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[108.254.203.202]) by smtp.gmail.com with ESMTPSA id w22sm5837957otp.73.2019.06.25.23.37.30 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Tue, 25 Jun 2019 23:37:31 -0700 (PDT) From: Doug Moore X-Google-Original-From: Doug Moore Subject: Re: frequent panics from current built today References: <20190626063129.GI8697@kib.kiev.ua> To: freebsd-current@freebsd.org Cc: pete@nomadlogic.org Message-ID: Date: Wed, 26 Jun 2019 01:37:30 -0500 User-Agent: Mozilla/5.0 (X11; FreeBSD i386; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20190626063129.GI8697@kib.kiev.ua> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US X-Rspamd-Queue-Id: 489CE8FE31 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-7.00 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[]; NEURAL_HAM_SHORT(-1.00)[-0.997,0] X-Mailman-Approved-At: Wed, 26 Jun 2019 10:26:43 +0000 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Jun 2019 06:37:33 -0000 This problem is almost certainly my fault, due to r349393.  Once I learned of the problem and verified that I was responsible, I reverted that change with r349405. I apologize for the multiple inconveniences I have caused. Doug Moore > ----- Forwarded message from Pete Wright ----- > > Date: Tue, 25 Jun 2019 19:09:07 -0700 > From: Pete Wright > To: FreeBSD Current > Subject: frequent panics from current built today > > hello - i've had a system panic multiple times after rebuilding world/kernel > today.  here's my info: > FreeBSD topanga 13.0-CURRENT FreeBSD 13.0-CURRENT 2474a68216f(master) > GENERIC-NODEBUG  amd64 > > Looking at two of the panic texts I see this: > > Fatal trap 12: page fault while in kernel mode > cpuid = 1; apic id = 01 > fault virtual address   = 0x52 > fault code              = supervisor read data, page not present > instruction pointer     = 0x20:0xffffffff80f47f54 > stack pointer           = 0x0:0xfffffe0122e4a6d0 > frame pointer           = 0x0:0xfffffe0122e4a7b0 > 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         = 69399 (java) > trap number             = 12 > panic: page fault > cpuid = 1 > time = 1561514025 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0122e4a380 > vpanic() at vpanic+0x19d/frame 0xfffffe0122e4a3d0 > panic() at panic+0x43/frame 0xfffffe0122e4a430 > trap_fatal() at trap_fatal+0x39c/frame 0xfffffe0122e4a490 > trap_pfault() at trap_pfault+0x49/frame 0xfffffe0122e4a4f0 > trap() at trap+0x29f/frame 0xfffffe0122e4a600 > calltrap() at calltrap+0x8/frame 0xfffffe0122e4a600 > --- trap 0xc, rip = 0xffffffff80f47f54, rsp = 0xfffffe0122e4a6d0, rbp = > 0xfffffe0122e4a7b0 --- > vm_map_lookup() at vm_map_lookup+0x2a4/frame 0xfffffe0122e4a7b0 > vm_fault_hold() at vm_fault_hold+0x72/frame 0xfffffe0122e4a900 > vm_fault() at vm_fault+0x60/frame 0xfffffe0122e4a940 > trap_pfault() at trap_pfault+0x164/frame 0xfffffe0122e4a9a0 > trap() at trap+0x42b/frame 0xfffffe0122e4aab0 > calltrap() at calltrap+0x8/frame 0xfffffe0122e4aab0 > --- trap 0xc, rip = 0x41f695e0, rsp = 0x7fffdfff0738, rbp = 0x7fffdfff07b0 --- > KDB: enter: panic > > __curthread () at /usr/home/pete/git/freebsd/sys/amd64/include/pcpu.h:246 > 246             __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" > (OFFSETOF_CURTHREAD)); > > > I have usable core files and can post any additional debug info needed.  The > first crash happened when launching chrome, the second (which is what the > above text is from) happened when I was running a java process in a jail.  Has > anyone else seen this? > > Cheers, > -pete >