** Tags added: kernel-da-key
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https://bugs.launchpad.net/bugs/1348277
Title:
module compile error for aarch64
Status in linux package in Ubuntu:
Confirmed
Bug description:
When compiling an external module for aarch64 on Ubuntu 14.04, the
compiler generates the following error:
In file included from
/home/ctuffli/dev/ubuntu-trusty/include/linux/netlink.h:6:0,
from
/home/ctuffli/dev/ubuntu-trusty/include/uapi/scsi/scsi_netlink.h:25,
from
/home/ctuffli/dev/ubuntu-trusty/include/scsi/scsi_transport_fc.h:32,
<edited>
/home/ctuffli/dev/ubuntu-trusty/include/linux/skbuff.h: In function
‘skb_can_coalesce’:
/home/ctuffli/dev/ubuntu-trusty/include/linux/skbuff.h:2255:14: error:
comparison between signed and unsigned integer expressions
[-Werror=sign-compare]
off == frag->page_offset + skb_frag_size(frag);
^
cc1: all warnings being treated as errors
cc1: all warnings being treated as errors
Although something like the below quiets the warning, it isn't clear
to me this is the correct change
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index e9b1a3c..e3623cc 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2252,7 +2252,7 @@ static inline bool skb_can_coalesce(struct sk_buff
*skb, int i,
const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i
- 1];
return page == skb_frag_page(frag) &&
- off == frag->page_offset + skb_frag_size(frag);
+ off == (int)(frag->page_offset + skb_frag_size(frag));
}
return false;
}
---
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code
2: ls: cannot access /dev/snd/: No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: arm64
ArecordDevices: Error: [Errno 2] No such file or directory
CRDA: Error: [Errno 2] No such file or directory
CurrentDmesg: [ 17.335985] init: plymouth-upstart-bridge main process
ended, respawning
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=88388f89-d798-4675-9542-27cacae45a9d
IwConfig: Error: [Errno 2] No such file or directory
Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize
libusb: -99
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
TERM=screen
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: console=ttyS0,115200n8 ro
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
RelatedPackageVersions:
linux-restricted-modules-3.13.0-32-generic N/A
linux-backports-modules-3.13.0-32-generic N/A
linux-firmware 1.127.4
RfKill: Error: [Errno 2] No such file or directory
Tags: trusty
Uname: Linux 3.13.0-32-generic aarch64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
---
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code
2: ls: cannot access /dev/snd/: No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: arm64
ArecordDevices: Error: [Errno 2] No such file or directory
CRDA: Error: [Errno 2] No such file or directory
CurrentDmesg: [ 17.335985] init: plymouth-upstart-bridge main process
ended, respawning
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=88388f89-d798-4675-9542-27cacae45a9d
IwConfig: Error: [Errno 2] No such file or directory
Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize
libusb: -99
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
TERM=screen
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: console=ttyS0,115200n8 ro
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
RelatedPackageVersions:
linux-restricted-modules-3.13.0-32-generic N/A
linux-backports-modules-3.13.0-32-generic N/A
linux-firmware 1.127.4
RfKill: Error: [Errno 2] No such file or directory
Tags: trusty
Uname: Linux 3.13.0-32-generic aarch64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
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