tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head: 47bbbb30b4331ec58a74a66a044341f0114b02b3
commit: 47bbbb30b4331ec58a74a66a044341f0114b02b3 [33/33] sch_dsmark: improve memory locality
config: cris-allyesconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 47bbbb30b4331ec58a74a66a044341f0114b02b3
# save the attached .config to linux build tree
make.cross ARCH=cris
All error/warnings (new ones prefixed by >>):
net/sched/sch_dsmark.c: In function 'dsmark_dequeue':
quoted
net/sched/sch_dsmark.c:316:1: error: unrecognizable insn:
(insn 245 244 119 15 (set (reg:QI 11 r11 [179])
(and:QI (mem/s/j:QI (reg/f:SI 2 r2 [orig:48 D.44551 ] [48]) [0 D.44551_34->mask+0 S1 A8])
(reg:QI 11 r11 [179]))) include/net/dsfield.h:33 -1
(nil))quoted
net/sched/sch_dsmark.c:316:1: internal compiler error: in extract_insn, at recog.c:2109
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
vim +316 net/sched/sch_dsmark.c
c76f2a2c4 Yang Yingliang 2013-12-23 310 pr_warn("%s: unsupported protocol %d\n",
d8b9605d2 Jiri Pirko 2015-01-13 311 __func__, ntohs(tc_skb_protocol(skb)));
^1da177e4 Linus Torvalds 2005-04-16 312 break;
3ff50b799 Stephen Hemminger 2007-04-20 313 }
af0d11417 Thomas Graf 2005-06-18 314
^1da177e4 Linus Torvalds 2005-04-16 315 return skb;
^1da177e4 Linus Torvalds 2005-04-16 @316 }
^1da177e4 Linus Torvalds 2005-04-16 317
8e3af9789 Jarek Poplawski 2008-10-31 318 static struct sk_buff *dsmark_peek(struct Qdisc *sch)
8e3af9789 Jarek Poplawski 2008-10-31 319 {
:::::: The code at line 316 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds [off-list ref]
:::::: CC: Linus Torvalds [off-list ref]
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
On Fri, 2015-09-18 at 15:12 +0800, kbuild test robot wrote:
tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head: 47bbbb30b4331ec58a74a66a044341f0114b02b3
commit: 47bbbb30b4331ec58a74a66a044341f0114b02b3 [33/33] sch_dsmark: improve memory locality
config: cris-allyesconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 47bbbb30b4331ec58a74a66a044341f0114b02b3
# save the attached .config to linux build tree
make.cross ARCH=cris
All error/warnings (new ones prefixed by >>):
net/sched/sch_dsmark.c: In function 'dsmark_dequeue':
quoted
quoted
net/sched/sch_dsmark.c:316:1: error: unrecognizable insn:
(insn 245 244 119 15 (set (reg:QI 11 r11 [179])
(and:QI (mem/s/j:QI (reg/f:SI 2 r2 [orig:48 D.44551 ] [48]) [0 D.44551_34->mask+0 S1 A8])
(reg:QI 11 r11 [179]))) include/net/dsfield.h:33 -1
(nil))quoted
quoted
net/sched/sch_dsmark.c:316:1: internal compiler error: in extract_insn, at recog.c:2109
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
vim +316 net/sched/sch_dsmark.c
c76f2a2c4 Yang Yingliang 2013-12-23 310 pr_warn("%s: unsupported protocol %d\n",
d8b9605d2 Jiri Pirko 2015-01-13 311 __func__, ntohs(tc_skb_protocol(skb)));
^1da177e4 Linus Torvalds 2005-04-16 312 break;
3ff50b799 Stephen Hemminger 2007-04-20 313 }
af0d11417 Thomas Graf 2005-06-18 314
^1da177e4 Linus Torvalds 2005-04-16 315 return skb;
^1da177e4 Linus Torvalds 2005-04-16 @316 }
^1da177e4 Linus Torvalds 2005-04-16 317
8e3af9789 Jarek Poplawski 2008-10-31 318 static struct sk_buff *dsmark_peek(struct Qdisc *sch)
8e3af9789 Jarek Poplawski 2008-10-31 319 {
:::::: The code at line 316 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds [off-list ref]
:::::: CC: Linus Torvalds [off-list ref]
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
I assume this is an informational message, and that you'll submit a gcc
bug report ?
Thanks !
quoted
All error/warnings (new ones prefixed by >>):
net/sched/sch_dsmark.c: In function 'dsmark_dequeue':
quoted
quoted
net/sched/sch_dsmark.c:316:1: error: unrecognizable insn:
(insn 245 244 119 15 (set (reg:QI 11 r11 [179])
(and:QI (mem/s/j:QI (reg/f:SI 2 r2 [orig:48 D.44551 ] [48]) [0 D.44551_34->mask+0 S1 A8])
(reg:QI 11 r11 [179]))) include/net/dsfield.h:33 -1
(nil))quoted
quoted
net/sched/sch_dsmark.c:316:1: internal compiler error: in extract_insn, at recog.c:2109
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
I assume this is an informational message, and that you'll submit a gcc
bug report ?
I'm not sure if gcc people would be interested because that's a pretty
old cross compiler for ARCH=cris.
Someday 0day will be able to track regressions in gcc, which may be
useful for them. :)
Thanks,
Fengguang