Date: Wed, 18 Sep 2002 17:18:25 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: freebsd-alpha@freebsd.org Subject: Module loading broken on -stable/alpha Message-ID: <XFMail.20020918171825.jdp@polstra.com>
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Has anybody tried to kldload any modules in -stable lately? Yesterday
I upgraded my Alpha system to 4.7-RC, and it appears that module
loading is broken. Attempting to kldload any module (well, I tried
blank_saver and if_fxp) yields an instant memory management fault
panic, like this:
fatal kernel trap:
trap entry = 0x2 (memory management fault)
a0 = 0xfffffe00008e52d8
a1 = 0x1
a2 = 0x0
pc = 0xfffffc0000365c74
ra = 0xfffffc0000365c18
curproc = 0xfffffe0005a4d700
pid = 161, comm = kldload
The PC is always the same, though a0 varies. The topmost two relevant
stack frames according to DDB are:
linker_file_sysinit+0x94
linker_load_file+0xdc
GDB shows this as the offending source code:
(kgdb) list *linker_file_sysinit+0x94
0xfffffc0000365c74 is in linker_file_sysinit (../../kern/kern_linker.c:113).
108 if (!sysinits)
109 return 0; /* XXX is this correct ? No sysinit ? */
110
111 /* HACK ALERT! */
112 for (sipp = (struct sysinit **)sysinits->ls_items; *sipp; sipp++) {
113 if ((*sipp)->func == module_register_init) {
114 moddata = (*sipp)->udata;
115 error = module_register(moddata, lf);
116 if (error) {
117 printf("linker_file_sysinit \"%s\" failed to register! %d\n",
My kernel + modules + world are definitely in sync with each other.
The dmesg output is below.
Is anybody else seeing this problem?
John
Copyright (c) 1992-2002 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 4.7-RC #0: Wed Sep 18 14:38:38 PDT 2002
jdp@alpha.polstra.com:/usr/src/sys/compile/ALPHA
EB164
Digital AlphaPC 164LX 533 MHz, 531MHz
8192 byte page size, 1 processor.
CPU: EV56 (21164A) major=7 minor=2 extensions=0x1<BWX>
OSF PAL rev: 0x1000200020117
real memory = 132046848 (128952K bytes)
avail memory = 123936768 (121032K bytes)
Preloaded elf kernel "kernel" at 0xfffffc00005f2000.
cia0: Pyxis, pass 1
cia0: extended capabilities: 1<BWEN>
pcib0: <2117x PCI host bus adapter> on cia0
pci0: <PCI bus> on pcib0
dc0: <Intel 21143 10/100BaseTX> port 0x1100-0x117f mem 0x82271100-0x8227117f irq 0
at device 6.0 on pci0
dc0: interrupting at CIA irq 0
dc0: Ethernet address: 08:00:2b:c5:3b:2d
miibus0: <MII bus> on dc0
dcphy0: <Intel 21143 NWAY media interface> on miibus0
dcphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
sym0: <875> port 0x1000-0x10ff mem 0x82270000-0x82270fff,0x82271000-0x822710ff irq 1
at device 7.0 on pci0
sym0: Symbios NVRAM, ID 7, Fast-20, SE, parity checking
sym0: open drain IRQ line driver, using on-chip SRAM
sym0: using LOAD/STORE-based firmware.
sym0: interrupting at CIA irq 1
isab0: <Intel 82378IB PCI to ISA bridge> at device 8.0 on pci0
isa0: <ISA bus> on isab0
pci0: <Trident model 9440 VGA-compatible display device> at 9.0 irq 3
pci0: <CMD 646 ATA controller> at 11.0 irq 5
mcclock0: <MC146818A real time clock> at port 0x70-0x71 on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
atkbd0: interrupting at ISA irq 1
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: interrupting at ISA irq 12
psm0: model Generic PS/2 mouse, device ID 0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> on isa0
sc0: VGA <16 virtual consoles, flags=0x200>
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: interrupting at ISA irq 6
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
sio0 at port 0x3f8-0x3ff irq 4 on isa0
sio0: type 16550A
sio0: interrupting at ISA irq 4
sio1: reserved for low-level i/o
Timecounter "alpha" frequency 533179008 Hz
Waiting 2 seconds for SCSI devices to settle
(noperiph:sym0:0:-1:-1): SCSI BUS reset delivered.
Mounting root from ufs:/dev/da0f
cd0 at sym0 bus 0 target 5 lun 0
cd0: <TOSHIBA CD-ROM XM-6401TA 1015> Removable CD-ROM SCSI-2 device
cd0: 20.000MB/s transfers (20.000MHz, offset 16)
cd0: Attempt to query device size failed: NOT READY, Medium not present
da1 at sym0 bus 0 target 1 lun 0
da1: <IBM DNES-309170W SAH0> Fixed Direct Access SCSI-3 device
da1: 40.000MB/s transfers (20.000MHz, offset 16, 16bit), Tagged Queueing Enabled
da1: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C)
da0 at sym0 bus 0 target 0 lun 0
da0: <IBM DDRS-39130D DC1B> Fixed Direct Access SCSI-2 device
da0: 40.000MB/s transfers (20.000MHz, offset 15, 16bit), Tagged Queueing Enabled
da0: 8715MB (17850000 512 byte sectors: 255H 63S/T 1111C)
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