panic: pmap active 0xfffff8002d2ae9f8

Bryan Drewery bdrewery at FreeBSD.org
Wed Aug 13 15:39:01 UTC 2014


On 6/24/2014 4:28 PM, Craig Rodrigues wrote:
> Hi,
> 
> I have a system running CURRENT at r266925 from May 31.
> 
> While doing some software builds using poudriere, the system
> panicked.  Unfortunately this system was not configured with
> swap space, so I cannot do a kernel dump.
> 
> The system is currently at the ddb prompt.
> Here is the backtrace:
> 
> 
> Here is the backtrace from ddb:
> 
> panic: pmap active 0xfffff8002d2ae9f8
> cpuid = 5
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
> 0xfffffe183958a7d0
> kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe183958a880
> vpanic() at vpanic+0x126/frame 0xfffffe183958a8c0
> kassert_panic() at kassert_panic+0x139/frame 0xfffffe183958a930
> pmap_remove_pages() at pmap_remove_pages+0x8c/frame 0xfffffe183958aa20
> vmspace_exit() at vmspace_exit+0xa1/frame 0xfffffe183958aa60
> exit1() at exit1+0x541/frame 0xfffffe183958aad0
> sys_sys_exit() at sys_sys_exit+0xe/frame 0xfffffe183958aae0
> amd64_syscall() at amd64_syscall+0x25a/frame 0xfffffe183958abf0
> Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe183958abf0
> --- syscall (1, FreeBSD ELF64, sys_sys_exit), rip - 0x800b195aa, rsp -
> 0x7ffffffe3e8, rbp = 0x7ffffffffe400
> KDB: enter: panic
> [ thread pid 94762 tid 101570 ]
> Stopped at       kdb_enter+0x3e: movq        $0.kdb_why
> db>
> 
> 
> Is this a known problem?
> Are there other commands I should type at the ddb prompt?
> --
> Craig

I have run into this as well on r269147:

> panic: pmap active 0xfffff80035f422f8
> cpuid = 10
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe124852b7d0
> kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe124852b880
> vpanic() at vpanic+0x126/frame 0xfffffe124852b8c0
> kassert_panic() at kassert_panic+0x139/frame 0xfffffe124852b930
> pmap_remove_pages() at pmap_remove_pages+0x8c/frame 0xfffffe124852ba20
> vmspace_exit() at vmspace_exit+0x9c/frame 0xfffffe124852ba60
> exit1() at exit1+0x541/frame 0xfffffe124852bad0
> sys_sys_exit() at sys_sys_exit+0xe/frame 0xfffffe124852bae0
> ia32_syscall() at ia32_syscall+0x270/frame 0xfffffe124852bbf0
> Xint0x80_syscall() at Xint0x80_syscall+0x95/frame 0xfffffe124852bbf0
> --- syscall (1, FreeBSD ELF32, sys_sys_exit), rip = 0x297e386f, rsp = 0xffffd7ac, rbp = 0xffffd7b8 ---
> KDB: enter: panic
> [ thread pid 85335 tid 101517 ]
> Stopped at      kdb_enter+0x3e: movq    $0,kdb_why
> db> call doadump
> 
> Dump failed. Partition too small.
> = 0



-- 
Regards,
Bryan Drewery

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