Date: Wed, 24 Oct 2018 15:08:11 -0600 From: Sean Bruno <sbruno@freebsd.org> To: Leandro <leandro.lupori@gmail.com>, current@freebsd.org Subject: Re: UFS panics Message-ID: <c3b490c3-e6c0-c0a5-b252-9145021dbaa1@freebsd.org> In-Reply-To: <CAC7XEcKqscy78Evb7Z66388fG8mvKTgJZfHpmct=nuFgU%2BpJ1A@mail.gmail.com> References: <CAC7XEcKqscy78Evb7Z66388fG8mvKTgJZfHpmct=nuFgU%2BpJ1A@mail.gmail.com>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --13Pvg2EADJrDNSKvtkHoP8nJcj4EIaE6O Content-Type: multipart/mixed; boundary="D4ozwyZTZnd6kGLEV5PoJqGIsfeEfuWaB"; protected-headers="v1" From: Sean Bruno <sbruno@freebsd.org> To: Leandro <leandro.lupori@gmail.com>, current@freebsd.org Message-ID: <c3b490c3-e6c0-c0a5-b252-9145021dbaa1@freebsd.org> Subject: Re: UFS panics References: <CAC7XEcKqscy78Evb7Z66388fG8mvKTgJZfHpmct=nuFgU+pJ1A@mail.gmail.com> In-Reply-To: <CAC7XEcKqscy78Evb7Z66388fG8mvKTgJZfHpmct=nuFgU+pJ1A@mail.gmail.com> --D4ozwyZTZnd6kGLEV5PoJqGIsfeEfuWaB Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 10/24/18 9:22 AM, Leandro wrote: > Hello, >=20 > I'm seeing a kernel panic when trying to move a specific file. >=20 > panic: Bad effnlink fip 0xc0000004a2c69a00, fdp 0xc000000497093be0, > tdp 0xc0000004be6295a0 > cpuid =3D 72 > time =3D 1540283798 > KDB: stack backtrace: > 0xe0000000adb8dcc0: at .kdb_backtrace+0x5c > 0xe0000000adb8ddf0: at .vpanic+0x1b4 > 0xe0000000adb8deb0: at .panic+0x38 > 0xe0000000adb8df40: at .ufs_readdir+0x2f24 > 0xe0000000adb8e1b0: at .VOP_RENAME_APV+0x190 > 0xe0000000adb8e240: at .kern_renameat+0x3c0 > 0xe0000000adb8e540: at .sys_rename+0x2c > 0xe0000000adb8e5c0: at .trap+0x65c > 0xe0000000adb8e780: at .powerpc_interrupt+0x290 > 0xe0000000adb8e820: user SC trap by 0x81010b7b8: srr1=3D0x900000000000f= 032 > r1=3D0x3fffffffffffc490 cr=3D0x34000028 xer=3D0x20000000 > ctr=3D0x81010b7b0 r2=3D0x8102c5950 > KDB: enter: panic >=20 > Using 'ls' or 'rm' on the file gives a "Bad file descriptor" error. > Using 'cat', I get another panic, but now during open. > Everything indicates that the file system is in an inconsistent state. >=20 > Therefore, I would just like to ask the following: is it expected for > kernel panics to happen when there are errors in the file system? >=20 > Thanks, > Leandro > _________________________ I can't make much sense of the ppc backtrace here, but I assume this is U= FS? If it is, UFS tends to panic to protect data in an error case and ZFS tends to go read-only in an error case. (over generalization here, but its been my experience). sean --D4ozwyZTZnd6kGLEV5PoJqGIsfeEfuWaB-- --13Pvg2EADJrDNSKvtkHoP8nJcj4EIaE6O Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQGTBAEBCgB9FiEE6MTp+IA1BOHj9Lo0veT1/om1/LYFAlvQ3z1fFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEU4 QzRFOUY4ODAzNTA0RTFFM0Y0QkEzNEJERTRGNUZFODlCNUZDQjYACgkQveT1/om1 /LZt3AgAnO1Yl08iSOBg0GjK5d5nhHzGvmch46O2aTQK5/TUdx6IjdUx2lNDA5LG uSb/QnOPdCdlJjgizpdtph6QSiVHe3oR/3P7Tk6idaTwYFWcB48Pp7lsUBhg8v+/ jajleh/yIDvCgI+WQ+6/p2K0KvyGYa9VN7GHE0riXKBpMOPldT/csBcowmk7oCHf DOuT4JnK/HYz/Sqh9OBXJwbT39sEDBFi0BCHAbAeATtYZyJBxh1NQ9zpFx53D0ZB TXIS0QM/6BwzXh/3g/rW6EsNXk5sGampeRHqAWIRQmgYnIz8LXK/c5K5oF7++aF8 9Xj1shrWq17Ur1aBMDL3YH9slFJ6rQ== =Ufkm -----END PGP SIGNATURE----- --13Pvg2EADJrDNSKvtkHoP8nJcj4EIaE6O--
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