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X-MC-Unique: EUIHxVYQOzaPTKdg8lq6Og-1 Received: from MAIL-HUB.pai.local (10.10.0.250) by MAIL-HUB.pai.local (10.10.0.250) with Microsoft SMTP Server (TLS) id 15.0.1497.28; Mon, 21 Feb 2022 18:21:39 -0500 Received: from MAIL-HUB.pai.local ([fe80::a02e:93c2:c16a:6af8]) by MAIL-HUB.pai.local ([fe80::a02e:93c2:c16a:6af8%15]) with mapi id 15.00.1497.028; Mon, 21 Feb 2022 18:21:39 -0500 From: Michael Jung To: Hans Petter Selasky , freebsd-current Subject: RE: New panic in main-n253273-a52d8d4a6c6: Thread-Topic: New panic in main-n253273-a52d8d4a6c6: Thread-Index: AdgmmC6h1TNd/HB0TUWCzt+asldIhgAiSNWAAACbjEAADBz0gAAJX15A Date: Mon, 21 Feb 2022 23:21:39 +0000 Message-ID: <8e780c77416b48e7bf79186cc77fe5c5@MAIL-HUB.pai.local> References: <6fcc161dd23b4f7ebe7cc789f11c017e@MAIL-HUB.pai.local> In-Reply-To: Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.250.0.59] x-c2processedorg: 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-----Original Message-----
From: Hans Petter Selasky [mailto:hps@selasky.org]
Sent: Monday, February 21, 2022 8:53 AM
To: Michael Jung <mikej@paymentallianceintl.com>; freebsd-current <= ;freebsd-current@freebsd.org>
Subject: Re: New panic in main-n253273-a52d8d4a6c6:

On 2/21/22 14:07, Michael Jung wrote:
> (kgdb) fram 16
> #16 0xffffffff80bad587 in closefp_impl (fdp=3D0xfffffe012b7c0430, fd= =3D4, fp=3D0xfffff801cc119280, td=3D0xfffffe00df8d0560, audit=3Dtrue) at /u= sr/src/sys/kern/kern_descrip.c:1300
> 1300 error =3D closef(fp, td);
>
> (kgdb) print /x *fdp
> $1 =3D {fd_files =3D 0xfffffe00df6d9000, fd_map =3D 0xfffff80001bb1800= , fd_freefile =3D 0x4, fd_refcnt =3D 0x1, fd_holdcnt =3D 0x1, fd_sx =3D {lo= ck_object =3D {lo_name =3D 0xffffffff8124f6a9, lo_flags =3D 0x2330000, lo_d= ata =3D 0x0,
> lo_witness =3D 0xfffff8041eb94000}, sx_lock =3D 0x1}, fd_kqlist= =3D {tqh_first =3D 0x0, tqh_last =3D 0x0}, fd_holdleaderscount =3D 0x0, fd= _holdleaderswakeup =3D 0x0}
> (kgdb)

Can you also:

print /x *fp

in the same frame?

--HPS



Unread portion of the kernel message buffer:
panic: refcount 0xfffff801cc119284 wraparound
cpuid =3D 7
time =3D 1645382575
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0119a83= c80
vpanic() at vpanic+0x17f/frame 0xfffffe0119a83cd0
panic() at panic+0x43/frame 0xfffffe0119a83d30
fdclose() at fdclose/frame 0xfffffe0119a83dc0
closefp_impl() at closefp_impl+0x77/frame 0xfffffe0119a83e00
amd64_syscall() at amd64_syscall+0x12e/frame 0xfffffe0119a83f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0119a83f30<= BR> --- syscall (6, FreeBSD ELF64, sys_close), rip =3D 0x3309a531b62a, rsp =3D = 0x3309a2802bc8, rbp =3D 0x3309a2803000 ---
KDB: enter: panic

__curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
55 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) = : "n" (offsetof(struct pcpu,


(kgdb) frame 16
#16 0xffffffff80bad587 in closefp_impl (fdp=3D0xfffffe012b7c0430, fd=3D4, f= p=3D0xfffff801cc119280, td=3D0xfffffe00df8d0560, audit=3Dtrue) at /usr/src/= sys/kern/kern_descrip.c:1300
1300 error =3D closef(fp, td);


(kgdb) print /x *fp
$1 =3D {f_flag =3D 0x5, f_count =3D 0xffffffff, f_data =3D 0xfffff800158b04= 00, f_ops =3D 0xffffffff81b052d0, f_vnode =3D 0xfffff800d9156000, f_cred = =3D 0xfffff801d81be400, f_type =3D 0x1, f_vnread_flags =3D 0x0, {f_seqcount= =3D {0x0,
0x0}, f_pipegen =3D 0x0}, f_nextoff =3D {0x0, 0x0}, f_vnun =3D {fvn_c= devpriv =3D 0x0, fvn_advice =3D 0x0}, f_offset =3D 0x0}
(kgdb)




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