Date: Mon, 29 May 2017 11:50:34 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 219399] System panics after several hours of 14-threads-compilation orgies using poudriere on AMD Ryzen... Message-ID: <bug-219399-8-CeglQ3vEmm@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-219399-8@https.bugs.freebsd.org/bugzilla/> References: <bug-219399-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219399 --- Comment #3 from Nils Beyer <nbe@renzel.net> --- Unfortunately, it seems it's not relevant; I've inserted the code from the first link: ---------------------------------------------------------------------------= ----- root@asbach:/usr/src/#svnlite diff Index: sys/amd64/amd64/sigtramp.S =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- sys/amd64/amd64/sigtramp.S (revision 319101) +++ sys/amd64/amd64/sigtramp.S (working copy) @@ -47,6 +47,13 @@ 0: hlt /* trap priviliged instruction */ jmp 0b + /* + * Work around a Ryzen bug (say whut?). There appears to be an + * issue with the kernel iretq'ing to a %rip near the end of the + * user address space (top of stack). + */ + .space 1088 + ALIGN_TEXT esigcode: ---------------------------------------------------------------------------= ----- compiled the kernel, rebooted and started a poudriere bulk build. Crashed a= fter 3h34min with: panic: vm_fault: fault on nofault entry, addr: fffffe00131fb000 --=20 You are receiving this mail because: You are the assignee for the bug.=
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