https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68759
Bug ID: 68759 Summary: [6 Regression] Linux kernel build failure on ppc64le Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: trippels at gcc dot gnu.org CC: uweigand at gcc dot gnu.org Target Milestone: --- Host: powerpc64le-unknown-linux-gnu Target: powerpc64le-unknown-linux-gnu Build: powerpc64le-unknown-linux-gnu Building the Linux kernel (allyesconfig) fails on ppc64le: ... BOOTCC arch/powerpc/boot/inftrees.o BOOTCC arch/powerpc/boot/inflate.o BOOTAR arch/powerpc/boot/wrapper.a WRAP arch/powerpc/boot/zImage.pseries WRAP arch/powerpc/boot/zImage.epapr ERROR: "__connect" [virt/lib/irqbypass.ko] undefined! ERROR: "snd_usX2Y_pcm_pointer" [sound/usb/usx2y/snd-usb-usx2y.ko] undefined! ERROR: "snd_us428ctls_poll" [sound/usb/usx2y/snd-usb-usx2y.ko] undefined! ERROR: "i_usX2Y_Out04Int" [sound/usb/usx2y/snd-usb-usx2y.ko] undefined! ERROR: "snd_usbmidi_output_standard_packet" [sound/usb/snd-usbmidi-lib.ko] undefined! ERROR: "usb_chmap_ctl_info" [sound/usb/snd-usb-audio.ko] undefined! ERROR: "ignore_interface_quirk" [sound/usb/snd-usb-audio.ko] undefined! ERROR: "proc_audio_usbid_read" [sound/usb/snd-usb-audio.ko] undefined! ERROR: "retire_capture_urb" [sound/usb/snd-usb-audio.ko] undefined! ERROR: "scarlett_ctl_switch_info" [sound/usb/snd-usb-audio.ko] undefined! ERROR: "snd_usb_sbrc_hwdep_poll" [sound/usb/snd-usb-audio.ko] undefined! ERROR: "parse_uac2_sample_rate_range" [sound/usb/snd-usb-audio.ko] undefined! ERROR: "wait_clear_urbs" [sound/usb/snd-usb-audio.ko] undefined! ERROR: "__uac_clock_find_source" [sound/usb/snd-usb-audio.ko] undefined! ERROR: "__usb_audio_resume" [sound/usb/snd-usb-audio.ko] undefined! ERROR: "usb_error_string" [sound/usb/misc/snd-ua101.ko] undefined! ... gcc-5 is fine and gcc-6 was fine a few weeks ago. Haven't looked deeper yet, but I suspect the issue is caused by r231202.