Date: Wed, 24 Apr 2019 00:35:21 +0000 From: bugzilla-noreply@freebsd.org To: java@FreeBSD.org Subject: [Bug 237208] java/openjdk11: port to powerpc64 Message-ID: <bug-237208-8522-1gCvS07uvo@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-237208-8522@https.bugs.freebsd.org/bugzilla/> References: <bug-237208-8522@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237208 Brandon Bergren <freebsd@bdragon.rtk0.net> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |freebsd@bdragon.rtk0.net --- Comment #13 from Brandon Bergren <freebsd@bdragon.rtk0.net> --- Found it. The FSCR is slightly divergent between the BSP and the APs on the Talos II. ``` root@fledgling-bmc:~# pdbg -a getspr 153 Couldn't open debugfs Couldn't open debugfs p0:c23:t3:spr153: 0x0000000000000184 p0:c23:t2:spr153: 0x0000000000000184 p0:c23:t1:spr153: 0x0000000000000184 p0:c23:t0:spr153: 0x0000000000000184 p0:c22:t3:spr153: 0x0000000000000184 p0:c22:t2:spr153: 0x0000000000000184 p0:c22:t1:spr153: 0x0000000000000184 p0:c22:t0:spr153: 0x0000000000000184 p0:c19:t3:spr153: 0x0000000000000184 p0:c19:t2:spr153: 0x0000000000000184 p0:c19:t1:spr153: 0x0000000000000184 p0:c19:t0:spr153: 0x0000000000000184 p0:c18:t3:spr153: 0x0000000000000184 p0:c18:t2:spr153: 0x0000000000000184 p0:c18:t1:spr153: 0x0000000000000184 p0:c18:t0:spr153: 0x0000000000000184 p0:c17:t3:spr153: 0x0000000000000184 p0:c17:t2:spr153: 0x0000000000000184 p0:c17:t1:spr153: 0x0000000000000184 p0:c17:t0:spr153: 0x0000000000000184 p0:c16:t3:spr153: 0x0000000000000184 p0:c16:t2:spr153: 0x0000000000000184 p0:c16:t1:spr153: 0x0000000000000184 p0:c16:t0:spr153: 0x0000000000000184 p0:c13:t3:spr153: 0x0000000000000184 p0:c13:t2:spr153: 0x0000000000000184 p0:c13:t1:spr153: 0x0000000000000184 p0:c13:t0:spr153: 0x0000000000000184 p0:c12:t3:spr153: 0x0000000000000184 p0:c12:t2:spr153: 0x0000000000000184 p0:c12:t1:spr153: 0x0000000000000184 p0:c12:t0:spr153: 0x0000000000000184 p0:c11:t3:spr153: 0x0000000000000184 p0:c11:t2:spr153: 0x0000000000000184 p0:c11:t1:spr153: 0x0000000000000184 p0:c11:t0:spr153: 0x0000000000000184 p0:c10:t3:spr153: 0x0000000000000184 p0:c10:t2:spr153: 0x0000000000000184 p0:c10:t1:spr153: 0x0000000000000184 p0:c10:t0:spr153: 0x0000000000000184 p0:c9:t3:spr153: 0x0000000000000184 p0:c9:t2:spr153: 0x0000000000000184 p0:c9:t1:spr153: 0x0000000000000184 p0:c9:t0:spr153: 0x0000000000000184 p0:c8:t3:spr153: 0x0000000000000184 p0:c8:t2:spr153: 0x0000000000000184 p0:c8:t1:spr153: 0x0000000000000184 p0:c8:t0:spr153: 0x0000000000000184 p0:c7:t3:spr153: 0x0000000000000184 p0:c7:t2:spr153: 0x0000000000000184 p0:c7:t1:spr153: 0x0000000000000184 p0:c7:t0:spr153: 0x0000000000000184 p0:c5:t3:spr153: 0x0000000000000184 p0:c5:t2:spr153: 0x0000000000000184 p0:c5:t1:spr153: 0x0000000000000184 p0:c5:t0:spr153: 0x0000000000000184 p0:c4:t3:spr153: 0x0000000000000184 p0:c4:t2:spr153: 0x0000000000000184 p0:c4:t1:spr153: 0x0000000000000184 p0:c4:t0:spr153: 0x0000000000000184 p0:c2:t3:spr153: 0x0000000000000184 p0:c2:t2:spr153: 0x0000000000000184 p0:c2:t1:spr153: 0x0000000000000184 p0:c2:t0:spr153: 0x0000000000000184 p0:c1:t3:spr153: 0x0000000000000184 p0:c1:t2:spr153: 0x0000000000000184 p0:c1:t1:spr153: 0x0000000000000184 p0:c1:t0:spr153: 0x0000000000000184 p0:c0:t3:spr153: 0x0000000000000184 p0:c0:t2:spr153: 0x0000000000000184 p0:c0:t1:spr153: 0x0000000000000184 p0:c0:t0:spr153: 0x0000000000000180 ``` So, if a process is created on anything but cpu0 it will detect the DSCR as being available. If it later migrates to cpu0, it will cause a facility unavailable trap if it tries to mess with the DSCR, and the kernel handles = this by SIGILL. --=20 You are receiving this mail because: You are the assignee for the bug.=
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