Date: Tue, 22 Sep 2020 14:45:01 -0500 From: "Brandon Bergren" <bdragon@FreeBSD.org> To: "Mark Millard" <marklmi@yahoo.com> Cc: "FreeBSD PowerPC ML" <freebsd-ppc@freebsd.org> Subject: =?UTF-8?Q?Re:_head_-r365932_on_PowerMac_G5_(2_dual-core_sockets):_Crashe?= =?UTF-8?Q?s_before_login_prompt_if_powerd_is_enabled_in_/etc/rc.conf?= Message-ID: <92f57afb-33cb-4d38-be17-4b8c81cb9c89@www.fastmail.com> In-Reply-To: <B4D16405-1B0C-4500-866F-75F32FED235A@yahoo.com> References: <52783D16-5DCA-45BC-9238-2518326454A1@yahoo.com> <6E99EE39-D2B8-415A-A5BF-823C0F0C22D6@yahoo.com> <cd9d2b72-219f-4550-a437-4ac3aa1da66d@www.fastmail.com> <AF27169A-00FC-4984-83C2-307EA885D7A1@yahoo.com> <11fe573a-24c3-47be-95ed-c601ec54f168@www.fastmail.com> <E23CF7F6-B69C-44C7-B356-4AB65E011268@yahoo.com> <B4D16405-1B0C-4500-866F-75F32FED235A@yahoo.com>
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On Tue, Sep 22, 2020, at 2:35 PM, Mark Millard wrote: > > Seems to target 32 bit powerpc but the context I'm reporting is > for powerpc64 overall. May be the mis-compiles are not limited > to 32-bit powerpc variants? DOH! You're right, Try a build with _MINUS_O forced to -O2 and see if that fixes things. FWIW, there is a differential to change the default across the board @ https://reviews.freebsd.org/D26471 because the whole "inlines are not inlining" problem affects everything. The change boils down to LLVM 11 changing their default of what -O "means" to be -O1 instead of -O2, which breaks a bunch of kernel assumptions regarding inlining. -- Brandon Bergren bdragon@FreeBSD.org
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