On 9/8/13, Oliver Pinter <oliver.pntr at gmail.com>
wrote:> Hi!
>
> I got this panic on recent 9-STABLE (amd64):
>
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> This GDB was configured as "amd64-marcel-freebsd"...
>
> Unread portion of the kernel message buffer:
> <118>Sep 8 20:22:34 pandora-d syslogd: exiting on signal 15
>
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address = 0x78
> fault code = supervisor read data, page not present
> instruction pointer = 0x20:0xffffffff80482a05
> stack pointer = 0x28:0xffffff800024e7d0
> frame pointer = 0x28:0xffffff800024e800
> 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 = 1 (init)
> trap number = 12
> panic: page fault
> cpuid = 0
> KDB: stack backtrace:
> #0 0xffffffff804cd660 at kdb_backtrace+0x60
> #1 0xffffffff8049797e at panic+0x1fe
> #2 0xffffffff8069e3da at trap_fatal+0x37a
> #3 0xffffffff8069e64b at trap_pfault+0x25b
> #4 0xffffffff8069dd74 at trap+0x454
> #5 0xffffffff80688543 at calltrap+0x8
> #6 0xffffffff8046893b at proc_reap+0x4bb
> #7 0xffffffff80468d51 at proc_to_reap+0x361
> #8 0xffffffff80467ddb at kern_wait6+0x22b
> #9 0xffffffff804679b6 at sys_wait4+0x76
> #10 0xffffffff8069eb9d at amd64_syscall+0x29d
> #11 0xffffffff8068882b at Xfast_syscall+0xfb
> Uptime: 34m20s
> Dumping 367 out of 4084
> MB:..5%..14%..22%..31%..44%..53%..62%..75%..83%..92%
>
> This is fully reproducible.
>
> The HEAD stay on :
>
> commit aba57138f98f1a98e4b7c7c61511daefb0542524
> Author: des <des at FreeBSD.org>
> Date: Sun Sep 8 10:04:26 2013 +0000
>
> Make libldns and libssh private.
>
> Approved by: re (blanket)
>
> Notes:
> svn path=/head/; revision=255386
>
> The panic first appeared on likely between august 8 and 17.
>
> When you need more info, the ping me.
>
after recompiling the kernel with INVARIANTS:
zone: 4096(0xfffffe00cff68380) slab 0xfffffe00059af470 freed address
0xfffffe00059b2010 unaligned.
panic: should be 0xfffffe00059b2000
cpuid = 0
KDB: stack backtrace:
#0 0xffffffff804c7790 at kdb_backtrace+0x60
#1 0xffffffff80494c8e at panic+0x1fe
#2 0xffffffff8066062c at uma_dbg_free+0x10c
#3 0xffffffff8065dbe5 at uma_zfree_arg+0x75
#4 0xffffffff8047f1f7 at free+0x97
#5 0xffffffff806a2ab3 at cpuctl_ioctl+0x4b3
#6 0xffffffff80401640 at devfs_ioctl_f+0xf0
#7 0xffffffff804db190 at kern_ioctl+0x1b0
#8 0xffffffff804daf92 at sys_ioctl+0x142
#9 0xffffffff806989c1 at amd64_syscall+0x211
#10 0xffffffff80681ecb at Xfast_syscall+0xfb
Uptime: 28s
Dumping 264 out of 4084 MB:..7%..13%..25%..31%..43%..55%..61%..73%..85%..91%
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