reproduceable panic on suspend

[Bryan Venteicher]

----- Original Message -----
> From: "Lars Engels" <lars.engels at 0x20.net>
> To: acpi at freebsd.org
> Sent: Monday, September 6, 2010 9:55:34 AM
> Subject: reproduceable panic on suspend
> Hi all,
> 
> I am playing around with my Lenovo Thinkpad X301 and can reproduce a
> kernel panic when I enter suspend state.
> System is 8.1-RELEASE amd64.
> 
> Here's the beginning of crashinfo's output, it's full size is >300kb,
> so please ask me if you want the whole file.
> 
> NB011868 dumped core - see ./vmcore.0
> 
> Mo 6 Sep 2010 16:41:16 CEST
> 
> NB011868
> 
> panic: page fault
> 
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> This GDB was configured as "amd64-marcel-freebsd"...
> 
> Unread portion of the kernel message buffer:
> 
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address = 0x0
> fault code = supervisor read data, page not present
> instruction pointer = 0x20:0xffffffff808170d6
> stack pointer = 0x28:0xffffff803d104690
> frame pointer = 0x28:0xffffff803d104720
> 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 = 3363 (acpiconf)
> trap number = 12
> panic: page fault
> cpuid = 0
> Uptime: 4m28s
> Physical memory: 1974 MB
> Dumping 1300 MB: 1285 1269 1253 1237 1221 1205 1189 1173 1157 1141
> 1125 1109
> 1093 1077 1061 1045 1029 1013 997 981 965 949 933 917 901 885 869 853
> 837 821
> 805 789 773 757 741 725 709 693 677 661 645 629 613 597 581 565 549
> 533 517 501
> 485 469 453 437 421 405 389 373 357 341 325 309 293 277 261 245 229
> 213 197 181
> 165 149 133 117 101 85 69 53 37 21 5
> 
> [...]
> 
> #0 doadump () at pcpu.h:223
> 223 pcpu.h: No such file or directory.
> in pcpu.h
> (kgdb) #0 doadump () at pcpu.h:223
> #1 0xffffffff805331d9 in boot (howto=260)
> at /usr/src/sys/kern/kern_shutdown.c:416
> #2 0xffffffff8053360c in panic (fmt=0xffffffff808efa94 "%s")
> at /usr/src/sys/kern/kern_shutdown.c:590
> #3 0xffffffff80818d88 in trap_fatal (frame=0xffffff000fa09000,
> eva=Variable "eva" is not available.
> )
> at /usr/src/sys/amd64/amd64/trap.c:777
> #4 0xffffffff80819154 in trap_pfault (frame=0xffffff803d1045e0,
> usermode=0)
> at /usr/src/sys/amd64/amd64/trap.c:693
> #5 0xffffffff8081999a in trap (frame=0xffffff803d1045e0)
> at /usr/src/sys/amd64/amd64/trap.c:451
> #6 0xffffffff807ff363 in calltrap ()
> at /usr/src/sys/amd64/amd64/exception.S:223
> #7 0xffffffff808170d6 in bcopy () at
> /usr/src/sys/amd64/amd64/support.S:124
> #8 0xffffffff80da3fb7 in vesa_bios_save_restore (code=1,
> p=0xffffff80002c4004, size=4928)
> at /usr/src/sys/modules/vesa/../../dev/fb/vesa.c:551
> #9 0xffffffff80da4059 in vesa_save_state (adp=Variable "adp" is not
> available.
> )
> at /usr/src/sys/modules/vesa/../../dev/fb/vesa.c:1429
> #10 0xffffffff808521d4 in vga_suspend (dev=0xffffff00026fd000)
> at /usr/src/sys/isa/vga_isa.c:81
> #11 0xffffffff80852267 in isavga_suspend (dev=0xffffff00026fd000)
> at /usr/src/sys/isa/vga_isa.c:234
> #12 0xffffffff8055d122 in bus_generic_suspend (dev=0xffffff00026a8700)
> at device_if.h:273
> #13 0xffffffff8055d122 in bus_generic_suspend (dev=0xffffff0002560100)
> at device_if.h:273
> #14 0xffffffff8055d122 in bus_generic_suspend (dev=0xffffff000254a300)
> at device_if.h:273
> #15 0xffffffff80412875 in pci_suspend (dev=0xffffff000254a300)
> at /usr/src/sys/dev/pci/pci.c:2891
> #16 0xffffffff8055d122 in bus_generic_suspend (dev=0xffffff0002516800)
> at device_if.h:273
> #17 0xffffffff8055d122 in bus_generic_suspend (dev=0xffffff00023b5a00)
> at device_if.h:273
> #18 0xffffffff801e8f54 in acpi_suspend (dev=0xffffff00023b5a00)
> at /usr/src/sys/dev/acpica/acpi.c:704
> #19 0xffffffff8055d122 in bus_generic_suspend (dev=0xffffff0002356400)
> at device_if.h:273
> #20 0xffffffff8055d122 in bus_generic_suspend (dev=0xffffff0002355800)
> at device_if.h:273
> #21 0xffffffff801e4d2e in acpi_EnterSleepState (sc=0xffffff00023b5900,
> state=3)
> at device_if.h:273
> #22 0xffffffff801e5763 in acpi_AckSleepState
> (clone=0xffffffff80bc6580,
> error=0) at /usr/src/sys/dev/acpica/acpi.c:2450
> #23 0xffffffff804bfd97 in devfs_ioctl_f (fp=0xffffff00028ae140,
> com=2147766277, data=Variable "data" is not available.
> ) at /usr/src/sys/fs/devfs/devfs_vnops.c:659
> #24 0xffffffff80573d96 in kern_ioctl (td=0xffffff000fa09000, fd=3,
> com=2147766277, data=0xffffff00027d05c0 "") at file.h:262
> #25 0xffffffff80573fdd in ioctl (td=0xffffff000fa09000,
> uap=0xffffff803d104bf0)
> at /usr/src/sys/kern/sys_generic.c:678
> #26 0xffffffff80819367 in syscall (frame=0xffffff803d104c80)
> at /usr/src/sys/amd64/amd64/trap.c:945
> #27 0xffffffff807ff641 in Xfast_syscall ()
> at /usr/src/sys/amd64/amd64/exception.S:374
> #28 0x000000080073c38c in ?? ()
> Previous frame inner to this frame (corrupt stack?)
> (kgdb)

This was fixed in r210304 - you can upgrade to 8-STABLE.