Re: [NetBSD-7] Panic in nfsd

[BERTRAND Joël <joel.bertrand%systella.fr@localhost>]

Christos Zoulas a écrit :
> On Jan 4,  9:53pm, joel.bertrand%systella.fr@localhost (=?UTF-8?Q?BERTRAND_Jo=c3=abl?=) wrote:
> -- Subject: Re: [NetBSD-7] Panic in nfsd
>
> | Christos Zoulas a écrit :
> | > Can you try with a DEBUG/DIAGNOSTIC/LOCKDEBUG kernel?
> |
> | 	I can. I will upgrade system as soon as possible.
>
> Perhaps also: makeoptions    DEBUG="-g"      # compile full symbol table
> In case it dumps.
>
> Good luck,
>
> christos

	I have added this option. Yesterday, when I have tried to rebuild 
NetBSD from sources, system have paniced twice :

Jan  4 23:45:14 legendre /netbsd: vpanic() at netbsd:vpanic+0x13c
Jan  4 23:45:14 legendre /netbsd: snprintf() at netbsd:snprintf
Jan  4 23:45:14 legendre /netbsd: ufs_dirbadentry() at 
netbsd:ufs_dirbadentry
Jan  4 23:45:14 legendre /netbsd: ufs_lookup() at netbsd:ufs_lookup+0x4c3
Jan  4 23:45:14 legendre /netbsd: VOP_LOOKUP() at netbsd:VOP_LOOKUP+0x34
Jan  4 23:45:14 legendre /netbsd: lookup_once() at netbsd:lookup_once+0x18b
Jan  4 23:45:14 legendre /netbsd: namei_tryemulroot() at 
netbsd:namei_tryemulroot+0x612
Jan  4 23:45:14 legendre /netbsd: namei() at netbsd:namei+0x43
Jan  4 23:45:14 legendre /netbsd: fd_nameiat.isra.0() at 
netbsd:fd_nameiat.isra.0+0x54
Jan  4 23:45:14 legendre /netbsd: do_sys_renameat.isra.4() at 
netbsd:do_sys_renameat.isra.4+0x155
Jan  4 23:45:14 legendre /netbsd: syscall() at netbsd:syscall+0x9a
Jan  4 23:45:14 legendre /netbsd: --- syscall (number 128) ---
Jan  4 23:45:14 legendre /netbsd: 7f7ff743c95a:
Jan  4 23:45:14 legendre /netbsd: cpu6: End traceback...
Jan  4 23:45:14 legendre /netbsd:
Jan  4 23:45:14 legendre /netbsd: uvm_fault(0xfffffe811df7ae60, 0x0, 2) -> e
Jan  4 23:45:14 legendre /netbsd: dumping to dev 19,1 (offset=13817, 
size=4163124):
Jan  4 23:45:14 legendre /netbsd: fatal page fault in supervisor mode
Jan  4 23:45:14 legendre /netbsd: dump trap type 6 code 2 rip 
ffffffff805ebc49 cs 8 rflags 10202 cr2 84 ilevel 8 rsp fffffe811df6fc60
Jan  4 23:45:14 legendre /netbsd: curlwp 0xfffffe811df5d840 pid 1.1 
lowest kstack 0xfffffe811df6d2c0
Jan  4 23:45:14 legendre /netbsd: i/o error

and second one :

Jan  5 00:46:53 legendre /netbsd: vpanic() at netbsd:vpanic+0x13c
Jan  5 00:46:53 legendre /netbsd: snprintf() at netbsd:snprintf
Jan  5 00:46:53 legendre /netbsd: startlwp() at netbsd:startlwp
Jan  5 00:46:53 legendre /netbsd: alltraps() at netbsd:alltraps+0x96
Jan  5 00:46:53 legendre /netbsd: VOP_LOOKUP() at netbsd:VOP_LOOKUP+0x34
Jan  5 00:46:53 legendre /netbsd: lookup_once() at netbsd:lookup_once+0x18b
Jan  5 00:46:53 legendre /netbsd: /: bad dir ino 687360 at offset 956: 
mangled entry
Jan  5 00:46:53 legendre /netbsd: namei_tryemulroot() at 
netbsd:namei_tryemulroot+0x612
Jan  5 00:46:53 legendre /netbsd: namei() at netbsd:namei+0x43
Jan  5 00:46:53 legendre /netbsd: fd_nameiat.isra.0() at 
netbsd:fd_nameiat.isra.0+0x54
Jan  5 00:46:53 legendre /netbsd: do_sys_statat() at 
netbsd:do_sys_statat+0x72
Jan  5 00:46:53 legendre /netbsd: sys___lstat50() at 
netbsd:sys___lstat50+0x25
Jan  5 00:46:53 legendre /netbsd: syscall() at netbsd:syscall+0x9a
Jan  5 00:46:53 legendre /netbsd: --- syscall (number 441) ---

	No crash dump available in /var/crash.

	I will try to obtain more usable information to debug.

	Regards,

	JKB