Date: Wed, 22 Dec 2010 17:58:56 +0200 From: Daniel Braniss <danny@cs.huji.ac.il> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: panic on boot Message-ID: <E1PVR5c-0006AQ-Cb@kabab.cs.huji.ac.il> In-Reply-To: <201012220951.50493.jhb@freebsd.org> References: <E1PVLfv-0000y6-21@kabab.cs.huji.ac.il> <201012220951.50493.jhb@freebsd.org>
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> On Wednesday, December 22, 2010 5:12:03 am Daniel Braniss wrote: > > the hardware is Sun Fire X2200 M2, and it's discless, PXE booted. > > > > this seems to have started sometime before 8.2, and it > > 'sometimes happens': > > > > FreeBSD 8.2-PRERELEASE #15 r4274: Wed Dec 22 09:11:27 IST 2010c40, rbp = > > 0xffffffff80ef5c60 --- > > danny@rnd:/home/obj/rnd/r+d/stable/8/sys/HUJI amd64 > > Timecounter "i8254" frequency 1193182 Hz quality 0 > > CPU: Dual-Core AMD Opteron(tm) Processor 2218 (2613.40-MHz K8-class CPU) > > Origin = "AuthenticAMD" Id = 0x40f13 Family = f Model = 41 Stepping = 3 > > Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA, > > CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> > > Features2=0x2001<SSE3,CX16> > > AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+,3DNow!> > > AMD Features2=0x1f<LAHF,CMP,SVM,ExtAPIC,CR8> > > ... > > SMP: AP CPU #3 Launched! > > (cd0:ata0:0:0:0): SCSI status: Check Condition > > cpu3 AP: > > (cd0:ata0:0:0:0): SCSI sense: NOT READY asc:3a,0 (Medium not present) > > ID: 0x03000000 VER: 0x80050010 LDR: 0x00000000 DFR: 0xffffffff > > (cd0: lint0: 0x00010700 lint1: 0x00000400 TPR: 0x00000000 SVR: 0x000001ff > > ata0:0: timer: 0x000200ef therm: 0x00010000 err: 0x000000f00: pmc: 0x000104000): > > Error 6, Unretryable error > > SMP: AP CPU #2 Launched! > > cd0 at ata0 bus 0 scbus0 target 0 lun 0 > > cpu2 AP: > > cd0: ID: 0x02000000 VER: 0x80050010 LDR: 0x00000000 DFR: 0xffffffff > > <TEAC DV-28E-N P.6A> Removable CD-ROM SCSI-0 device > > lint0: 0x00010700 lint1: 0x00000400 TPR: 0x00000000 SVR: 0x000001ff > > cd0: 33.300MB/s transfers timer: 0x000200ef therm: 0x00010000 err: 0x000000f0 ( pmc: 0x00010400UDMA2, > > ATAPI 12bytes, ioapic0: routing intpin 3 (PIO 65534bytesISA IRQ 3)) to lapic 1 vector 48 > > f > > loiwotaapbilce0 :c lreoaunteirn gs tianrttpeidn > > 4 (cd0: Attempt to query device size failed: NOT READY, Medium not present > > ISA IRQ 4) to lapic 2 vector 48 > > ioapic0: routing intpin 9 (ISA IRQ 9) to lapic 3 vector 48 > > ioapic0: routing intpin 15 (ISA IRQ 15) to lapic 1 vector 49 > > ioapic0: routing intpin 17 (PCI IRQ 17) to lapic 2 vector 49 > > ioapic0: routing intpin 18 (PCI IRQ 18) to lapic 3 vector 49 > > ioapic0: routing intpin 22 (PCI IRQ 22) to lapic 1 vector 50 > > ioapic0: routing intpin 23 (PCI IRQ 23) to lapic 2 vector 50 > > kernel trap 12 with interrupts disabled > > > > > > Fatal trap 12: page fault while in kernel mode > > cpuid = 0; apic id = 00 > > fault virtual address = 0x10 > > fault code = supervisor read data, page not present > > instruction pointer = 0x20:0xffffffff808b1581 > > stack pointer = 0x28:0xffffffff80ef5b20 > > frame pointer = 0x28:0xffffffff80ef5b50 > > code segment = base 0x0, limit 0xfffff, type 0x1b > > = DPL 0, pres 1, long 1, def32 0, gran 1 > > processor eflags = resume, IOPL = 0 > > current process = 0 (swapper) > > trap number = 12 > > panic: page fault > > cpuid = 0 > > KDB: stack backtrace: > > db_trace_self_wrapper() at db_trace_self_wrapper+0x2a > > kdb_backtrace() at kdb_backtrace+0x37 > > panic() at panic+0x187 > > trap_fatal() at trap_fatal+0x290 > > trap_pfault() at trap_pfault+0x28f > > trap() at trap+0x3df > > calltrap() at calltrap+0x8 > > --- trap 0xc, rip = 0xffffffff808b1581, rsp = 0xffffffff80ef5b20, rbp = 0xffffffff80ef5b50 --- > > intr_execute_handlers() at intr_execute_handlers+0x21 > > lapic_handle_intr() at lapic_handle_intr+0x37 > > Xapic_isr1() at Xapic_isr1+0xa5 > > --- interrupt, rip = 0xffffffff808b6cf3, rsp = 0xffffffff80ef5c40, rbp = 0xffffffff80ef5c60 --- > > spinlock_exit() at spinlock_exit+0x33 > > ioapic_assign_cpu() at ioapic_assign_cpu+0x123 > > intr_shuffle_irqs() at intr_shuffle_irqs+0x9d > > mi_startup() at mi_startup+0x77 > > btext() at btext+0x2c > > Uptime: 2s > > Can you do 'l *intr_execute_handlers+0x21' and 'l *ioapic_assign_cpu+0x123' > in 'gdb kernel.debug' of your kernel? sure, as soon as it happens, and it aint happening now :-( but when it will happen, I think it won't let me into the debugger - probably will have to recompile thanks danny
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