Re: kernel/3743: kernel panic: uvm_fault: ffs

[Marco Peereboom <slash_(_at_)_peereboom_(_dot_)_us>]

The following reply was made to PR kernel/3743; it has been noted by GNATS.

From: Marco Peereboom <slash_(_at_)_peereboom_(_dot_)_us>
To: craig_(_at_)_copi_(_dot_)_org
Cc: gnats_(_at_)_openbsd_(_dot_)_org
Subject: Re: kernel/3743: kernel panic: uvm_fault: ffs
Date: Sun, 11 Apr 2004 23:18:36 -0500

 Dude your drive is dead or dying (or maybe the cable sucks).  Replace  
 the drive ASAP!
 
 This is not a software issue.
 
 On Apr 11, 2004, at 9:19 PM, craig_(_at_)_copi_(_dot_)_org wrote:
 
 >> Number:         3743
 >> Category:       kernel
 >> Synopsis:       kernel panic: uvm_fault: ffs
 >> Confidential:   yes
 >> Severity:       serious
 >> Priority:       medium
 >> Responsible:    bugs
 >> State:          open
 >> Quarter:
 >> Keywords:
 >> Date-Required:
 >> Class:          sw-bug
 >> Submitter-Id:   net
 >> Arrival-Date:   Mon Apr 12 04:10:02 GMT 2004
 >> Closed-Date:
 >> Last-Modified:
 >> Originator:     Craig J Copi
 >> Release:        OpenBSD 3.4-stable (GENERIC) #13: Tue Mar  9 14:12:13  
 >> EST 2004
 >> Organization:
 > net
 >> Environment:
 > 	
 > 	System      : OpenBSD 3.4
 > 	Architecture: OpenBSD.i386
 > 	Machine     : i386
 >> Description:
 > 	Generic kernel with patches through patch 13 from CVS stable branch.
 > 	Kernel panic ended in debugger.  Disk could not be synced.  This
 > 	has happened 2 or 3 times now since January (after upgrade to
 > 	3.4).  There are two drives in the machine (from dmegs)
 > wd0 at pciide0 channel 0 drive 0: <WDC WD307AA-00BAA0>
 > wd0: 16-sector PIO, LBA, 29333MB, 16383 cyl, 16 head, 63 sec, 60074784  
 > sectors
 > wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 4
 > wd1 at pciide0 channel 1 drive 0: <WDC WD800JB-00CRA1>
 > wd1: 16-sector PIO, LBA, 76319MB, 16383 cyl, 16 head, 63 sec,  
 > 156301488 sectors
 > wd1(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 4
 > 	During boot the following messages appear:
 >  /bsd: wd1a:  aborted command, interface CRC error reading fsbn 176 of  
 > 176-287 (wd1 bn 239; cn 0 tn 3 sn 50), retrying
 >  /bsd: wd1: transfer error, downgrading to Ultra-DMA mode 3
 >  /bsd: wd1(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 3
 >  /bsd: wd1a:  aborted command, interface CRC error reading fsbn 176 of  
 > 176-287 (wd1 bn 239; cn 0 tn 3 sn 50), retrying
 >  /bsd: wd1: soft error (corrected)
 > 	This time it happened when nothing unusual was going on.  One
 > 	other time when I think a similar error occured (no debugging
 > 	info obtained) an rsync was in process to wd1.
 >
 > TRACE FROM DDB (copied by hand):
 > uvm_fault(0xd0546a80, 0xdadb3000, 0, 1) -> e
 > kernal: page fault trap, code=0
 > Stopped at      bufq_default_add+0x14:  movb    0x112(%eax),%dl
 > bufq_default_add(d08ee8bc,d397fa6c,d08efc00,0,d397fa6c,0,4,d0400a98,530 
 > 5,2000,dad72db4, ...) at bufq_default_add+0x14
 > wdstrategy(d397fa6c,297,40,d08d3dc0,0) at wdstrategy+0xf2
 > spec_strategy(dad72dfc,10,10,40,dad65500) at spec_strategy+0x40
 > spec_vnoperate(dad72dfc,0,3,0,0) at spec_vnoperate+0x1b
 > VOP_STRATEGY(d397fa6c,0,c338cfe8,3d7c1) at VOP_STRATEGY+0x2b
 > bwrite(d397fa6c,dad896c4,1,d01e9487,dad72e6c) at bwrite+0xda
 > vop_generic_bwrite(...) at ..+0x14
 > spec_vnoperate(...) at ..+0x1b
 > VOP_BWRITE(..) at ..+0x2b
 > bawrite(..) at ..+0x1a
 > ffs_fsync(...) at ..+0x15b
 > VOP_FSYNC(...) at ..0x3b
 > sched_sync(...) at ..+0xac
 > start_update(dad65500) at start_update+0x14
 > Bad frame pointer: 0xd0670e88
 >
 > PS FROM DDB:
 > copied by hand so most things left off.  There were "normal" processes
 > running, httpd, cyrus imapd, postfix, named.  There is also an nfs
 > mounted directory using automount.  Nothing special was happening with
 > the nfs mounted directory.
 >   6  0  0  0  3  0x100204 aiodoned      aiodoned
 > * 5  0  0  0  2  0x100204               update
 >   4  0  0  0  3  0x100204 cleaner       cleaner
 >   3  0  0  0  3  0x100204 reaper        reaper
 >   2  0  0  0  3  0x100204 pgdaemon      pgdaemon
 >   1  0  1  0  3  0x4080   wait          init
 >   0 -1  0  0  3  0x80204  scheduler     swapper
 >
 > SHOW REGISTERS FROM DDB:
 > es      0x10
 > ds      0x10
 > edi     0xd397fa6c      end+0x337075c
 > esi     0xd08ee800      end+0x2df4f0
 > ebp     0xdad72d54      end+0xa763a44
 > ebx     0xd397fa6c      end+0x337075c
 > edx     0x280
 > ecx     0xd08ee8bc      end+0x2df5ac
 > eax     0xdadb3164      end+0xa7a3e54
 > eip     0xd01c2904      bufq_default_add+0x14
 > cs      0x8
 > eflags  0x10282
 > esp     0xdad72d3c      end+0xa763a2c
 > ss      0xdad72d3c      end+0xa760d00
 > bufq_default_add+0x14:  movb    0x112(%eax),%dl
 >
 > BOOT DUMP ATTEMPT IN DDB:
 > syncing disks... uvm_fault(0xd0546a80, 0dadb3000, 0, 1) -> e
 > kernel: page fault trap, code=0
 > Faulted in DDB; continuing...
 >
 > FULL DMESG:
 > OpenBSD 3.4-stable (GENERIC) #13: Tue Mar  9 14:12:13 EST 2004
 >     root_(_at_)_styx:/usr/src/sys/arch/i386/compile/GENERIC
 >     cpu0: AMD Athlon Model 2 ("AuthenticAMD" 686-class) 649 MHz
 >     cpu0:  
 > FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX, 
 > FXSR
 >     real mem  = 133738496 (130604K)
 >     avail mem = 118059008 (115292K)
 >     using 1658 buffers containing 6791168 bytes (6632K) of memory
 >     mainbus0 (root)
 >     bios0 at mainbus0: AT/286+(00) BIOS, date 06/28/00, BIOS32 rev. 0  
 > @ 0xfdae0
 >     apm0 at bios0: Power Management spec V1.2
 >     apm0: AC on, battery charge unknown
 >     pcibios0 at bios0: rev. 2.1 @ 0xf0000/0x10000
 >     pcibios0: PCI IRQ Routing Table rev. 1.0 @ 0xf8220/144 (7 entries)
 >     pcibios0: PCI Interrupt Router at 000:07:0 ("VIA VT82C586 PCI-ISA"  
 > rev 0x00)
 >     pcibios0: PCI bus #1 is the last bus
 >     bios0: ROM list: 0xc0000/0x8000
 >     pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
 >     pchb0 at pci0 dev 0 function 0 "AMD 751 System Controller" rev 0x25
 >     ppb0 at pci0 dev 1 function 0 "AMD 751 PCI-PCI" rev 0x01
 >     pci1 at ppb0 bus 1
 >     vga1 at pci1 dev 5 function 0 "Matrox MGA Millennium II 2164WA-B  
 > AGP" rev 0x00
 >     wsdisplay0 at vga1: console (80x25, vt100 emulation)
 >     wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
 >     pcib0 at pci0 dev 7 function 0 "VIA VT82C686 PCI-ISA" rev 0x1b
 >     pciide0 at pci0 dev 7 function 1 "VIA VT82C571 IDE" rev 0x06:  
 > ATA66, channel 0 configured to compatibility, channel 1 configured to  
 > compatibility
 >     wd0 at pciide0 channel 0 drive 0: <WDC WD307AA-00BAA0>
 >     wd0: 16-sector PIO, LBA, 29333MB, 16383 cyl, 16 head, 63 sec,  
 > 60074784 sectors
 >     wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 4
 >     wd1 at pciide0 channel 1 drive 0: <WDC WD800JB-00CRA1>
 >     wd1: 16-sector PIO, LBA, 76319MB, 16383 cyl, 16 head, 63 sec,  
 > 156301488 sectors
 >     wd1(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 4
 >     uhci0 at pci0 dev 7 function 2 "VIA VT83C572 USB" rev 0x0e: irq 10
 >     usb0 at uhci0: USB revision 1.0
 >     uhub0 at usb0
 >     uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 >     uhub0: 2 ports with 2 removable, self powered
 >     viaenv0 at pci0 dev 7 function 4 "VIA VT82C686 SMBus" rev 0x20:  
 > disabled
 >     rl0 at pci0 dev 9 function 0 "Realtek 8139" rev 0x10: irq 11  
 > address 00:50:ba:8f:2c:05
 >     rlphy0 at rl0 phy 0: RTL internal phy
 >     isa0 at pcib0
 >     isadma0 at isa0
 >     pckbc0 at isa0 port 0x60/5
 >     pckbd0 at pckbc0 (kbd slot)
 >     pckbc0: using irq 1 for kbd slot
 >     wskbd0 at pckbd0: console keyboard, using wsdisplay0
 >     pcppi0 at isa0 port 0x61
 >     midi0 at pcppi0: <PC speaker>
 >     sysbeep0 at pcppi0
 >     lpt0 at isa0 port 0x378/4 irq 7
 >     npx0 at isa0 port 0xf0/16: using exception 16
 >     pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
 >     fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
 >     fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
 >     biomask c440 netmask cc40 ttymask ccc2
 >     pctr: user-level cycle counter enabled
 >     mtrr: Pentium Pro MTRR support
 >     dkcsum: wd0 matched BIOS disk 80
 >     dkcsum: wd1 matched BIOS disk 81
 >     root on wd0a
 >     rootdev=0x0 rrootdev=0x300 rawdev=0x302
 >     WARNING: / was not properly unmounted
 >     wd1a:  aborted command, interface CRC error reading fsbn 176 of  
 > 176-287 (wd1 bn
 >     239; cn 0 tn 3 sn 50), retrying
 >     wd1: transfer error, downgrading to Ultra-DMA mode 3
 >     wd1(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 3
 >     wd1a:  aborted command, interface CRC error reading fsbn 176 of  
 > 176-287 (wd1 bn
 >     239; cn 0 tn 3 sn 50), retrying
 >     wd1: soft error (corrected)
 >
 >> How-To-Repeat:
 > 	Unknown.  The machine had been rebooted a couple of days
 > 	before the latest crash.
 > 	
 >> Fix:
 > 	Unknown.
 >
 >
 >> Release-Note:
 >> Audit-Trail:
 >> Unformatted: