Date: Mon, 23 Aug 2021 00:38:54 +0300 From: Oleg Ginzburg <olevole@olevole.ru> To: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: Fatal trap 12: if_io_tqg_11: ~main-n248851-0d55bc8eb2a: Message-ID: <CAMsb%2BmaX2H5%2B3zXbLZSr_E6pxQZXc%2BK5_oXocfFH-ctWDd9OYg@mail.gmail.com> In-Reply-To: <CAMsb%2BmYw-gfL1wxF%2BQ0mKHugyrwMn6okLjF2VAkQEzjSabY6GA@mail.gmail.com> References: <CAMsb%2BmYw-gfL1wxF%2BQ0mKHugyrwMn6okLjF2VAkQEzjSabY6GA@mail.gmail.com>
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Please ignore this. updating to the latest revision fixed the problem.
On Sun, Aug 22, 2021 at 11:12 PM Oleg Ginzburg <olevole@olevole.ru> wrote:
> Hi,
>
> One of my regularly updated hosts on the 14-CURRENT started to reboot
> constantly when initializing the network stack (both IPv4/V6 stacks are
> active), current rev: ( 22997b755013bdde60119fdc781769192ab7e1e0 Sat Aug =
7
> 21:25:36 2021 +0100 )
>
> crash info:
> --
> ...
> <118>Starting devd.
> <118>Starting Network: igb1.
> <118>igb1: flags=3D8822<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
> <118>
> options=3D4e507bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_=
HWCSUM,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6,NOMAP=
>
>
> <118> ether b4:96:91:95:97:ed
>
> Fatal trap 12: page fault while in kernel mode
> cpuid =3D 11; apic id =3D 0b
> fault virtual address =3D 0x128
> fault code =3D supervisor read data, page not present
> instruction pointer =3D 0x20:0xffffffff80c1effd
> stack pointer =3D 0x28:0xfffffe01159efeb0
> frame pointer =3D 0x28:0xfffffe01159efeb0
> 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 0 (if_io_tqg_11)
> trap number =3D 12
> panic: page fault
> cpuid =3D 11
> time =3D 1629661329
> Uptime: 1m14s
> Dumping 2158 out of 65309
> MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%
>
> __curthread () at /usr/jails/src/src_14/src/sys/amd64/include/pcpu_aux.h:=
55
>
> 55 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (offsetof(
> struct pcpu,
> (kgdb)
>
> (kgdb) list *0xffffffff80c1effd
> 0xffffffff80c1effd is in __rw_rlock_int
> (/usr/jails/src/src_14/src/sys/kern/kern_rwlock.c:679).
> 674 KASSERT(rw_wowner(rw) !=3D td,
> 675 ("rw_rlock: wlock already held for %s @ %s:%d",
> 676 rw->lock_object.lo_name, file, line));
> 677 WITNESS_CHECKORDER(&rw->lock_object, LOP_NEWORDER, file,
> line, NULL);
> 678
> 679 v =3D RW_READ_VALUE(rw);
> 680 if (__predict_false(LOCKSTAT_PROFILE_ENABLED(rw__acquire)
> ||
> 681 !__rw_rlock_try(rw, td, &v, true LOCK_FILE_LINE_ARG))=
)
> 682 __rw_rlock_hard(rw, td, v LOCK_FILE_LINE_ARG);
> 683 else
>
>
> --
>
>
> I haven=E2=80=99t looked at the details so far, perhaps you have comments=
on the
> latest changes. Latest revision that works successfully: n246318-163153c2=
a08
> ( the host is updated approximately once a week )
>
>
>
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