[DragonFlyBSD - Bug #2504] panic: general protection fault running poudriere + tmpfs + ccache

[Francois Tigeot via Redmine <bugtracker-admin@xxxxxxxxxxxxxxxxxxxxx>]

Issue #2504 has been reported by ftigeot.

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Bug #2504: panic: general protection fault running poudriere + tmpfs + ccache
http://bugs.dragonflybsd.org/issues/2504

Author: ftigeot
Status: New
Priority: Normal
Assignee: 
Category: 
Target version: 


I keep saying reproductible panics running 4 poudriere jobs on a Xeon-E3 (8 threads) / DragonFly 3.3 system

Backtrace:

_get_mycpu () at ./machine/thread.h:69
69	    __asm ("movq %%gs:globaldata,%0" : "=r" (gd) : "m"(__mycpu__dummy));
(kgdb) #0  _get_mycpu () at ./machine/thread.h:69
#1  md_dumpsys (di=<optimized out>)
    at /usr/src/sys/platform/pc64/x86_64/dump_machdep.c:265
#2  0xffffffff804f5d12 in dumpsys () at /usr/src/sys/kern/kern_shutdown.c:913
#3  0xffffffff804f6376 in boot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:373
#4  0xffffffff804f662d in panic (fmt=0xffffffff80906d4b "%s")
    at /usr/src/sys/kern/kern_shutdown.c:819
#5  0xffffffff808b6368 in trap_fatal (frame=0xffffffe24264b258, 
    eva=<optimized out>) at /usr/src/sys/platform/pc64/x86_64/trap.c:1029
#6  0xffffffff808b6e71 in trap (frame=0xffffffe24264b258)
    at /usr/src/sys/platform/pc64/x86_64/trap.c:754
#7  0xffffffff808a0c3f in calltrap ()
    at /usr/src/sys/platform/pc64/x86_64/exception.S:188
#8  0xffffffff808b0e19 in db_read_bytes (addr=7665811765312320823, size=8, 
    data=0xffffffe24264b338 "")
    at /usr/src/sys/platform/pc64/x86_64/db_interface.c:240
#9  0xffffffff802a735d in db_get_value (addr=7665811765312320823, size=8, 
    is_signed=0) at /usr/src/sys/ddb/db_access.c:58
#10 0xffffffff808b1ab5 in db_nextframe (ip=<optimized out>, 
    fp=<optimized out>) at /usr/src/sys/platform/pc64/x86_64/db_trace.c:234
#11 db_stack_trace_cmd (addr=<optimized out>, have_addr=<optimized out>, 
    count=<optimized out>, modif=<optimized out>)
    at /usr/src/sys/platform/pc64/x86_64/db_trace.c:440
#12 0xffffffff808b1c77 in print_backtrace (count=1113895736)
    at /usr/src/sys/platform/pc64/x86_64/db_trace.c:452
#13 0xffffffff804f65f8 in panic (fmt=0xffffffff80906d4b "%s")
    at /usr/src/sys/kern/kern_shutdown.c:812
#14 0xffffffff808b6368 in trap_fatal (frame=0xffffffe24264b648, 
    eva=<optimized out>) at /usr/src/sys/platform/pc64/x86_64/trap.c:1029
#15 0xffffffff808b6586 in trap_pfault (frame=0xffffffe24264b648, usermode=0)
    at /usr/src/sys/platform/pc64/x86_64/trap.c:917
#16 0xffffffff808b6c65 in trap (frame=0xffffffe24264b648)
    at /usr/src/sys/platform/pc64/x86_64/trap.c:611
#17 0xffffffff808a0c3f in calltrap ()
    at /usr/src/sys/platform/pc64/x86_64/exception.S:188
#18 0xffffffff8057c4bb in vop_nremove (ops=0xffffffe22c69e680, 
    nch=0xffffffe24264b948, dvp=0xffffffe24264b718, cred=0xffffffe22d5b7958)
    at /usr/src/sys/kern/vfs_vopops.c:1528
#19 0xffffffff80573da9 in kern_rename (fromnd=0xffffffe24264b948, 
    tond=0xffffffe24264b8d8) at /usr/src/sys/kern/vfs_syscalls.c:3779
#20 0xffffffff80573f2e in sys_rename (uap=0xffffffe24264ba08)
    at /usr/src/sys/kern/vfs_syscalls.c:3805
#21 0xffffffff808b75e3 in syscall2 (frame=0xffffffe24264bab8)
    at /usr/src/sys/platform/pc64/x86_64/trap.c:1238
#22 0xffffffff808a0e8b in Xfast_syscall ()
    at /usr/src/sys/platform/pc64/x86_64/exception.S:323
#23 0x000000000000002b in ?? ()


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