PQ_LAUNDRY: unexpected behaviour

[Matthew Macy]

Thanks. Pete already filed that as part of #108. With luck markj@ will have that fixed this weekend.

-M


 ---- On Fri, 06 Jan 2017 11:24:00 -0800 Jonathan Anderson <jonathan.robert.anderson at gmail.com> wrote ---- 
 > On 6 Jan 2017, at 14:06, Matthew Macy wrote: 
 >  
 > > kernel cores tend to be large (all of wired memory after all) and  
 > > unless I have exactly the same kernel as you with the same sources at  
 > > the same changeset, not useful. A backtrace is a good place to start. 
 > >> kgdb /boot/kernel/kernel /var/crash/vmcore.last 
 > > % bt 
 > > 
 > > -M 
 >  
 > Ok, here we are: 
 >  
 > #0  doadump (textdump=0) at pcpu.h:222 
 > #1  0xffffffff82a445e7 in vt_kms_postswitch (arg=<value optimized out>) 
 >      at  
 > /usr/home/jon/freebsd/graphics/sys/modules/drm/drm/../../../dev/drm/linux_fb.c:82 
 > #2  0xffffffff808de76b in vt_window_switch (vw=0xffffffff81760ea8) 
 >      at /usr/home/jon/freebsd/graphics/sys/dev/vt/vt_core.c:540 
 > #3  0xffffffff808dc280 in vtterm_cngrab (tm=<value optimized out>) 
 >      at /usr/home/jon/freebsd/graphics/sys/dev/vt/vt_core.c:1465 
 > #4  0xffffffff809f3e02 in cngrab () at  
 > /usr/home/jon/freebsd/graphics/sys/kern/kern_cons.c:368 
 > #5  0xffffffff80a4d27a in vpanic (fmt=0xffffffff80ff218f "Assertion %s  
 > failed at %s:%d", 
 >      ap=0xfffffe0233e6f5f0) at  
 > /usr/home/jon/freebsd/graphics/sys/kern/kern_shutdown.c:765 
 > #6  0xffffffff80a4d166 in kassert_panic (fmt=<value optimized out>) 
 >      at /usr/home/jon/freebsd/graphics/sys/kern/kern_shutdown.c:669 
 > #7  0xffffffff80d2b93c in vm_fault_hold (map=0xfffff8010c9aa000,  
 > vaddr=34369822720, 
 >      fault_type=<value optimized out>, fault_flags=0, m_hold=0x0) 
 >      at /usr/home/jon/freebsd/graphics/sys/vm/vm_fault.c:389 
 > #8  0xffffffff80d2a1b8 in vm_fault (map=0xfffff8010c9aa000, vaddr=<value  
 > optimized out>, 
 >      fault_type=2 '\002', fault_flags=<value optimized out>) 
 >      at /usr/home/jon/freebsd/graphics/sys/vm/vm_fault.c:474 
 > #9  0xffffffff80ebb412 in trap_pfault (frame=0xfffffe0233e6f9c0,  
 > usermode=1) 
 >      at /usr/home/jon/freebsd/graphics/sys/amd64/amd64/trap.c:708 
 > #10 0xffffffff80ebaba2 in trap (frame=0xfffffe0233e6f9c0) 
 >      at /usr/home/jon/freebsd/graphics/sys/amd64/amd64/trap.c:326 
 > #11 0xffffffff80e9b181 in calltrap () 
 >      at /usr/home/jon/freebsd/graphics/sys/amd64/amd64/exception.S:236 
 > #12 0x00000008022a3876 in ?? () 
 >  
 > It looks like the other core files have the same backtrace. Please let  
 > me know if any other details would help... 
 >  
 >  
 > Jon 
 > -- 
 > jonathan.anderson at ieee.org 
 >