Date: Wed, 15 Oct 2014 10:40:40 +0100 From: Colin Perkins <csp@csperkins.org> To: Kevin Oberman <rkoberman@gmail.com> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: System hang on shutdown when running freebsd-update Message-ID: <7479DC25-4451-4940-AFE7-7C81D08206D4@csperkins.org> In-Reply-To: <CAN6yY1tnjvW72Yn=o9vgiS9%2B7Asy2GR7758LN8jfzTuQ8fWu=Q@mail.gmail.com> References: <CAN6yY1tnjvW72Yn=o9vgiS9%2B7Asy2GR7758LN8jfzTuQ8fWu=Q@mail.gmail.com>
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On 14 Oct 2014, at 18:09, Kevin Oberman <rkoberman@gmail.com> wrote: > I thought that this was just a fluke, but it has now happened three = times, > so I guess it's now out of the "fluke" class. >=20 > I have upgraded several times recently to each 10.1 BETA and RC. After = the > first install pass t install the kernel and modules, the system = shutdown > freezes at the very end. I see the buffers synced to the disks and get = the > "All buffers synced" message. Then it just hangs. The disks are not = marked > as clean and are fscked after a reset and boot. >=20 > There is not much between the "All buffers synced" message and the = call to > vfs_unmountall(), so I suspect it is hanging in that call. I admit = that I > am pretty much lost whenever I look at the VFS code and I have not put = a > lot of effort going further. Just hoping that someone familiar with it > might have an idea. >=20 > I have tried several reboots and all run normally. The problem only = seems > to appear when upgrading the OS. It happened repeatedly when I tried = to > reboot before doing the second "install" pass of freebsd-update, but = not > after, so the kernel and world are not in sync. I am baffled as to = what > could be going on, but it means I need to be at the system (a baby = server) > when I upgrade, but not every time I upgrade. I know it happened on = the > 10.0-RELEAASE to 10.1-BETA1 and 10.1-RC1 to 10.1-RC2 upgrades. >=20 > Has anyone else seen this? I=92m seeing the same behaviour, most recently when moving to 10.1-RC1 = (haven=92t gone to -RC2 yet). The system is: FreeBSD 10.1-RC1 #0 r272463: Fri Oct 3 01:47:10 UTC 2014 root@releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512 CPU: AMD Opteron(TM) Processor 6274 (2200.05-MHz = K8-class CPU) Origin =3D "AuthenticAMD" Id =3D 0x600f12 Family =3D 0x15 Model =3D = 0x1 Stepping =3D 2 = Features=3D0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE= ,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> = Features2=3D0x1e98220b<SSE3,PCLMULQDQ,MON,SSSE3,CX16,SSE4.1,SSE4.2,POPCNT,= AESNI,XSAVE,OSXSAVE,AVX> AMD Features=3D0x2e500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM> AMD = Features2=3D0x1c9bfff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW= ,IBS,XOP,SKINIT,WDT,LWP,FMA4,NodeId,Topology,PCXC,PNXC> TSC: P-state invariant, performance statistics real memory =3D 549755813888 (524288 MB) avail memory =3D 534559084544 (509795 MB) Event timer "LAPIC" quality 400 ACPI APIC Table: <041112 APIC1739> FreeBSD/SMP: Multiprocessor System Detected: 64 CPUs FreeBSD/SMP: 4 package(s) x 16 core(s) =85 I do have IPMI loaded, unlike the other reports. --=20 Colin Perkins https://csperkins.org/
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