Date: Sun, 2 Nov 2008 02:20:04 GMT From: Kirk Strauser <KIRK@STRAUSER.COM> To: freebsd-scsi@FreeBSD.org Subject: Re: kern/128452: [sa] [panic] Accessing SCSI tape drive randomly crashes my amd64 system Message-ID: <200811020220.mA22K4dY063564@freefall.freebsd.org>
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The following reply was made to PR kern/128452; it has been noted by GNATS.
From: Kirk Strauser <KIRK@STRAUSER.COM>
To: bug-followup@FreeBSD.org,
kirk@strauser.com
Cc:
Subject: Re: kern/128452: [sa] [panic] Accessing SCSI tape drive randomly crashes my amd64 system
Date: Sat, 1 Nov 2008 21:16:51 -0500
And other kernel panic dump. Daily crashes while making backups are
pretty standard now.
This problem started when the machine was an Athlon 1.4GHz. Since
then, I have replaced literally every component but the tape drive
itself, including an identical model Tekram DC-390F SCSI card (I
bought two a while back and swapped cards between servers for testing).
Is there any additional information I could provide to help out?
(kgdb) list *0xffffffff80739535
0xffffffff80739535 is in pmap_clear_modify (atomic.h:143).
138 atomic.h: No such file or directory.
in atomic.h
(kgdb) bt
#0 doadump () at pcpu.h:195
#1 0x0000000000000004 in ?? ()
#2 0xffffffff80488641 in boot (howto=260) at /usr/src/sys/kern/
kern_shutdown.c:418
#3 0xffffffff80488a7c in panic (fmt=0x104 <Address 0x104 out of
bounds>)
at /usr/src/sys/kern/kern_shutdown.c:574
#4 0xffffffff8074081a in trap_fatal (frame=0xffffff0001101a50,
eva=Variable "eva" is not available.
)
at /usr/src/sys/amd64/amd64/trap.c:764
#5 0xffffffff807412d8 in trap (frame=0xffffffffac26ca40) at /usr/src/
sys/amd64/amd64/trap.c:565
#6 0xffffffff80727ece in calltrap () at /usr/src/sys/amd64/amd64/
exception.S:209
#7 0xffffffff80739535 in pmap_clear_modify (m=0xffffff00c4f74e20) at
atomic.h:143
#8 0xffffffff8069ca79 in vm_page_set_validclean
(m=0xffffff00c4f74e20, base=0, size=4096)
at /usr/src/sys/vm/vm_page.c:1813
#9 0xffffffff804eda0f in bufdone_finish (bp=0xffffffff9a26e6a0)
at /usr/src/sys/kern/vfs_bio.c:3272
#10 0xffffffff804edcec in bufdone (bp=0xffffffff9a26e6a0) at /usr/src/
sys/kern/vfs_bio.c:3173
#11 0xffffffff804f0375 in cluster_callback (bp=0xffffffff99fbe720)
at /usr/src/sys/kern/vfs_cluster.c:542
#12 0xffffffff804edcc5 in bufdone (bp=0xffffffff99fbe720) at /usr/src/
sys/kern/vfs_bio.c:3167
#13 0xffffffff8043c2c2 in g_io_schedule_up (tp=Variable "tp" is not
available.
) at /usr/src/sys/geom/geom_io.c:587
#14 0xffffffff8043c566 in g_up_procbody () at /usr/src/sys/geom/
geom_kern.c:95
#15 0xffffffff80468d5d in fork_exit (callout=0xffffffff8043c514
<g_up_procbody>, arg=0x0,
frame=0xffffffffac26cc80) at /usr/src/sys/kern/kern_fork.c:804
#16 0xffffffff8072829e in fork_trampoline () at /usr/src/sys/amd64/
amd64/exception.S:455
#17 0x0000000000000000 in ?? ()
#18 0x0000000000000000 in ?? ()
#19 0x0000000000000001 in ?? ()
#20 0x0000000000000000 in ?? ()
#21 0x0000000000000000 in ?? ()
#22 0x0000000000000000 in ?? ()
#23 0x0000000000000000 in ?? ()
#24 0x0000000000000000 in ?? ()
#25 0x0000000000000000 in ?? ()
#26 0x0000000000000000 in ?? ()
#27 0x0000000000000000 in ?? ()
#28 0x0000000000000000 in ?? ()
#29 0x0000000000000000 in ?? ()
#30 0x0000000000000000 in ?? ()
#31 0x0000000000000000 in ?? ()
#32 0x0000000000000000 in ?? ()
---Type <return> to continue, or q <return> to quit---
#33 0x0000000000000000 in ?? ()
#34 0x0000000000000000 in ?? ()
#35 0x0000000000000000 in ?? ()
#36 0x0000000000000000 in ?? ()
#37 0x0000000000000000 in ?? ()
#38 0x0000000000000000 in ?? ()
#39 0x0000000000000000 in ?? ()
#40 0x0000000000000000 in ?? ()
#41 0x0000000000d0e000 in ?? ()
#42 0xffffffff80a69180 in tdg_maxid ()
#43 0xffffffff80a75980 in tdq_cpu ()
#44 0xffffffff80a75980 in tdq_cpu ()
#45 0xffffff0001101a50 in ?? ()
#46 0xffffff0001101d80 in ?? ()
#47 0xffffffffac26c0c8 in ?? ()
#48 0x0000000000000000 in ?? ()
#49 0xffffffff804a78ee in sched_switch (td=0xffffffff8043c514,
newtd=0x800530450, flags=Variable "flags" is not available.
)
at /usr/src/sys/kern/sched_ule.c:1938
#50 0x0000000000000000 in ?? ()
#51 0x0000000000000000 in ?? ()
#52 0x0000000000000000 in ?? ()
#53 0x0000000000000000 in ?? ()
#54 0x0000000000000000 in ?? ()
#55 0x0000000000000000 in ?? ()
#56 0x0000000000000000 in ?? ()
#57 0x0000000000000000 in ?? ()
#58 0x0000000000000000 in ?? ()
#59 0x0000000000000000 in ?? ()
#60 0x0000000000000000 in ?? ()
#61 0x0000000000000000 in ?? ()
#62 0x0000000000000000 in ?? ()
#63 0x0000000000000000 in ?? ()
#64 0x0000000000000000 in ?? ()
#65 0x0000000000000000 in ?? ()
#66 0x0000000000000000 in ?? ()
#67 0x0000000000000000 in ?? ()
#68 0x0000000000000000 in ?? ()
#69 0x0000000000000000 in ?? ()
#70 0x0000000000000000 in ?? ()
---Type <return> to continue, or q <return> to quit---
#71 0x0000000000000000 in ?? ()
#72 0x0000000000000000 in ?? ()
#73 0x0000000000000000 in ?? ()
#74 0x0000000000000000 in ?? ()
#75 0x0000000000000000 in ?? ()
#76 0x0000000000000000 in ?? ()
#77 0x0000000000000000 in ?? ()
#78 0x0000000000000000 in ?? ()
#79 0x0000000000000000 in ?? ()
#80 0x0000000000000000 in ?? ()
#81 0x0000000000000000 in ?? ()
#82 0x0000000000000000 in ?? ()
#83 0x0000000000000000 in ?? ()
#84 0x0000000000000000 in ?? ()
#85 0x0000000000000000 in ?? ()
#86 0x0000000000000000 in ?? ()
#87 0x0000000000000000 in ?? ()
#88 0x0000000000000000 in ?? ()
#89 0x0000000000000000 in ?? ()
#90 0x0000000000000000 in ?? ()
#91 0x0000000000000000 in ?? ()
#92 0x0000000000000000 in ?? ()
#93 0x0000000000000000 in ?? ()
#94 0x0000000000000000 in ?? ()
#95 0x0000000000000000 in ?? ()
#96 0x0000000000000000 in ?? ()
#97 0x0000000000000000 in ?? ()
#98 0x0000000000000000 in ?? ()
#99 0x0000000000000000 in ?? ()
#100 0x0000000000000000 in ?? ()
#101 0x0000000000000000 in ?? ()
#102 0x0000000000000000 in ?? ()
#103 0x0000000000000000 in ?? ()
#104 0x0000000000000000 in ?? ()
#105 0x0000000000000000 in ?? ()
#106 0x0000000000000000 in ?? ()
#107 0x0000000000000000 in ?? ()
#108 0x0000000000000000 in ?? ()
#109 0x0000000000000000 in ?? ()
---Type <return> to continue, or q <return> to quit---
#110 0x0000000000000000 in ?? ()
#111 0x0000000000000000 in ?? ()
#112 0x0000000000000000 in ?? ()
#113 0x0000000000000000 in ?? ()
#114 0x0000000000000000 in ?? ()
#115 0x0000000000000000 in ?? ()
#116 0x0000000000000000 in ?? ()
#117 0x0000000000000000 in ?? ()
Cannot access memory at address 0xffffffffac26d000
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