Date: Mon, 25 Feb 2008 04:12:52 GMT From: Kip Macy <kmacy@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 136141 for review Message-ID: <200802250412.m1P4CqiO020084@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=136141 Change 136141 by kmacy@pandemonium:kmacy:xen31 on 2008/02/25 04:12:29 increase logging - log SIGSEGV as well Affected files ... .. //depot/projects/xen31/sys/i386/i386/trap.c#10 edit Differences ... ==== //depot/projects/xen31/sys/i386/i386/trap.c#10 (text+ko) ==== @@ -745,7 +745,7 @@ { vm_offset_t va; struct vmspace *vm = NULL; - vm_map_t map; + vm_map_t map = NULL; int rv = 0; vm_prot_t ftype = 0; struct thread *td = curthread; @@ -834,10 +834,30 @@ return (-1); } #ifdef XEN - if (rv == KERN_PROTECTION_FAILURE) - log(LOG_ERR, "SIGBUS: p=%s va=0x%x ftype=0x%x eip=0x%x\n", p->p_comm, va, ftype, frame->tf_eip); + if (rv) { + pt_entry_t pteval = 0; + + if (PTD[va >> PDRSHIFT]) + pteval = *(vtopte(va)); + if (rv == KERN_PROTECTION_FAILURE) { + + CTR5(KTR_PMAP, "SIGBUS: p=%s va=0x%08x ftype=0x%x eip=0x%08x tf_err=0x%x *pte=%08x", + p->p_comm, va, ftype, frame->tf_eip, (u_long)(pteval & 0xffffffff)); + CTR4(KTR_PMAP,"\t pte=0x%08x map=%p pmap=%p err=0x%x", + vtopte(va), map, &p->p_vmspace->vm_pmap, frame->tf_err); + log(LOG_ERR, "SIGBUS: p=%s va=0x%x ftype=0x%x eip=0x%x err=%d *pte=0x%016jx\n", + p->p_comm, va, ftype, frame->tf_eip, frame->tf_err, pteval); + } else { + CTR5(KTR_PMAP, "SIGSEGV: p=%s va=0x%08x ftype=0x%x eip=0x%08x tf_err=0x%x *pte=%08x", + p->p_comm, va, ftype, frame->tf_eip, (u_long)(pteval & 0xffffffff)); + CTR4(KTR_PMAP,"\t pte=0x%08x map=%p pmap=%p err=0x%x", + vtopte(va), map, &p->p_vmspace->vm_pmap, frame->tf_err); + log(LOG_ERR, "SIGSEGV: p=%s va=0x%x ftype=0x%x eip=0x%x err=%d *pte=0x%016jx\n", + p->p_comm, va, ftype, frame->tf_eip, frame->tf_err, pteval); + } + + } #endif - return((rv == KERN_PROTECTION_FAILURE) ? SIGBUS : SIGSEGV); }
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