Date: Sun, 12 Jul 2009 08:41:26 +0100 From: Lawrence Stewart <lstewart@freebsd.org> To: Larry Rosenman <ler@lerctr.org> Cc: freebsd-current@freebsd.org Subject: Re: Is this a known issue? Message-ID: <4A5993A6.7030205@freebsd.org> In-Reply-To: <6adb930b24382e32582fca4841f91765.squirrel@webmail.lerctr.org> References: <6adb930b24382e32582fca4841f91765.squirrel@webmail.lerctr.org>
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Larry Rosenman wrote: > Got this lovely textdump tonight with -CURRENT from earlier today: > Fatal trap 12: page fault while in kernel mode > cpuid = 1; apic id = 01 > fault virtual address = 0x318 > fault code = supervisor read data, page not present > instruction pointer = 0x20:0xffffffff803200fe > stack pointer = 0x28:0xffffff81d22105f0 > frame pointer = 0x28:0xffffff81d2210610 > 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 = 1611 (bacula-fd) > trap number = 12 > panic: page fault > cpuid = 1 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2a > panic() at panic+0x182 > trap_fatal() at trap_fatal+0x2ad > trap_pfault() at trap_pfault+0x294 > trap() at trap+0x187 > calltrap() at calltrap+0x8 > --- trap 0xc, rip = 0xffffffff803200fe, rsp = 0xffffff81d22105f0, rbp = > 0xffffff81d2210610 --- > _mtx_lock_sleep() at _mtx_lock_sleep+0x4e > netisr_queue_internal() at netisr_queue_internal+0xe1 > netisr_queue_src() at netisr_queue_src+0x3c > if_simloop() at if_simloop+0xb6 > looutput() at looutput+0x84 > ip_output() at ip_output+0xb88 > tcp_output() at tcp_output+0xac9 > tcp_usr_send() at tcp_usr_send+0x3a4 > sosend_generic() at sosend_generic+0x3f6 > soo_write() at soo_write+0x37 > dofilewrite() at dofilewrite+0x85 > kern_writev() at kern_writev+0x60 > write() at write+0x55 > syscall() at syscall+0x246 > Xfast_syscall() at Xfast_syscall+0xe1 > --- syscall (4, FreeBSD ELF64, write), rip = 0x801a0ff9c, rsp = > 0x7fffff9fd2b8, rbp = 0x801d44e28 --- > Uptime: 6m22s > # > > Is this a known issue? > > Also, it appears it had just reset without trace (the 6m22s uptime is > telltale). Currently being investigated. See "ppp triggers GPF panic" and "Re: r194546 amd64: kernel panic in tcp_sack.c" for other threads on freebsd-current@ that likely are the same panic (not confirmed yet though as we only have access to Kamigishi's crash dumps so far). Do you have a crash dump? Cheers, Lawrence
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