Date: Sun, 18 Jul 2021 04:07:43 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 257195] [tcp] Panic when RACK enabled: tcp_hptsi at /usr/src/sys/netinet/tcp_hpts.c:1662 Message-ID: <bug-257195-7501-SuqvXu5wl8@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-257195-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-257195-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D257195 --- Comment #14 from iron.udjin@gmail.com --- (In reply to iron.udjin from comment #12) OS: stable/13-n246050-07ef7a034965 On another server I catched one more panic. But it has a little bit differe= nt trace: Fatal trap 12: page fault while in kernel mode cpuid =3D 39; apic id =3D 33 fault virtual address =3D 0x18 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff80fc1c20 stack pointer =3D 0x0:0xfffffe0321555e90 frame pointer =3D 0x0:0xfffffe0321555ed0 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 11 (swi1: hpts) trap number =3D 12 panic: page fault cpuid =3D 39 time =3D 1624174594 KDB: stack backtrace: #0 0xffffffff805f37a5 at kdb_backtrace+0x65 #1 0xffffffff805a9931 at vpanic+0x181 #2 0xffffffff805a97a3 at panic+0x43 #3 0xffffffff80852617 at trap_fatal+0x387 #4 0xffffffff8085266f at trap_pfault+0x4f #5 0xffffffff80851ce3 at trap+0x253 #6 0xffffffff8082ac18 at calltrap+0x8 #7 0xffffffff80fb183c at rack_log_output+0xec #8 0xffffffff80fa9a33 at rack_output+0x6ca3 #9 0xffffffff80718835 at tcp_hpts_thread+0x725 #10 0xffffffff8056cfed at ithread_loop+0x24d #11 0xffffffff80569ebd at fork_exit+0x7d #12 0xffffffff8082bc9e at fork_trampoline+0xe Uptime: 9h40m48s Dumping 21243 out of 196233 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91% __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 55 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (offsetof(stru= ct pcpu, (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=3D<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:399 #2 0xffffffff805a9525 in kern_reboot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:486 #3 0xffffffff805a99a0 in vpanic (fmt=3D<optimized out>, ap=3D<optimized ou= t>) at /usr/src/sys/kern/kern_shutdown.c:919 #4 0xffffffff805a97a3 in panic (fmt=3D<unavailable>) at /usr/src/sys/kern/kern_shutdown.c:843 #5 0xffffffff80852617 in trap_fatal (frame=3D0xfffffe0321555dd0, eva=3D24) at /usr/src/sys/amd64/amd64/trap.c:943 #6 0xffffffff8085266f in trap_pfault (frame=3Dframe@entry=3D0xfffffe032155= 5dd0,=20 usermode=3Dfalse, signo=3D<optimized out>, signo@entry=3D0x0,=20 ucode=3D<optimized out>, ucode@entry=3D0x0) at /usr/src/sys/amd64/amd64/trap.c:760 #7 0xffffffff80851ce3 in trap (frame=3D0xfffffe0321555dd0) at /usr/src/sys/amd64/amd64/trap.c:438 #8 <signal handler called> #9 rack_setup_offset_for_rsm (src_rsm=3D0xfffff814ec3da230,=20 rsm=3D0xfffff81f552bebd0) at /usr/src/sys/modules/tcp/rack/../../../netinet/tcp_stacks/rack.c:6024 at /usr/src/sys/kern/kern_shutdown.c:919 #4 0xffffffff805a97a3 in panic (fmt=3D<unavailable>) at /usr/src/sys/kern/kern_shutdown.c:843 #5 0xffffffff80852617 in trap_fatal (frame=3D0xfffffe0321555dd0, eva=3D24) at /usr/src/sys/amd64/amd64/trap.c:943 #6 0xffffffff8085266f in trap_pfault (frame=3Dframe@entry=3D0xfffffe032155= 5dd0,=20 usermode=3Dfalse, signo=3D<optimized out>, signo@entry=3D0x0,=20 ucode=3D<optimized out>, ucode@entry=3D0x0) at /usr/src/sys/amd64/amd64/trap.c:760 #7 0xffffffff80851ce3 in trap (frame=3D0xfffffe0321555dd0) at /usr/src/sys/amd64/amd64/trap.c:438 #8 <signal handler called> #9 rack_setup_offset_for_rsm (src_rsm=3D0xfffff814ec3da230,=20 rsm=3D0xfffff81f552bebd0) at /usr/src/sys/modules/tcp/rack/../../../netinet/tcp_stacks/rack.c:6024 #10 rack_clone_rsm (rack=3D<optimized out>, nrsm=3D0xfffff81f552bebd0,=20 rsm=3D0xfffff814ec3da230, start=3D3444253360) at /usr/src/sys/modules/tcp/rack/../../../netinet/tcp_stacks/rack.c:6076 #11 rack_update_entry (tp=3Dtp@entry=3D0xfffffe07d12dc870,=20 rack=3D0xfffffe07c8e3cd00, rsm=3D0xfffff814ec3da230, ts=3D34848115395,= =20 lenp=3Dlenp@entry=3D0xfffffe0321555f14, add_flag=3D<optimized out>) at /usr/src/sys/modules/tcp/rack/../../../netinet/tcp_stacks/rack.c:7169 #12 0xffffffff80fb183c in rack_log_output (tp=3Dtp@entry=3D0xfffffe07d12dc8= 70,=20 to=3D<optimized out>, len=3Dlen@entry=3D253, seq_out=3D3444253107,=20 th_flags=3D<optimized out>, th_flags@entry=3D16 '\020', err=3Derr@entry= =3D0,=20 cts=3D34848115395, hintrsm=3D0x0, add_flag=3D16384, s_mb=3D0xfffff80df0= cd4800,=20 s_moff=3D1) at /usr/src/sys/modules/tcp/rack/../../../netinet/tcp_stacks/rack.c:7384 #13 0xffffffff80fa9a33 in rack_fast_rsm_output (tp=3D<optimized out>,=20 rack=3D<optimized out>, rsm=3D<optimized out>, ts_val=3D<optimized out>= ,=20 cts=3D488377027, ms_cts=3D34848115, tv=3D0xfffffe0321556018,=20 len=3D<optimized out>) at /usr/src/sys/modules/tcp/rack/../../../netinet/tcp_stacks/rack.c:154= 04 #14 rack_output (tp=3D<optimized out>) at /usr/src/sys/modules/tcp/rack/../../../netinet/tcp_stacks/rack.c:164= 17 #15 0xffffffff80718835 in tcp_hptsi (hpts=3D0xfffff8184d9f3700) at /usr/src/sys/netinet/tcp_hpts.c:1613 #16 tcp_hpts_thread (ctx=3D0xfffff8184d9f3700) at /usr/src/sys/netinet/tcp_hpts.c:1832 #17 0xffffffff8056cfed in intr_event_execute_handlers (p=3D<optimized out>,= =20 ie=3D0xfffff8184d9d0c00) at /usr/src/sys/kern/kern_intr.c:1168 #18 ithread_execute_handlers (p=3D<optimized out>, ie=3D0xfffff8184d9d0c00) at /usr/src/sys/kern/kern_intr.c:1181 #19 ithread_loop (arg=3Darg@entry=3D0xfffff8184d9e3640) at /usr/src/sys/kern/kern_intr.c:1269 #20 0xffffffff80569ebd in fork_exit ( callout=3D0xffffffff8056cda0 <ithread_loop>, arg=3D0xfffff8184d9e3640,= =20 frame=3D0xfffffe0321556480) at /usr/src/sys/kern/kern_fork.c:1083 #21 <signal handler called> (kgdb) There is also VIMAGE enabled. --=20 You are receiving this mail because: You are the assignee for the bug.=
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