> 13    1 0xc4b22000 d000     ipfw.ko
> 14    1 0xccd23000 2000     rtc.ko
>
> PLUS acpi_video.ko loaded in /boot/loader.conf.local.
>
> doing a kldunload acpi_video would panic the kernel. Also happened in single user.
>
> I have crash dumps, but unfortunately, i wiped the kernel.debug after starting a full clean rebuild of kernel + world for today's changes.
>
> I don't know whether this problem happened before 7 - i only started loading acpi_video for a few weeks when I realised I couldn't change the brightness on the screen anymore when under X (works ok in a vconsole)
>
> Anyway, I followed the steps in the handbook to get some info about the crash. I've included 2 crashes here, both caused with kldunload acpi_video:
>
> [root at ayiin] [Wed Jan 16 10:08:47 2008]
> /usr/obj/usr/src/sys/AYIINESC[0m^B
> ESCkESC\# ^Gkgdb kernel.debug /var/crash/vmc^Gore.8
> kgdb: kvm_nlist(_stopped_cpus): 
> kgdb: kvm_nlist(_stoppcbs): 
> [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i386-marcel-freebsd".
>
> Unread portion of the kernel message buffer:
>
>
> Fatal trap 12: page fault while in kernel mode
> fault virtual address   = 0x10
> fault code              = supervisor read, page not present
> instruction pointer     = 0x20:0xc0ae1889
> stack pointer           = 0x28:0xf384fb4c
> frame pointer           = 0x28:0xf384fb58
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 2395 (kldunload)
> trap number             = 12
> panic: page fault
> Uptime: 3m30s
> Physical memory: 1526 MB
> Dumping 283 MB: 268 252 236 220 204 188 172 156 140 124 108 92 76 60 44 28 12
>
> #0  doadump () at pcpu.h:195
> 195             __asm __volatile("movl %%fs:0,%0" : "=r" (td));
> (kgdb) list *0xc0ae1889
> No source file for address 0xc0ae1889.
> (kgdb) backtrace
> #0  doadump () at pcpu.h:195
> #1  0xc05f17d3 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
> #2  0xc05f19d4 in panic (fmt=Variable "fmt" is not available.
> ) at /usr/src/sys/kern/kern_shutdown.c:563
> #3  0xc086d8bc in trap_fatal (frame=0xf384fb0c, eva=16)
>     at /usr/src/sys/i386/i386/trap.c:899
> #4  0xc086db2b in trap_pfault (frame=0xf384fb0c, usermode=0, eva=16)
>     at /usr/src/sys/i386/i386/trap.c:812
> #5  0xc086e4f6 in trap (frame=0xf384fb0c) at /usr/src/sys/i386/i386/trap.c:490
> #6  0xc085720b in calltrap () at /usr/src/sys/i386/i386/exception.s:139
> #7  0xc0ae1889 in ?? ()
> Previous frame inner to this frame (corrupt stack?)
> (kgdb) ^M
> [root at ayiin] [Wed Jan 16 10:12:15 2008]
> /usr/obj/usr/src/sys/AYIINESC[0m^B
> ESCkESC\# ESC[Kkgdb kernel.debug /var/crash/vmcore.7
> kgdb: kvm_nlist(_stopped_cpus): 
> kgdb: kvm_nlist(_stoppcbs): 
> [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i386-marcel-freebsd".
>
> Unread portion of the kernel message buffer:
>
>
> Fatal trap 12: page fault while in kernel mode
> fault virtual address   = 0x10
> fault code              = supervisor read, page not present
> instruction pointer     = 0x20:0xc0ae1889
> stack pointer           = 0x28:0xf37b8b4c
> frame pointer           = 0x28:0xf37b8b58
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 23712 (kldunload)
> trap number             = 12
> panic: page fault
> Uptime: 16m49s
> Physical memory: 1526 MB
> Dumping 311 MB: (CTRL-C to abort)  296 280 264 248 232 216 200 184 168 152 136 120 104 88 72 56 40 24 8
>
> #0  doadump () at pcpu.h:195
> 195             __asm __volatile("movl %%fs:0,%0" : "=r" (td));
> (kgdb) bt
> #0  doadump () at pcpu.h:195
> #1  0xc05f17d3 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
> #2  0xc05f19d4 in panic (fmt=Variable "fmt" is not available.
> ) at /usr/src/sys/kern/kern_shutdown.c:563
> #3  0xc086d8bc in trap_fatal (frame=0xf37b8b0c, eva=16)
>     at /usr/src/sys/i386/i386/trap.c:899
> #4  0xc086db2b in trap_pfault (frame=0xf37b8b0c, usermode=0, eva=16)
>     at /usr/src/sys/i386/i386/trap.c:812
> #5  0xc086e4f6 in trap (frame=0xf37b8b0c) at /usr/src/sys/i386/i386/trap.c:490
> #6  0xc085720b in calltrap () at /usr/src/sys/i386/i386/exception.s:139
> #7  0xc0ae1889 in ?? ()
> Previous frame inner to this frame (corrupt stack?)
> (kgdb) list
> 139             call    trap
> 140             add     $4, %esp
> 141             
> 142             /*
> 143              * Return via doreti to handle ASTs.
> 144              */
> 145             MEXITCOUNT
> 146             jmp     doreti
> 147     
> 148     /*
> (kgdb) ^M
>
> Please let me know if you need my ASL and other ACPI related info.
>
> cheers,
> PS : dmesg @ end...
> _________________________
> {Beto|Norberto|Numard} Meijome
>
> Quantum Logic Chicken:
>   The chicken is distributed probabalistically on all sides of the
>   road until you observe it on the side of your course.
>
> I speak for myself, not my employer. Contents may be hot. Slippery when wet. Reading disclaimers makes you go blind. Writing them is worse. You have been Warned.
>
> Copyright (c) 1992-2008 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> 	The Regents of the University of California. All rights reserved.
> FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 7.0-PRERELEASE #14: Wed Jan 16 01:38:57 EST 2008
>     root at ayiin.xxxxx.com.au:/usr/obj/usr/src/sys/AYIIN
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Pentium(R) M processor 2.00GHz (1995.02-MHz 686-class CPU)
>   Origin = "GenuineIntel"  Id = 0x6d8  Stepping = 8
>   Features=0xafe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,TM,PBE>
>   Features2=0x180<EST,TM2>
> real memory  = 1609433088 (1534 MB)
> avail memory = 1567571968 (1494 MB)
> ACPI APIC Table: <IBM    TP-77   >
> ACPI Warning (tbfadt-0505): Optional field "Gpe1Block" has zero address or length:        0    102C/0 [20070320]
> ioapic0: Changing APIC ID to 1
> ioapic0 <Version 2.0> irqs 0-23 on motherboard
> kbd1 at kbdmux0
> acpi0: <IBM TP-77> on motherboard
> acpi0: [ITHREAD]
> acpi_ec0: <Embedded Controller: GPE 0x1c, ECDT> port 0x62,0x66 on acpi0
> acpi0: Power Button (fixed)
> acpi0: reservation of 0, a0000 (3) failed
> acpi0: reservation of 100000, 5ff00000 (3) failed
> Timecounter "ACPI-safe" frequency 3579545 Hz quality 850
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
> cpu0: <ACPI CPU> on acpi0
> est0: <Enhanced SpeedStep Frequency Control> on cpu0
> p4tcc0: <CPU Frequency Thermal Control> on cpu0
> acpi_lid0: <Control Method Lid Switch> on acpi0
> acpi_button0: <Sleep Button> on acpi0
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> pci0: <ACPI PCI bus> on pcib0
> pcib1: <ACPI PCI-PCI bridge> irq 16 at device 1.0 on pci0
> pci1: <ACPI PCI bus> on pcib1
> vgapci0: <VGA-compatible display> port 0x2000-0x20ff mem 0xc8000000-0xcfffffff,0xb0100000-0xb010ffff irq 16 at device 0.0 on pci1
> drm0: <ATI Radeon Mobility X600 M24> on vgapci0
> info: [drm] Initialized radeon 1.25.0 20060524
> pcm0: <Intel 82801F High Definition Audio Controller> mem 0xb0000000-0xb0003fff irq 16 at device 27.0 on pci0
> pcm0: [ITHREAD]
> pcib2: <ACPI PCI-PCI bridge> irq 20 at device 28.0 on pci0
> pci2: <ACPI PCI bus> on pcib2
> bge0: <Broadcom NetXtreme Gigabit Ethernet Controller, ASIC rev. 0x4101> mem 0xb0200000-0xb020ffff irq 16 at device 0.0 on pci2
> miibus0: <MII bus> on bge0
> brgphy0: <BCM5750 10/100/1000baseTX PHY> PHY 1 on miibus0
> brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
> bge0: Ethernet address: 00:16:36:29:e1:36
> bge0: [ITHREAD]
> pcib3: <ACPI PCI-PCI bridge> irq 21 at device 28.1 on pci0
> pci3: <ACPI PCI bus> on pcib3
> pcib4: <ACPI PCI-PCI bridge> irq 22 at device 28.2 on pci0
> pci11: <ACPI PCI bus> on pcib4
> pcib5: <ACPI PCI-PCI bridge> irq 23 at device 28.3 on pci0
> pci19: <ACPI PCI bus> on pcib5
> uhci0: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A> port 0x1800-0x181f irq 16 at device 29.0 on pci0
> uhci0: [GIANT-LOCKED]
> uhci0: [ITHREAD]
> usb0: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A> on uhci0
> usb0: USB revision 1.0
> uhub0: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
> uhub0: 2 ports with 2 removable, self powered
> uhci1: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B> port 0x1820-0x183f irq 17 at device 29.1 on pci0
> uhci1: [GIANT-LOCKED]
> uhci1: [ITHREAD]
> usb1: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B> on uhci1
> usb1: USB revision 1.0
> uhub1: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb1
> uhub1: 2 ports with 2 removable, self powered
> uhci2: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C> port 0x1840-0x185f irq 18 at device 29.2 on pci0
> uhci2: [GIANT-LOCKED]
> uhci2: [ITHREAD]
> usb2: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C> on uhci2
> usb2: USB revision 1.0
> uhub2: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb2
> uhub2: 2 ports with 2 removable, self powered
> uhci3: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D> port 0x1860-0x187f irq 19 at device 29.3 on pci0
> uhci3: [GIANT-LOCKED]
> uhci3: [ITHREAD]
> usb3: <Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D> on uhci3
> usb3: USB revision 1.0
> uhub3: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb3
> uhub3: 2 ports with 2 removable, self powered
> ehci0: <Intel 82801FB (ICH6) USB 2.0 controller> mem 0xb0004000-0xb00043ff irq 19 at device 29.7 on pci0
> ehci0: [GIANT-LOCKED]
> ehci0: [ITHREAD]
> usb4: EHCI version 1.0
> usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
> usb4: <Intel 82801FB (ICH6) USB 2.0 controller> on ehci0
> usb4: USB revision 2.0
> uhub4: <Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb4
> uhub4: 8 ports with 8 removable, self powered
> pcib6: <ACPI PCI-PCI bridge> at device 30.0 on pci0
> pci20: <ACPI PCI bus> on pcib6
> cbb0: <RF5C476 PCI-CardBus Bridge> mem 0xc0000000-0xc0000fff irq 16 at device 0.0 on pci20
> cardbus0: <CardBus bus> on cbb0
> pccard0: <16-bit PCCard bus> on cbb0
> cbb0: [ITHREAD]
> fwohci0: <Ricoh R5C552> mem 0xc0001000-0xc00017ff irq 17 at device 0.1 on pci20
> fwohci0: [FILTER]
> fwohci0: OHCI version 1.10 (ROM=0)
> fwohci0: No. of Isochronous channels is 4.
> fwohci0: EUI64 00:06:1b:00:20:22:73:c2
> fwohci0: Phy 1394a available S400, 2 ports.
> fwohci0: Link S400, max_rec 2048 bytes.
> firewire0: <IEEE1394(FireWire) bus> on fwohci0
> sbp0: <SBP-2/SCSI over FireWire> on firewire0
> dcons_crom0: <dcons configuration ROM> on firewire0
> dcons_crom0: bus_addr 0x1164000
> fwe0: <Ethernet over FireWire> on firewire0
> if_fwe0: Fake Ethernet address: 02:06:1b:22:73:c2
> fwe0: Ethernet address: 02:06:1b:22:73:c2
> fwip0: <IP over FireWire> on firewire0
> fwip0: Firewire address: 00:06:1b:00:20:22:73:c2 @ 0xfffe00000000, S400, maxrec 2048
> fwohci0: Initiate bus reset
> fwohci0: BUS reset
> fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
> pci20: <base peripheral> at device 0.2 (no driver attached)
> pci20: <base peripheral> at device 0.3 (no driver attached)
> iwi0: <Intel(R) PRO/Wireless 2915ABG> mem 0xc0002000-0xc0002fff irq 21 at device 2.0 on pci20
> iwi0: Ethernet address: 00:13:ce:cc:a8:7a
> iwi0: [ITHREAD]
> isab0: <PCI-ISA bridge> at device 31.0 on pci0
> isa0: <ISA bus> on isab0
> atapci0: <Intel ICH6M SATA150 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1880-0x188f at device 31.2 on pci0
> ata0: <ATA channel 0> on atapci0
> ata0: [ITHREAD]
> ata1: <ATA channel 1> on atapci0
> ata1: [ITHREAD]
> pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
> acpi_tz0: <Thermal Zone> on acpi0
> atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> kbd0 at atkbd0
> atkbd0: [GIANT-LOCKED]
> atkbd0: [ITHREAD]
> psm0: <PS/2 Mouse> irq 12 on atkbdc0
> psm0: [GIANT-LOCKED]
> psm0: [ITHREAD]
> psm0: model Generic PS/2 mouse, device ID 0
> sio0: <Generic IRDA-compatible device> port 0x2f8-0x2ff irq 3 drq 3 flags 0x10 on acpi0
> sio0: type 16550A
> sio0: [FILTER]
> battery0: <ACPI Control Method Battery> on acpi0
> acpi_acad0: <AC Adapter> on acpi0
> acpi_ibm0: <IBM ThinkPad ACPI Extras> on acpi0
> cryptosoft0: <software crypto> on motherboard
> pmtimer0 on isa0
> orm0: <ISA Option ROMs> at iomem 0xc0000-0xcffff,0xd1800-0xd27ff,0xdc000-0xdffff,0xe0000-0xeffff pnpid ORM0000 on isa0
> sc0: <System console> at flags 0x100 on isa0
> sc0: VGA <16 virtual consoles, flags=0x300>
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
> ucom0: <vendor 0x067b product 0x2303, class 0/0, rev 1.10/2.02, addr 2> on uhub0
> ums0: <Microsoft Microsoft 3-Button Mouse with IntelliEye(TM), class 0/0, rev 1.10/3.00, addr 2> on uhub1
> ums0: 3 buttons and Z dir.
> ugen0: <STMicroelectronics Biometric Coprocessor, class 0/0, rev 1.00/0.01, addr 2> on uhub2
> Timecounter "TSC" frequency 1995015224 Hz quality 800
> Timecounters tick every 1.250 msec
> Fast IPsec: Initialized Security Association Processing.
> firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
> firewire0: bus manager 0 (me)
> ad0: 95396MB <HTS541010G9SA00 MBZIC60H> at ata0-master SATA150
> acd0: DVDR <MATSHITADVD-RAM UJ-830Sx/1.00> at ata1-master UDMA33
> pcm0: <HDA Codec: Analog Devices AD1981HD>
> pcm0: <HDA Driver Revision: 20071129_0050>
> acd0: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00 
> cd0 at ata1 bus 0 target 0 lun 0
> cd0: <MATSHITA DVD-RAM UJ-830Sx 1.00> Removable CD-ROM SCSI-0 device 
> cd0: 33.000MB/s transfers
> cd0: Attempt to query device size failed: NOT READY, Medium not present
> Trying to mount root from ufs:/dev/ad0s1a
> Loading configuration files.
> kernel dumps on /dev/ad0s1g
> Entropy harvesting:
>  interrupts
>  ethernet
>  point_to_point
>  kickstart
> .
> swapon: adding /dev/ad0s1b as swap device
> Starting file system checks:
> /dev/ad0s1a: FILE SYSTEM CLEAN; SKIPPING CHECKS
> /dev/ad0s1a: clean, 333052 free (1716 frags, 41417 blocks, 0.3% fragmentation)
> /dev/ad0s1e: FILE SYSTEM CLEAN; SKIPPING CHECKS
> /dev/ad0s1e: clean, 113639 free (135 frags, 14188 blocks, 0.0% fragmentation)
> /dev/ad0s1f: FILE SYSTEM CLEAN; SKIPPING CHECKS
> /dev/ad0s1f: clean, 11008500 free (180964 frags, 1353442 blocks, 0.4% fragmentation)
> /dev/ad0s1d: FILE SYSTEM CLEAN; SKIPPING CHECKS
> /dev/ad0s1d: clean, 1056584 free (4576 frags, 131501 blocks, 0.3% fragmentation)
> Setting hostuuid: f1361401-4750-11cb-9867-96e843b1afff.
> Setting hostid: 0x71df97f3.
> Mounting local file systems:
> .
> Setting hostname: ayiin.xxxx.com.au.
> net.inet6.ip6.auto_linklocal: 
> 1
>  -> 
> 0
>
> kern.ps_arg_cache_limit: 
> 256
>  -> 
> 10000
>
> hw.acpi.reset_video: 
> 0
>  -> 
> 1
>
> net.link.tap.user_open: 
> 0
>  -> 
> 1
>
> net.inet.ip.forwarding: 
> 0
>  -> 
> 1
>
> kern.ipc.shmmax: 
> 33554432
>  -> 
> 67108864
>
> kern.ipc.shmall: 
> 8192
>  -> 
> 32768
>
> dev.acpi_ibm.0.events: 
> 0
>  -> 
> 1
>
> dev.pcm.0.play.vchans: 
> 1
>  -> 
> 10
>
> dev.pcm.0.rec.vchans: 
> 1
>  -> 
> 6
>
> dev.pcm.0.polling: 
> 0
>  -> 
> 1
>
> debug.cpufreq.lowest: 
> 0
>  -> 
> 932
>
> hw.pci.do_power_nodriver: 
> 0
>  -> 
> 3
>
> hw.acpi.cpu.cx_lowest: 
> C1
>  -> 
> C3
>
> hw.acpi.thermal.user_override: 
> 0
>  -> 
> 1
>
> hw.acpi.thermal.polling_rate: 
> 10
>  -> 
> 3
>
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
> 	inet6 fe80::1%lo0 prefixlen 64 scopeid 0x5 
> 	inet6 ::1 prefixlen 128 
> 	inet 127.0.0.1 netmask 0xff000000 
> Additional routing options:
>  ignore ICMP redirect=YES
>  log ICMP redirect=YES
>  IP gateway=YES
> .
> Starting devd.
> Starting ums0 moused:
> .
> ipfw2 (+ipv6) initialized, divert loadable, rule-based forwarding disabled, default to deny, logging disabled
> Flushed all rules.
> ...
> _______________________________________________
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>
>   
This happens to me as well on a Thinkpad T43...both on 6.2 and 7.0-RC1.

Best Regards,
Nathan Lay


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