2001-11-16 23:14:55

by Per-Olof Pettersson

Subject: PROBLEM: compiling 2.4.14 fails in block.o (probably loopback)

[1.]
compiling 2.4.14 fails in block.o (probably loopback)

[2.]
Compiling fails when enabling loopback-support in block-devices.
When disabling loopback-support it works.

[3.]
block.o loopback compiling

[4.]
2.4.14

[7.1.]
Linux burken 2.4.14 #4 Fri Nov 16 18:30:19 CET 2001 i686 unknown

Gnu C 2.95.3
Gnu make 3.79.1
binutils 2.11
util-linux 2.10l
mount 2.10l
modutils 2.3.11
e2fsprogs 1.18
Linux C Library 2.1.3
ldd: version 1.9.9
Procps 2.0.6
Net-tools 1.55
Kbd 0.99
Sh-utils 2.0
Modules Loaded NVdriver

[X.]
Output from compile:
make[1]: Leaving directory `/usr/local/src/linux/arch/i386/lib'
ld -m elf_i386 -T /usr/local/src/linux/arch/i386/vmlinux.lds -e stext
arch/i386/kernel/head.o arch/i386/kernel/init_task.o init/main.o
init/version.o \
--start-group \
arch/i386/kernel/kernel.o arch/i386/mm/mm.o kernel/kernel.o
mm/mm.o fs/fs.o ipc/ipc.o \
drivers/char/char.o drivers/block/block.o drivers/misc/misc.o
drivers/net/net.o drivers/media/media.o drivers/char/agp/agp.o
drivers/ide/idedriver.o drivers/cdrom/driver.o
drivers/sound/sounddrivers.o drivers/pci/driver.o drivers/video/video.o
drivers/usb/usbdrv.o drivers/input/inputdrv.o \
net/network.o \
/usr/local/src/linux/arch/i386/lib/lib.a
/usr/local/src/linux/lib/lib.a /usr/local/src/linux/arch/i386/lib/lib.a \
--end-group \
-o vmlinux
drivers/block/block.o: In function `lo_send':
drivers/block/block.o(.text+0x894f): undefined reference to
`deactivate_page'
drivers/block/block.o(.text+0x8999): undefined reference to
`deactivate_page'
make: *** [vmlinux] Error 1

Workaround:
Do not compile with loopback-support in block-devices.

Best regards
Per-Olof Pettersson

2001-11-16 23:44:47

by Chris Wright

Subject: Re: PROBLEM: compiling 2.4.14 fails in block.o (probably loopback)

* Per-Olof Pettersson ([email protected]) wrote:
> [1.]
> compiling 2.4.14 fails in block.o (probably loopback)

this is a known problem (it's helpful to search the archives ;-).
to fix, apply the following patch:

cheers,
-chris

--- linux-2.4.14/drivers/block/loop.c Thu Oct 25 13:58:34 2001
+++ linux-2.4.14-loop/drivers/block/loop.c Mon Nov 5 17:06:08 2001
@@ -207,7 +207,6 @@
index++;
pos += size;
UnlockPage(page);
- deactivate_page(page);
page_cache_release(page);
}
return 0;
@@ -218,7 +217,6 @@
kunmap(page);
unlock:
UnlockPage(page);
- deactivate_page(page);
page_cache_release(page);
fail:
return -1;