Date: Wed, 2 Dec 2009 17:45:15 +0100 From: Gary Jennejohn <gary.jennejohn@freenet.de> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: core dump in cvsup caused by _once()? Message-ID: <20091202174515.2b94a996@ernst.jennejohn.org> In-Reply-To: <20091202173928.4d20a943@ernst.jennejohn.org> References: <20091128111501.34a7a2a4@ernst.jennejohn.org> <200912011009.59961.jhb@freebsd.org> <20091202122347.124c2652@ernst.jennejohn.org> <200912020937.23896.jhb@freebsd.org> <20091202173928.4d20a943@ernst.jennejohn.org>
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On Wed, 2 Dec 2009 17:39:28 +0100
Gary Jennejohn <gary.jennejohn@freenet.de> wrote:
> On Wed, 2 Dec 2009 09:37:23 -0500
> John Baldwin <jhb@freebsd.org> wrote:
>
> >
> > Can you get a ktrace? I wonder if it is trying to handle a signal 11 (name of
> > '0xb' is rather bogus) and triggering SIGILL due to a problem with that.
> >
>
> Yup, you hit the nail on the head. The last few lines from kdump
> [snip old kdump output]
Sorry for the churn, but this is probably more useful
2430 cvsup RET lseek 0
2430 cvsup CALL fcntl(0x1,F_GETFL,0)
2430 cvsup RET fcntl 2
2430 cvsup CALL fcntl(0x1,F_SETFL,O_RDWR|O_NONBLOCK)
2430 cvsup RET fcntl 0
2430 cvsup CALL write(0x1,0x640018,0x12)
2430 cvsup GIO fd 1 wrote 18 bytes
" Edit ports/MOVED
"
2430 cvsup RET write 18/0x12
2430 cvsup CALL fcntl(0x1,F_SETFL,O_RDWR)
2430 cvsup RET fcntl 0
2430 cvsup CALL gettimeofday(0x774a08,0x774a18)
2430 cvsup RET gettimeofday 0
2430 cvsup CALL gettimeofday(0x774a98,0x774aa8)
2430 cvsup RET gettimeofday 0
2430 cvsup CALL open(0x67bd78,O_RDONLY,<unused>0)
2430 cvsup NAMI "/usr/ports/MOVED"
2430 cvsup RET open 12/0xc
2430 cvsup CALL fstat(0xc,0x774cf8)
2430 cvsup STRU struct stat {dev=108, ino=2214146, mode=-rw-r--r-- , nlink=1, uid=0, gid=0, rdev=8847104, atime=1259771681, stime=1259657784, ctime=1259657784, birthtime=1259657784, size=318279, blksize=4096, blocks=672, flags=0x0 }
2430 cvsup RET fstat 0
2430 cvsup CALL mmap(0,0x4db47,PROT_READ,MAP_SHARED,0xc,0)
2430 cvsup RET mmap 6221824/0x8005ef000
2430 cvsup CALL close(0xc)
2430 cvsup RET close 0
2430 cvsup CALL issetugid
2430 cvsup RET issetugid 0
2430 cvsup CALL open(0x7745c8,O_RDONLY,<unused>0x2e)
2430 cvsup NAMI "/usr/share/zoneinfo/UTC"
2430 cvsup RET open 12/0xc
2430 cvsup CALL fstat(0xc,0x7749d8)
2430 cvsup STRU struct stat {dev=108, ino=4900414, mode=-r--r--r-- , nlink=4, uid=0, gid=0, rdev=19572028, atime=1259771681, stime=1259754131, ctime=1259754131, birthtime=1259754131, size=118, blksize=4096, blocks=4, flags=0x0 }
2430 cvsup RET fstat 0
2430 cvsup CALL read(0xc,0x765c68,0xa1e8)
2430 cvsup GIO fd 12 read 118 bytes
0x0000 545a 6966 3200 0000 0000 0000 0000 0000 |TZif2...........|
0x0010 0000 0000 0000 0001 0000 0001 0000 0000 |................|
0x0020 0000 0000 0000 0001 0000 0004 0000 0000 |................|
0x0030 0000 5554 4300 0000 545a 6966 3200 0000 |..UTC...TZif2...|
0x0040 0000 0000 0000 0000 0000 0000 0000 0001 |................|
0x0050 0000 0001 0000 0000 0000 0000 0000 0001 |................|
0x0060 0000 0004 0000 0000 0000 5554 4300 0000 |..........UTC...|
0x0070 0a55 5443 300a |.UTC0.|
2430 cvsup RET read 118/0x76
2430 cvsup CALL close(0xc)
2430 cvsup RET close 0
2430 cvsup PSIG SIGSEGV caught handler=0x499ea0 mask=0x0 code=0x2
2430 cvsup NAMI "cvsup.core"
---
Gary Jennejohn
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