Date: Fri, 14 Jun 2002 19:03:41 -0700 (PDT) From: Julian Elischer <julian@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 12958 for review Message-ID: <200206150203.g5F23fE10726@freefall.freebsd.org>
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http://people.freebsd.org/~peter/p4db/chv.cgi?CH=12958 Change 12958 by julian@julian_jules1 on 2002/06/14 19:02:43 debugging Affected files ... ... //depot/projects/kse/sys/i386/i386/vm_machdep.c#55 edit ... //depot/projects/kse/sys/kern/kern_proc.c#68 edit ... //depot/projects/kse/sys/kern/subr_trap.c#65 edit Differences ... ==== //depot/projects/kse/sys/i386/i386/vm_machdep.c#55 (text+ko) ==== @@ -379,6 +379,7 @@ pcb2->pcb_esp = (int)td->td_frame - sizeof(void *); /* trampoline arg */ pcb2->pcb_ebx = (int)td; /* trampoline arg */ pcb2->pcb_eip = (int)fork_trampoline; + pcb2->pcb_psl &= ~(PSL_I); /* interrupts must be disabled */ /* * If we didn't copy the pcb, we'd need to do the following registers: * pcb2->pcb_dr*: cloned above. ==== //depot/projects/kse/sys/kern/kern_proc.c#68 (text+ko) ==== @@ -201,7 +201,6 @@ return(ENOSYS); } - /* * No new KSEG: first call: use current KSE, don't schedule an upcall * All other situations, do alloate a new KSE and schedule an upcall on it. ==== //depot/projects/kse/sys/kern/subr_trap.c#65 (text+ko) ==== @@ -202,6 +202,7 @@ if (td->td_flags & TDF_UPCALLING) { CTR3(KTR_PROC, "userret: upcall thread %p (pid %d, %s)", td, p->p_pid, p->p_comm); +printf("Upcalling!\n"); /* * Make sure that it has the correct frame loaded. * While we know that we are on the same KSEGRP @@ -229,6 +230,8 @@ error = suword((caddr_t)td->td_kse->ke_mailbox + offsetof(struct kse_mailbox, kmbx_current_thread), 0); +printf("suword mailbox to 0 error: %d, frame= %p, eip=%p, esp=%p\n", error, +frame, frame->tf_eip, frame->tf_esp); } /* * Stop any chance that we may be separated from To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe p4-projects" in the body of the message
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