Date: Fri, 26 Oct 2018 23:23:57 -0700 From: John-Mark Gurney <jmg@funkthat.com> To: Leandro <leandro.lupori@gmail.com> Cc: current@freebsd.org Subject: Re: UFS panics Message-ID: <20181027062357.GE75530@funkthat.com> In-Reply-To: <CAC7XEcKqscy78Evb7Z66388fG8mvKTgJZfHpmct=nuFgU%2BpJ1A@mail.gmail.com> References: <CAC7XEcKqscy78Evb7Z66388fG8mvKTgJZfHpmct=nuFgU%2BpJ1A@mail.gmail.com>
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Leandro wrote this message on Wed, Oct 24, 2018 at 12:22 -0300: > I'm seeing a kernel panic when trying to move a specific file. > > panic: Bad effnlink fip 0xc0000004a2c69a00, fdp 0xc000000497093be0, > tdp 0xc0000004be6295a0 > cpuid = 72 > time = 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=0x900000000000f032 > r1=0x3fffffffffffc490 cr=0x34000028 xer=0x20000000 > ctr=0x81010b7b0 r2=0x8102c5950 > KDB: enter: panic > > 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. > > 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? Have you unmounted the file system, and tried to do a fsck on it? That you're getting a bad file descriptor sounds like it might be a directory entry pointing to a bad inode. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."
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