Date: Mon, 19 Aug 2002 09:30:04 -0700 (PDT) From: Maksim Yevmenkin <m_evmenkin@yahoo.com> To: freebsd-gnats-submit@FreeBSD.org Subject: ports/41784: vmware2 causes panic on recent -current Message-ID: <200208191630.g7JGU4u9071886@www.freebsd.org>
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>Number: 41784
>Category: ports
>Synopsis: vmware2 causes panic on recent -current
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-ports
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Aug 19 09:40:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Maksim Yevmenkin
>Release: 5.0-CURRENT FreeBSD
>Organization:
>Environment:
FreeBSD beetle.digisle.com 5.0-CURRENT FreeBSD 5.0-CURRENT #32: Fri Aug 16 16:16:01 PDT 2002 max@beetle.digisle.com:/usr/src/sys/i386/compile/BEETLE i386
>Description:
The emulators/vmware2 port does not work on -current. The system panics with
the following trace.
GNU gdb 5.2.0 (FreeBSD) 20020627
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-undermydesk-freebsd"...
panic: bremfree: bp 0xc5536e30 not locked
panic messages:
---
panic: mutex vm page queue mutex not owned at ../../../vm/vm_page.c:1275
syncing disks... panic: bremfree: bp 0xc5536e30 not locked
Uptime: 1m18s
pfs_vncache_unload(): 5 entries remaining
/dev/vmmon: Module vmmon: unloaded
Dumping 191 MB
ata0: resetting devices ..
done
16 32[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] 48[CTRL-C to abort]
[CTRL-C to abort] [CTRL-C to abort] 64 80 96 112 128 144 160 176
---
#0 doadump () at ../../../kern/kern_shutdown.c:213
213 dumping++;
(kgdb) bt
#0 doadump () at ../../../kern/kern_shutdown.c:213
#1 0xc01934ed in boot (howto=260) at ../../../kern/kern_shutdown.c:345
#2 0xc0193718 in panic () at ../../../kern/kern_shutdown.c:493
#3 0xc01d41a7 in bremfree (bp=0xc02ea5e5) at ../../../kern/vfs_bio.c:633
#4 0xc02666f7 in ffs_fsync (ap=0xcaf4d81c) at ../../../ufs/ffs/ffs_vnops.c:213
#5 0xc0265d17 in ffs_sync (mp=0xc1812400, waitfor=2, cred=0xc0d70f00,
td=0xc0312f00) at vnode_if.h:545
#6 0xc01e6ab8 in sync (td=0xc0312f00, uap=0x0)
at ../../../kern/vfs_syscalls.c:129
#7 0xc019310c in boot (howto=256) at ../../../kern/kern_shutdown.c:254
#8 0xc0193718 in panic () at ../../../kern/kern_shutdown.c:493
#9 0xc0189ffc in _mtx_assert (m=0xc02e2388, what=0,
file=0xc187bb40 "ю*╓аЬ*╓а", line=256) at ../../../kern/kern_mutex.c:800
#10 0xc02839e0 in vm_page_wire (m=0xc02e2388) at ../../../vm/vm_page.c:1275
#11 0xc182b79b in ?? ()
#12 0xc182b978 in ?? ()
#13 0xc182a374 in ?? ()
#14 0xc182b226 in ?? ()
#15 0xc0167a72 in spec_ioctl (ap=0xc02e2388)
at ../../../fs/specfs/spec_vnops.c:322
#16 0xc0167658 in spec_vnoperate (ap=0x0)
at ../../../fs/specfs/spec_vnops.c:124
#17 0xc02729b8 in ufs_vnoperatespec (ap=0x0)
at ../../../ufs/ufs/ufs_vnops.c:2788
#18 0xc01ee5c1 in vn_ioctl (fp=0x100, com=3246897984, data=0xcaf4dc14,
td=0xc187bb40) at vnode_if.h:437
#19 0xc01b5f0c in ioctl (td=0xc187bb40, uap=0xcaf4dd10) at file.h:222
#20 0xc182ca5c in ?? ()
#21 0xc191bfba in ?? ()
#22 0xc02b9d41 in syscall (frame=
{tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 136771792, tf_esi = 0, tf_eb
p = -1077937624, tf_isp = -889922188, tf_ebx = 10, tf_edx = 681095168, tf_ecx =
207, tf_eax = 54, tf_trapno = 12, tf_err = 2, tf_eip = 675667748, tf_cs = 31, tf
_eflags = 12946, tf_esp = -1077938716, tf_ss = 47})
at ../../../i386/i386/trap.c:1050
#23 0xc02aa78d in Xint0x80_syscall () at {standard input}:140
---Can't read userspace from dump, or kernel process---
>How-To-Repeat:
Install emulators/vmware2 port and try to run it. The system will panic as
soon as virtual machine is powered on.
>Fix:
The following patch for
vmware2/work/vmware-distrib/vmmon-only/freebsd/hostif.c
fixes problem for me. I not an expert in FreeBSDn VM, so i'm not sure about
GIANT_REQUIRED part.
--- hostif.c.1 Sun Aug 18 10:06:38 2002
+++ hostif.c Sun Aug 18 10:29:08 2002
@@ -110,12 +110,18 @@
paddr = (vm_offset_t)addr;
m = PHYS_TO_VM_PAGE(paddr);
+#if __FreeBSD_version >= 500038
+ vm_page_lock_queues();
+#endif
#if __FreeBSD_version >= 500021
GIANT_REQUIRED;
#elif __FreeBSD_version >= 500013
mtx_lock(&vm_mtx);
#endif
vm_page_wire(m);
+#if __FreeBSD_version >= 500038
+ vm_page_unlock_queues();
+#endif
#if __FreeBSD_version >= 500021
#elif __FreeBSD_version >= 500013
mtx_unlock(&vm_mtx);
@@ -132,12 +138,18 @@
paddr = (vm_offset_t)addr;
m = PHYS_TO_VM_PAGE(paddr);
+#if __FreeBSD_version >= 500038
+ vm_page_lock_queues();
+#endif
#if __FreeBSD_version >= 500021
GIANT_REQUIRED;
#elif __FreeBSD_version >= 500013
mtx_lock(&vm_mtx);
#endif
vm_page_unwire(m, 1);
+#if __FreeBSD_version >= 500038
+ vm_page_unlock_queues();
+#endif
#if __FreeBSD_version >= 500021
#elif __FreeBSD_version >= 500013
mtx_unlock(&vm_mtx);
@@ -1087,6 +1099,9 @@
return NULL;
}
paddr = vtophys(addr);
+#if __FreeBSD_version >= 500038
+ vm_page_lock_queues();
+#endif
#if __FreeBSD_version >= 500021
GIANT_REQUIRED;
#elif __FreeBSD_version >= 500013
@@ -1096,6 +1111,9 @@
ka->map = PHYS_TO_VM_PAGE(paddr);
vm_page_wire(ka->map);
pmap_kenter(ka->kaddr, paddr);
+#if __FreeBSD_version >= 500038
+ vm_page_unlock_queues();
+#endif
#if __FreeBSD_version >= 500021
#elif __FreeBSD_version >= 500013
mtx_unlock(&vm_mtx);
@@ -1109,6 +1127,9 @@
if (ka->map==NULL)
return 0;
+#if __FreeBSD_version >= 500038
+ vm_page_lock_queues();
+#endif
#if __FreeBSD_version >= 500021
GIANT_REQUIRED;
#elif __FreeBSD_version >= 500013
@@ -1117,6 +1138,9 @@
vm_page_unwire(ka->map, 1);
pmap_kremove(ka->kaddr);
kmem_free(kernel_map, ka->kaddr, PAGE_SIZE);
+#if __FreeBSD_version >= 500038
+ vm_page_unlock_queues();
+#endif
#if __FreeBSD_version >= 500021
#elif __FreeBSD_version >= 500013
mtx_unlock(&vm_mtx);
>Release-Note:
>Audit-Trail:
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