This bug was fixed in the package linux - 5.8.0-16.17
---------------
linux (5.8.0-16.17) groovy; urgency=medium
* groovy/linux: 5.8.0-16.17 -proposed tracker (LP: #1891233)
* Miscellaneous Ubuntu changes
- hio -- Update to use bio_{start,end}_io_acct with 5.8+
- Enable hio driver
- [Packaging] Temporarily disable building doc package contents
linux (5.8.0-15.16) groovy; urgency=medium
* groovy/linux: 5.8.0-15.16 -proposed tracker (LP: #1891177)
* Miscellaneous Ubuntu changes
- SAUCE: Documentation: import error c_funcptr_sig_re, c_sig_re (sphinx-
doc/sphinx@0f49e30c)
linux (5.8.0-14.15) groovy; urgency=medium
* groovy/linux: 5.8.0-14.15 -proposed tracker (LP: #1891085)
* Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
* msg_zerocopy.sh in net from ubuntu_kernel_selftests failed (LP: #1812620)
- selftests/net: relax cpu affinity requirement in msg_zerocopy test
* Fix missing HDMI/DP Audio on an HP Desktop (LP: #1890441)
- ALSA: hda/hdmi: Add quirk to force connectivity
* Add initial audio support for Lenovo ThinkStation P620 (LP: #1890317)
- ALSA: usb-audio: Add support for Lenovo ThinkStation P620
* Fix IOMMU error on AMD Radeon Pro W5700 (LP: #1890306)
- PCI: Mark AMD Navi10 GPU rev 0x00 ATS as broken
* Enlarge hisi_sec2 capability (LP: #1890222)
- crypto: hisilicon - update SEC driver module parameter
* Miscellaneous Ubuntu changes
- [Config] Re-enable signing for ppc64el
-- Seth Forshee <[email protected]> Tue, 11 Aug 2020 15:32:58
-0500
** Changed in: linux (Ubuntu Groovy)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/1887397
Title:
perf build broken after updating to bintuils 2.34.90.20200706-1ubuntu1
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Groovy:
Fix Released
Status in linux package in Debian:
New
Bug description:
After updating to binutils 2.34.90.20200706-1ubuntu1 Linux' perf build
is failing with the following error:
/usr/bin/ld:/tmp/autopkgtest.440kEd/build.N7g/src/debian/build/tools-perarch/tools/lib/traceevent/plugins/libtraceevent-dynamic-list:2:
ignoring invalid character `@' in script
/usr/bin/ld:/tmp/autopkgtest.440kEd/build.N7g/src/debian/build/tools-perarch/tools/lib/traceevent/plugins/libtraceevent-dynamic-list:2:
ignoring invalid character `@' in script
/usr/bin/ld:/tmp/autopkgtest.440kEd/build.N7g/src/debian/build/tools-perarch/tools/lib/traceevent/plugins/libtraceevent-dynamic-list:2:
syntax error in dynamic list
collect2: error: ld returned 1 exit status
The file mentioned in the error (libtraceevent-dynamic-list) contains
some '@' that ld doesn't seem to like:
$ cat lib/traceevent/plugins/libtraceevent-dynamic-list
{
__stack_chk_fail@@GLIBC_2.4;
free@@GLIBC_2.2.5;
memset@@GLIBC_2.2.5;
realloc@@GLIBC_2.2.5;
sprintf@@GLIBC_2.2.5;
strcmp@@GLIBC_2.2.5;
strdup@@GLIBC_2.2.5;
strncmp@@GLIBC_2.2.5;
tep_find_any_field;
tep_find_field;
tep_find_function;
tep_find_function_address;
tep_get_field_raw;
tep_get_field_val;
tep_is_file_bigendian;
tep_is_local_bigendian;
tep_plugin_add_options;
tep_plugin_remove_options;
tep_print_func_field;
tep_print_num_field;
tep_read_number_field;
tep_register_comm;
tep_register_event_handler;
tep_register_print_function;
tep_unregister_event_handler;
tep_unregister_print_function;
trace_seq_printf;
trace_seq_putc;
trace_seq_puts;
trace_seq_terminate;
warning;
};
The same file generated in a Focal environment (w/ binutils
2.34-6ubuntu1) looks as following:
$ cat lib/traceevent/plugins/libtraceevent-dynamic-list
{
__stack_chk_fail;
free;
memset;
realloc;
sprintf;
strcmp;
strdup;
strncmp;
tep_find_any_field;
tep_find_field;
tep_find_function;
tep_find_function_address;
tep_get_field_raw;
tep_get_field_val;
tep_is_file_bigendian;
tep_is_local_bigendian;
tep_plugin_add_options;
tep_plugin_remove_options;
tep_print_func_field;
tep_print_num_field;
tep_read_number_field;
tep_register_comm;
tep_register_event_handler;
tep_register_print_function;
tep_unregister_event_handler;
tep_unregister_print_function;
trace_seq_printf;
trace_seq_putc;
trace_seq_puts;
trace_seq_terminate;
warning;
};
And here is the chunk of Makefile that is generating this file:
define do_generate_dynamic_list_file
symbol_type=`$(NM) -u -D $1 | awk 'NF>1 {print $$1}' | \
xargs echo "U w W" | tr 'w ' 'W\n' | sort -u | xargs echo`;\
if [ "$$symbol_type" = "U W" ];then \
(echo '{'; \
$(NM) -u -D $1 | awk 'NF>1 {print "\t"$$2";"}' | sort -u;\
echo '};'; \
) > $2; \
else \
(echo Either missing one of [$1] or bad version of $(NM))
1>&2;\
fi
My guess is that something changed in the output of `nm` to show the @
charaters that ld does not like.
This problem is currently breaking all kernel builds in Groovy.
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