From mboxrd@z Thu Jan 1 00:00:00 1970 From: Uros Prestor Date: Thu, 11 Jan 2001 20:12:38 +0000 Subject: Re: [Linux-ia64] Kernel panic in dtlb_fault Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: linux-ia64@vger.kernel.org David Mosberger wrote: > Are you sure you picked up the new kernel? Try "objdump -d" on > vmlinux and verify that itlb_fault ends with "b0" being restored. This is the disassembly output of itlb_fault: e000000000500400 : e000000000500400: 00 80 00 28 24 04 [MII] mov r16=3Dcr20 e000000000500406: d0 01 00 62 00 e0 mov r29=B0 e00000000050040c: 03 00 cc 00 mov r31=3Dpr e000000000500410: 05 88 00 32 24 44 [MLX] mov r17=3Dcr25 e000000000500416: 00 00 00 00 60 c0 movl r30=3D0xe0= 0000000 0500420;; e00000000050041c: 03 02 22 68 e000000000500420: 0a 90 00 22 18 10 [MMI] ld8 r18=3D[r17]= ;; e000000000500426: 00 00 00 02 00 c0 nop.m 0x0 e00000000050042c: 00 90 00 50 tbit.z p6,p0=3D= r18,0 e000000000500430: 11 00 00 00 01 00 [MIB] nop.m 0x0 e000000000500436: 00 00 00 02 00 03 nop.i 0x0 e00000000050043c: 98 0c 00 41 (p06) br.cond.spnt.ma= ny e0 000000005010c0 ;; e000000000500440: 0a 00 48 00 2f 04 [MMI] itc.i r18;; e000000000500446: 00 00 00 02 00 00 nop.m 0x0 e00000000050044c: d0 09 00 07 mov b0=3Dr29 e000000000500450: 11 00 00 00 01 00 [MIB] nop.m 0x0 e000000000500456: f0 ff c0 bf 05 00 mov pr=3Dr31,0x= fffffff ffffffffe e00000000050045c: 00 00 20 00 rfi;; Seems like the b0 register is getting restored correctly. Uros -- Uros Prestor uros@turbolinux.com