Date: Tue, 25 Jul 2023 00:46:35 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 266730] powerpc kernel crash on loadable modules that use copyin/copyout ifunc Message-ID: <bug-266730-227-uviuIEGIYK@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-266730-227@https.bugs.freebsd.org/bugzilla/> References: <bug-266730-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266730 John F. Carr <jfc@mit.edu> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jfc@mit.edu --- Comment #4 from John F. Carr <jfc@mit.edu> --- I saw what may be the same crash on amd64 running 12.4-CURRENT, first boot after upgrading from 12.3. I started the microcode_update service and the system promptly crashed. #4 0xffffffff810d66af in trap_fatal (frame=<value optimized out>, eva=<value optimized out>) at /data/freebsd/12/sys/amd64/amd64/trap.c:921 #5 0xffffffff810d66ff in trap_pfault (frame=0xfffffe002f78f9e0, signo=<value optimized out>, ucode=<value optimized out>) at pcpu_aux.h:55 #6 0xffffffff810aec68 in calltrap () at /data/freebsd/12/sys/amd64/amd64/exception.S:289 #7 0xffffffff810d2b73 in copyout_nosmap_std () at /data/freebsd/12/sys/amd64/amd64/support.S:805 #8 0xffffffff80c29f2d in uiomove_faultflag (cp=0xfffffe002686a000, n=98, uio=0xfffffe002f78fba0, nofault=<value optimized out>) at /data/freebsd/12/sys/kern/subr_uio.c:254 #9 0xffffffff80c32333 in pipe_read (fp=0xfffff80012598550, uio=0xfffffe002f78fba0, active_cred=<value optimized out>, flags=<value optimized out>, td=<value optimized out>) at /data/freebsd/12/sys/kern/sys_pipe.c:712 #10 0xffffffff80c2f3a5 in dofileread (td=<value optimized out>, fd=0, fp=<value optimized out>, auio=0xfffffe002f78fba0, offset=<value optimized out>, flags=<value optimized out>) at file.h:317 #11 0xffffffff80c2ef20 in sys_read (td=0xfffff8001cade740, uap=Unhandled dwarf expression opcode 0xa3 ) at /data/freebsd/12/sys/kern/sys_generic.c:289 #12 0xffffffff810d7267 in amd64_syscall (td=0xfffff8001cade740, traced=0) at subr_syscall.c:144 #13 0xffffffff810af58e in fast_syscall_common () at /data/freebsd/12/sys/amd64/amd64/exception.S:582 The active process was "logger". -- You are receiving this mail because: You are the assignee for the bug.help
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