From Bugzilla Helper: User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; Q312461) Description of problem: Compiling cpqarray into kernel fails. This applies to kernel release 2.4.18-5 only. 2.4.18-4 was fine. Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: 1.Compile with CONFIG_BLK_CPQ_DA=y 2. 3. Actual Results: drivers/block/block.o(.data+0xc74): undefined reference to `local symbols in discarded section .text.exit' make[1]: *** [kallsyms] Error 1 Additional info: using a perl script I was able to find out that: Error: ./cpqarray.o .data refers to 00000174 R_386_32 .text.exit See included script: #!/usr/bin/perl -w # # reference_discarded.pl (C) Keith Owens 2001 <kaos.au> # # List dangling references to vmlinux discarded sections. use strict; die($0 . " takes no arguments\n") if($#ARGV >= 0); my %object; my $object; my $line; my $ignore; $| = 1; printf("Finding objects, "); open(OBJDUMP_LIST, "find . -name '*.o' | xargs objdump -h |") || die "getting objdump list failed"; while (defined($line = <OBJDUMP_LIST>)) { chomp($line); if ($line =~ /:\s+file format/) { ($object = $line) =~ s/:.*//; $object{$object}->{'module'} = 0; $object{$object}->{'size'} = 0; $object{$object}->{'off'} = 0; } if ($line =~ /^\s*\d+\s+\.modinfo\s+/) { $object{$object}->{'module'} = 1; } if ($line =~ /^\s*\d+\s+\.comment\s+/) { ($object{$object}->{'size'}, $object{$object}->{'off'}) = (split (' ', $line))[2,5]; } } close(OBJDUMP_LIST); printf("%d objects, ", scalar keys(%object)); $ignore = 0; foreach $object (keys(%object)) { if ($object{$object}->{'module'}) { ++$ignore; delete($object{$object}); } } printf("ignoring %d module(s)\n", $ignore); # Ignore conglomerate objects, they have been built from multiple objects and we # only care about the individual objects. If an object has more than one GCC: # string in the comment section then it is conglomerate. This does not filter # out conglomerates that consist of exactly one object, can't be helped. printf("Finding conglomerates, "); $ignore = 0; foreach $object (keys(%object)) { if (exists($object{$object}->{'off'})) { my ($off, $size, $comment, $l); $off = hex($object{$object}->{'off'}); $size = hex($object{$object}->{'size'}); open(OBJECT, "<$object") || die "cannot read $object"; seek(OBJECT, $off, 0) || die "seek to $off in $object failed"; $l = read(OBJECT, $comment, $size); die "read $size bytes from $object .comment failed" if ($l != $size); close(OBJECT); if ($comment =~ /GCC\:.*GCC\:/m) { ++$ignore; delete($object{$object}); } } } printf("ignoring %d conglomerate(s)\n", $ignore); printf("Scanning objects\n"); foreach $object (keys(%object)) { my $from; open(OBJDUMP, "objdump -r $object|") || die "cannot objdump -r $object"; while (defined($line = <OBJDUMP>)) { chomp($line); if ($line =~ /RELOCATION RECORDS FOR /) { ($from = $line) =~ s/.*\[([^]]*).*/$1/; } if (($line =~ /\.text\.exit$/ || $line =~ /\.data\.exit$/ || $line =~ /\.exitcall\.exit$/) && ($from !~ /\.text\.exit$/ && $from !~ /\.data\.exit$/ && $from !~ /\.exitcall\.exit$/)) { printf("Error: %s %s refers to %s\n", $object, $from, $line); } } close(OBJDUMP); } printf("Done\n"); It should be relatively easy to fix with a simple patch.
This problem is related to binutils. To solve this issue the following patch must be applied: --- /usr/src/linux-2.4.18-5/drivers/block/cpqarray.c.old Thu Jun 27 12:25:12 2002 +++ /usr/src/linux-2.4.18-5/drivers/block/cpqarray.c Thu Jun 27 00:15:53 2002 @@ -603,7 +603,7 @@ static struct pci_driver cpqarray_pci_driver = { name: "cpqarray", probe: cpqarray_init_one, - remove: cpqarray_remove_one, + remove: __devexit_p(cpqarray_remove_one), id_table: cpqarray_pci_device_id, };