Date: Mon, 17 Dec 2012 21:40:01 GMT From: Mateusz Guzik <mjguzik@gmail.com> To: freebsd-jail@FreeBSD.org Subject: Re: misc/174436: [jail] Jails with numbers as names don't work Message-ID: <201212172140.qBHLe1hv058409@freefall.freebsd.org>
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The following reply was made to PR kern/174436; it has been noted by GNATS. From: Mateusz Guzik <mjguzik@gmail.com> To: Robert Schulze <rs@bytecamp.net> Cc: bug-followup@FreeBSD.org Subject: Re: misc/174436: [jail] Jails with numbers as names don't work Date: Mon, 17 Dec 2012 22:31:27 +0100 On Mon, Dec 17, 2012 at 02:57:06PM +0100, Robert Schulze wrote: > Hello, > > Am 14.12.2012 17:01, schrieb Mateusz Guzik: > >Hi, > > > >can you provide backtrace from this panic? Are you able to reproduce it? > > I can reproduce this behaviour reliably. Can you send me your kernel or put somewhere for download? If not, provide output of the following: # addr2line -e /boot/kernel/kernel 0xffffffff804debff # addr2line -e /boot/kernel/kernel 0xffffffff804dbef6 Also I don't think that '0' has any significance here. Can you change it to something else and try again? Can you try with different IP? Preferably 127.0.0.2 on lo0. > Here is a backtrace, I had to type that manually: > > fault virtual address = 0x110 > fault code = supervisor read data, page not present > instruction pointer = 0x20:0xffffffff804d9d54 > stack pointer = 0x28:0xffffff8489ce47d0 > frame pointer = 0x28:0xffffff8489ce47f0 > 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 = 1058 (jail) > trap number = 12 > panic: page fault > cpuid = 7 > KDB: stack backtrace: > #0 0xffffffff8053de06 at kdb_backtrace+0x66 > #1 0xffffffff80507c6e at panic+0x1ce > #2 0xffffffff807579f0 at trap_fatal+0x290 > #3 0xffffffff80757d28 at trap_pfault+0x1e8 > #4 0xffffffff8075832e at trap+0x3be > #5 0xffffffff80741bef at calltrap+0x8 > #6 0xffffffff804dbef6 at prison_deref+0x1f6 > #7 0xffffffff804debff at kern_jail_set+0x14af > #8 0xffffffff804e1282 at sys_jail_set+0x62 > #9 0xffffffff807572d0 at amd64_syscall+0x540 > #10 0xffffffff80741ed7 at Xfast_syscall+0xf7 > > with kind regards, > Robert Schulze -- Mateusz Guzik <mjguzik gmail.com>
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