Date: Tue, 9 Apr 2024 08:33:06 -0700 From: Rick Macklem <rick.macklem@gmail.com> To: current@freebsd.org, tuexen@freebsd.org, Gleb Smirnoff <glebius@freebsd.org> Subject: Re: Panic after update main-n269202-4e7aa03b7076 -> n269230-f6f67f58c19d Message-ID: <CAM5tNy7Rf_cFF11wb0ZnqQ1RQ-F-2owv-qKFTt1bSRPCy6NodA@mail.gmail.com> In-Reply-To: <CAM5tNy7Oou4WxVGUP_xsaYxBtQ6exVD6bSipjzThpEOO7C1L9A@mail.gmail.com> References: <ZhUqu8nXeQK9T2nH@albert.catwhisker.org> <CAM5tNy6EdhCeqLmU_tPJVtUN345s2GsYFZQ3L9aFL3=x%2BgJzzg@mail.gmail.com> <CAM5tNy7Oou4WxVGUP_xsaYxBtQ6exVD6bSipjzThpEOO7C1L9A@mail.gmail.com>
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On Tue, Apr 9, 2024 at 8:04=E2=80=AFAM Rick Macklem <rick.macklem@gmail.com= > wrote: > > On Tue, Apr 9, 2024 at 7:46=E2=80=AFAM Rick Macklem <rick.macklem@gmail.c= om> wrote: > > > > On Tue, Apr 9, 2024 at 4:47=E2=80=AFAM David Wolfskill <david@catwhiske= r.org> wrote: > > > > > > Machine had been running: > > > > > > FreeBSD 15.0-CURRENT #43 main-n269202-4e7aa03b7076: Mon Apr 8 11:19:= 58 UTC 2024 root@freebeast.catwhisker.org:/common/S4/obj/usr/src/amd64.= amd64/sys/GENERIC amd64 1500018 1500018 > > > > > > This was an in-place source update, after updating sources to > > > main-n269230-f6f67f58c19d. On reboot (after "make installworld" > > > completed, I see this on the serial console (copy/pasted): > > > > > > ... > > > Starting lockd. > > I'd guess this is caused by some recent change to AF_UNIX socket > > creation. The crash appears to be either the SOCK_LOCK() or > > SOCKBUF_LOCK(&so->so_rcv) not being initialized. > > If you can find out what source line# corresponds to > > clnt_vc_create+0x4f4 you can probably tell which one it is. > > > > All local_rpcb() does is a > > error =3D socreate(AF_LOCAL, &so, SOCK_STREAM, 0, curthread->td_ucred= , > > curthread); > > and then calls clnt_vc_create(..so..) with the socket. > > > > I think that socreate() is not initializing one of those two mutexes > > for some reason. > Looks to me like this was caused by commit 681711b. I've added tuexen@ > to the post, since he committed it. Oops, my bad, got this wrong. The commit is d80a97d, when it added PR_SOCKBUG to the pr_flags for AF_UNIX/SOCKSTREAM. I've added glebius@ to the email. rick > > rick > > > > > rick > > > > > > > > > > > Fatal trap 12: page fault while in kernel mode > > > cpuid =3D 9; apic id =3D 09 > > > fault virtual address =3D 0x18 > > > fault code =3D supervisor read data, page not present > > > instruction pointer =3D 0x20:0xffffffff80b208c5 > > > stack pointer =3D 0x28:0xfffffe048c204920 > > > frame pointer =3D 0x28:0xfffffe048c204960 > > > code segment =3D base 0x0, limit 0xfffff, type 0x1b > > > =3D DPL 0, pres 1, long 1, def32 0, gran 1 > > > processor eflags =3D interrupt enabled, resume, IOPL =3D 0 > > > current process =3D 1208 (rpc.Starting automountd. > > > lockd) > > > rdi: 0000000000000000 rsi: fffff801078b0740 rdx: 0000000000000000 > > > rcx: 000000000000010a r8: ffffffff818d30f0 r9: 0000000000000000 > > > rax: 0000000000000000 rbx: 00000000Starting powerd.00000018 rbp: ffff= fe048c204960 > > > r10: 0000000000010000 r11: 0000000000000001 r12: fffff80274e32c18 > > > r13: 000000000000010a r14: fffff80274e32c00 r15: ffffffff812ae38a > > > trap number =3D 12 > > > panic: page fault > > > cpuid =3D 9 > > > time =3D 1712662362 > > > KDB: stack backtrace: > > > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0= 48c2045f0 > > > vpanic() at vpanic+0x135/frame 0xfffffe048c204720 > > > panic() at panic+0x43/frame 0xfffffe048c204780 > > > trap_fatal() at trap_fatal+0x40b/frame 0xfffffe048c2047e0 > > > trap_pfault() at trap_pfault+0xa0/frame 0xfffffe048c204850 > > > calltrap() at calltrap+0x8/frame 0xfffffe048c204850 > > > --- trap 0xc, rip =3D 0xffffffff80b208c5, rsp =3D 0xfffffe048c204920,= rbp =3D 0xfffffe > > > 048c204960 --- > > > __mtx_lock_flags() at __mtx_lock_flags+0x45/frame 0xfffffe048c204960 > > > clnt_vc_create() at clnt_vc_create+0x4f4/frame 0xfffffe048c204ab0 > > > local_rpcb() at local_rpcb+0x11b/frame 0xfffffe048c204b50 > > > rpcb_unset() at rpcb_unset+0x24/frame 0xfffffe048c204bb0 > > > svc_tp_create() at svc_tp_create+0xee/frame 0xfffffe048c204c90 > > > sys_nlm_syscall() at sys_nlm_syscall+0x3d0/frame 0xfffffe048c204e00 > > > amd64_syscall() at amd64_syscall+0x158/frame 0xfffffe048c204f30 > > > fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe048c2= 04f30 > > > --- syscall (154, FreeBSD ELF64, nlm_syscall), rip =3D 0x3f00a2dfd2a,= rsp =3D 0x3f00 > > > 96f7168, rbp =3D 0x3f0096f7230 --- > > > KDB: enter: panic > > > [ thread pid 1208 tid 101107 ] > > > Stopped at kdb_enter+0x33: movq $0,0x104eb92(%rip) > > > db> > > > > > > > > > Given suitable clues, I can poke at it a bit -- this is my "build > > > machine," so it doesn't have critical work to do at the moment. (I > > > would normally have powered it down for the day: here's no need for > > > it to be wasting energy.) > > > > > > Laptops are still building ports under stable/14 -- something seems > > > to want the llvm17 port, and they have firefox to build, so they > > > won't be testing CURRENT/head for a while, yet. > > > > > > Peace, > > > david > > > -- > > > David H. Wolfskill david@catwhisker.org > > > Alexey Navalny was a courageous man; Putin has made him a martyr. > > > > > > See https://www.catwhisker.org/~david/publickey.gpg for my public key= .
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