Bug 7156 - Oops when running 'unusual' command against scsi tape device
Oops when running 'unusual' command against scsi tape device
Status: CLOSED CODE_FIX
Product: IO/Storage
Classification: Unclassified
Component: SCSI
i386 Linux
: P2 low
Assigned To: io_scsi
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2006-09-13 07:15 UTC by Martin Hardcastle
Modified: 2008-03-29 23:35 UTC (History)
1 user (show)

See Also:
Kernel Version: 2.6.17.11 AMD64
Tree: Mainline
Regression: ---


Attachments

Description Martin Hardcastle 2006-09-13 07:15:53 UTC
Most recent kernel where this bug did not occur:
Distribution: Debian sarge (up-to-date) IA32
Hardware Environment: Dual Opteron 250. Adaptec AIC-7892A U160 SCSI card, HP
DAT-72 tape drive, other SCSI devices on bus.
Software Environment:
Problem Description:

I inadvertently typed (as a user)

mf -f /dev/st0 setblk 10240

This gives the following oops

Sep 13 12:47:32 hercules kernel: Unable to handle kernel paging request at
ffff82bcbf200000 RIP:
Sep 13 12:47:32 hercules kernel: <ffffffff8010735a>{kmem_cache_free+106}
Sep 13 12:47:32 hercules kernel: PGD 0
Sep 13 12:47:32 hercules kernel: Oops: 0000 [1] SMP
Sep 13 12:47:32 hercules kernel: CPU 0
Sep 13 12:47:32 hercules kernel: Modules linked in: nls_iso8859_1 nls_cp437 vfat
fat sg nfs ipt_LOG xt_limit xt_tcpudp xt_state ip_conntrack iptable_filter nfsd
exportfs lockd sunrpc af_packet autofs4 capability commoncap ipv6 snd_intel8x0
snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd snd_page_alloc generic
i810_audio ac97_codec soundcore reiserfs ip_tables x_tables powernow_k8
freq_table processor ide_generic amd74xx ext3 jbd mbcache usb_storage
cpufreq_userspace floppy
pcspkr hw_random i2c_amd8111 tsdev mousedev shpchp pci_hotplug evdev usbhid
eth1394 ohci_hcd usbcore tg3 e100 mii ohci1394 w83627hf i2c_isa eeprom lm85
hwmon_vid i2c_amd756 i2c_core sbp2 ieee1394 psmouse ide_disk ide_cd ide_core st
sr_mod cdrom sd_mod sata_sil libata aic7xxx scsi_transport_spi scsi_mod unix
Sep 13 12:47:32 hercules kernel: Pid: 22344, comm: mf Not tainted 2.6.17.11 #1
Sep 13 12:47:32 hercules kernel: RIP: 0010:[<ffffffff8010735a>]
<ffffffff8010735a>{kmem_cache_free+106}
Sep 13 12:47:32 hercules kernel: RSP: 0000:ffff81005674bcd8  EFLAGS: 00010006
Sep 13 12:47:32 hercules kernel: RAX: ffff82bcbf200000 RBX: ffff81003ec8ec00
RCX: 000000000000001e
Sep 13 12:47:32 hercules kernel: RDX: ffff82bcbf200000 RSI: 0000000000000000
RDI: 00000007f0000000
Sep 13 12:47:32 hercules kernel: RBP: ffff81007ffc6300 R08: 0000000000000000
R09: 0000000000000400
Sep 13 12:47:32 hercules kernel: R10: 0000000000008000 R11: ffffffff80148950
R12: 0000000000001000
Sep 13 12:47:32 hercules kernel: R13: ffff810038139be8 R14: ffff8100490170c0
R15: ffff81003f77deb8
Sep 13 12:47:32 hercules kernel: FS:  00000000f793f000(0000)
GS:ffffffff803e4000(0063) knlGS:00000000f7c662a0
Sep 13 12:47:32 hercules kernel: CS:  0010 DS: 002b ES: 002b CR0: 000000008005003b
Sep 13 12:47:32 hercules kernel: CR2: ffff82bcbf200000 CR3: 000000001b634000
CR4: 00000000000006e0
Sep 13 12:47:32 hercules kernel: Process mf (pid: 22344, threadinfo
ffff81005674a000, task ffff81007c69a400)
Sep 13 12:47:32 hercules kernel: Stack: 00000000000000d0 0000000000000000
0000000000000296 ffff8100490170c0
Sep 13 12:47:32 hercules kernel:        ffff81007f493a40 0000000000001000
ffff810038139be8 ffffffff80145770
Sep 13 12:47:32 hercules kernel:        ffff810038139be8 00000000ffffffea
Sep 13 12:47:32 hercules kernel: Call Trace: <ffffffff80145770>{bio_free+64}
<ffffffff8800f75d>{:scsi_mod:scsi_execute_async+653}
Sep 13 12:47:32 hercules kernel:        <ffffffff8809d55a>{:st:st_do_scsi+474}
<ffffffff8809d2f0>{:st:st_sleep_done+0}
Sep 13 12:47:32 hercules kernel:        <ffffffff880a2e20>{:st:st_read+912}
<ffffffff80116c04>{vma_merge+516}
Sep 13 12:47:32 hercules kernel:        <ffffffff8010b109>{vfs_read+233}
<ffffffff80110743>{sys_read+83}
Sep 13 12:47:32 hercules kernel:        <ffffffff80162e66>{ia32_sysret+0}
Sep 13 12:47:32 hercules kernel:
Sep 13 12:47:32 hercules kernel: Code: 8b 00 f6 c4 40 74 04 48 8b 52 10 48 8b 4a
30 0f b7 51 28 65
Sep 13 12:47:32 hercules kernel: RIP <ffffffff8010735a>{kmem_cache_free+106} RSP
<ffff81005674bcd8>
Sep 13 12:47:32 hercules kernel: CR2: ffff82bcbf200000
Sep 13 12:47:32 hercules kernel:  BUG: warning at
drivers/scsi/st.c:2514/st_int_ioctl()
Sep 13 12:47:32 hercules kernel:
Sep 13 12:47:32 hercules kernel: Call Trace:
<ffffffff8809e458>{:st:st_int_ioctl+136}
Sep 13 12:47:32 hercules kernel:        <ffffffff8809f202>{:st:st_flush+690}
<ffffffff80123f26>{filp_close+70}
Sep 13 12:47:32 hercules kernel:        <ffffffff8013b1eb>{put_files_struct+107}
<ffffffff80115145>{do_exit+597}
Sep 13 12:47:32 hercules kernel:       
<ffffffff80249177>{do_unblank_screen+135} <ffffffff8010aa42>{do_page_fault+1922}
Sep 13 12:47:32 hercules kernel:        <ffffffff80123407>{mempool_alloc+71}
<ffffffff80123407>{mempool_alloc+71}
Sep 13 12:47:32 hercules kernel:        <ffffffff801fbe7b>{as_set_request+59}
<ffffffff80161df1>{error_exit+0}
Sep 13 12:47:32 hercules kernel:        <ffffffff80148950>{mempool_free_slab+0}
<ffffffff8010735a>{kmem_cache_free+106}
Sep 13 12:47:32 hercules kernel:        <ffffffff80107357>{kmem_cache_free+103}
<ffffffff80145770>{bio_free+64}
Sep 13 12:47:32 hercules kernel:       
<ffffffff8800f75d>{:scsi_mod:scsi_execute_async+653}
Sep 13 12:47:32 hercules kernel:        <ffffffff8809d55a>{:st:st_do_scsi+474}
<ffffffff8809d2f0>{:st:st_sleep_done+0}
Sep 13 12:47:32 hercules kernel:        <ffffffff880a2e20>{:st:st_read+912}
<ffffffff80116c04>{vma_merge+516}
Sep 13 12:47:32 hercules kernel:        <ffffffff8010b109>{vfs_read+233}
<ffffffff80110743>{sys_read+83}
Sep 13 12:47:32 hercules kernel:        <ffffffff80162e66>{ia32_sysret+0}
Sep 13 12:47:32 hercules kernel: Unable to handle kernel paging request at
ffff82bcbf200000 RIP:
Sep 13 12:47:32 hercules kernel: <ffffffff8010735a>{kmem_cache_free+106}
Sep 13 12:47:32 hercules kernel: PGD 0
Sep 13 12:47:32 hercules kernel: Oops: 0000 [2] SMP
Sep 13 12:47:32 hercules kernel: CPU 0
Sep 13 12:47:32 hercules kernel: Modules linked in: nls_iso8859_1 nls_cp437 vfat
fat sg nfs ipt_LOG xt_limit xt_tcpudp xt_state ip_conntrack iptable_filter nfsd
exportfs lockd sunrpc af_packet autofs4 capability commoncap ipv6 snd_intel8x0
snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd snd_page_alloc generic
i810_audio ac97_codec soundcore reiserfs ip_tables x_tables powernow_k8
freq_table processor ide_generic amd74xx ext3 jbd mbcache usb_storage
cpufreq_userspace floppy
pcspkr hw_random i2c_amd8111 tsdev mousedev shpchp pci_hotplug evdev usbhid
eth1394 ohci_hcd usbcore tg3 e100 mii ohci1394 w83627hf i2c_isa eeprom lm85
hwmon_vid i2c_amd756 i2c_core sbp2 ieee1394 psmouse ide_disk ide_cd ide_core st
sr_mod cdrom sd_mod sata_sil libata aic7xxx scsi_transport_spi scsi_mod unix
Sep 13 12:47:32 hercules kernel: Pid: 22344, comm: mf Not tainted 2.6.17.11 #1
Sep 13 12:47:32 hercules kernel: RIP: 0010:[<ffffffff8010735a>]
<ffffffff8010735a>{kmem_cache_free+106}
Sep 13 12:47:32 hercules kernel: RSP: 0000:ffff81005674b828  EFLAGS: 00010006
Sep 13 12:47:32 hercules kernel: RAX: ffff82bcbf200000 RBX: ffff81003ec8ec00
RCX: 000000000000001e
Sep 13 12:47:32 hercules kernel: RDX: ffff82bcbf200000 RSI: 0000000000000000
RDI: 00000007f0000000
Sep 13 12:47:32 hercules kernel: RBP: ffff81007ffc6300 R08: 0000000000000000
R09: 0000000000000400
Sep 13 12:47:32 hercules kernel: R10: 0000000000000003 R11: ffffffff80148950
R12: 0000000000001000
Sep 13 12:47:32 hercules kernel: R13: ffff810038139d08 R14: ffff81005c2cedc0
R15: ffff81003f77deb8
Sep 13 12:47:32 hercules kernel: FS:  00000000f793f000(0000)
GS:ffffffff803e4000(0000) knlGS:00000000f70b0460
Sep 13 12:47:32 hercules kernel: CS:  0010 DS: 002b ES: 002b CR0: 000000008005003b
Sep 13 12:47:32 hercules kernel: CR2: ffff82bcbf200000 CR3: 0000000032370000
CR4: 00000000000006e0
Sep 13 12:47:32 hercules kernel: Process mf (pid: 22344, threadinfo
ffff81005674a000, task ffff81007c69a400)
Sep 13 12:47:32 hercules kernel: Stack: 00000000000000d0 0000000000000000
0000000000000296 ffff81005c2cedc0
Sep 13 12:47:32 hercules kernel:        ffff81007f493a40 0000000000001000
ffff810038139d08 ffffffff80145770
Sep 13 12:47:32 hercules kernel:        ffff810038139d08 00000000ffffffea
Sep 13 12:47:32 hercules kernel: Call Trace: <ffffffff80145770>{bio_free+64}
<ffffffff8800f75d>{:scsi_mod:scsi_execute_async+653}
Sep 13 12:47:32 hercules kernel:        <ffffffff80164368>{cond_resched+56}
<ffffffff8809d55a>{:st:st_do_scsi+474}
Sep 13 12:47:32 hercules kernel:        <ffffffff8809d2f0>{:st:st_sleep_done+0}
<ffffffff8809ea7f>{:st:st_int_ioctl+1711}
Sep 13 12:47:32 hercules kernel:        <ffffffff8809f202>{:st:st_flush+690}
<ffffffff80123f26>{filp_close+70}
Sep 13 12:47:32 hercules kernel:        <ffffffff8013b1eb>{put_files_struct+107}
<ffffffff80115145>{do_exit+597}
Sep 13 12:47:32 hercules kernel:       
<ffffffff80249177>{do_unblank_screen+135} <ffffffff8010aa42>{do_page_fault+1922}
Sep 13 12:47:32 hercules kernel:        <ffffffff80123407>{mempool_alloc+71}
<ffffffff80123407>{mempool_alloc+71}
Sep 13 12:47:32 hercules kernel:        <ffffffff801fbe7b>{as_set_request+59}
<ffffffff80161df1>{error_exit+0}
Sep 13 12:47:32 hercules kernel:        <ffffffff80148950>{mempool_free_slab+0}
<ffffffff8010735a>{kmem_cache_free+106}
Sep 13 12:47:32 hercules kernel:        <ffffffff80107357>{kmem_cache_free+103}
<ffffffff80145770>{bio_free+64}
Sep 13 12:47:32 hercules kernel:       
<ffffffff8800f75d>{:scsi_mod:scsi_execute_async+653}
Sep 13 12:47:32 hercules kernel:        <ffffffff8809d55a>{:st:st_do_scsi+474}
<ffffffff8809d2f0>{:st:st_sleep_done+0}
Sep 13 12:47:32 hercules kernel:        <ffffffff880a2e20>{:st:st_read+912}
<ffffffff80116c04>{vma_merge+516}
Sep 13 12:47:32 hercules kernel:        <ffffffff8010b109>{vfs_read+233}
<ffffffff80110743>{sys_read+83}
Sep 13 12:47:32 hercules kernel:        <ffffffff80162e66>{ia32_sysret+0}
Sep 13 12:47:32 hercules kernel:
Sep 13 12:47:32 hercules kernel: Code: 8b 00 f6 c4 40 74 04 48 8b 52 10 48 8b 4a
30 0f b7 51 28 65
Sep 13 12:47:32 hercules kernel: RIP <ffffffff8010735a>{kmem_cache_free+106} RSP
<ffff81005674b828>
Sep 13 12:47:32 hercules kernel: CR2: ffff82bcbf200000
Sep 13 12:47:32 hercules kernel:  <1>Fixing recursive fault but reboot is needed!

The tape drive is then stuck (with a dead mf process) and reboot is needed. mf
is the LaTeX metafont program: i.e. clearly it shouldn't do anything remotely
sensible when applied to a tape device. Equally clearly it shouldn't give a
kernel oops.

Steps to reproduce:

install mf (-:
run command as above.

I have not tried reverting to older kernels as the machine is a server...
Comment 1 Oliver Paulus 2007-02-11 11:33:06 UTC
I have a very similar problem with Linux Kernel 2.6.18 on a AMD64 and the tar
command.
Distribution: Debian Etch (testing)
Hardware Environment: HP DAT-40 tape drive, Adaptec 2940UW controller

syslog output and other information can be found here:
http://lists.debian.org/debian-kernel/2007/02/msg00208.html

Here is my syslog information about the oops:
Feb  8 20:15:35 hal9000 kernel: st0: Block limits 1 - 16777215 bytes.
Feb  8 20:15:56 hal9000 kernel: Unable to handle kernel paging request at
ffff82bc8057b000 RIP: 
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020748b>] kmem_cache_free+0x42/0x1bb
Feb  8 20:15:56 hal9000 kernel: PGD 0 
Feb  8 20:15:56 hal9000 kernel: Oops: 0000 [13] SMP 
Feb  8 20:15:56 hal9000 kernel: CPU 0 
Feb  8 20:15:56 hal9000 kernel: Modules linked in: usb_storage cdc_acm ipv6
dm_snapshot dm_mirror dm_mod loop snd_hda_intel snd_hda_codec serio_raw snd_pcm
snd_timer snd soundcore snd_page_alloc pcspkr psmouse shpchp pci_hotplug st
joydev evdev ext3 jbd mbcache raid1 md_mod ide_generic sd_mod ide_cd cdrom
usbhid aic7xxx scsi_transport_spi via_rhine mii ehci_hcd sata_via via82cxxx
uhci_hcd libata scsi_mod generic ide_core processor
Feb  8 20:15:56 hal9000 kernel: Pid: 16448, comm: tar Not tainted
2.6.18-3-vserver-amd64 #1
Feb  8 20:15:56 hal9000 kernel: RIP: 0010:[<ffffffff8020748b>] 
[<ffffffff8020748b>] kmem_cache_free+0x42/0x1bb
Feb  8 20:15:56 hal9000 kernel: RSP: 0018:ffff8100155a5ca8  EFLAGS: 00010286
Feb  8 20:15:56 hal9000 kernel: RAX: ffff82bc8057b000 RBX: ffff81001a4ae1c0 RCX:
000000000000003f
Feb  8 20:15:56 hal9000 kernel: RDX: ffff82bc8057b000 RSI: 0000000000000000 RDI:
00000007f0000000
Feb  8 20:15:56 hal9000 kernel: RBP: ffff8100010fae00 R08: 0000000000000000 R09:
0000000000000400
Feb  8 20:15:56 hal9000 kernel: R10: ffff810016b96748 R11: ffffffff80242899 R12:
0000000000000000
Feb  8 20:15:56 hal9000 kernel: R13: ffff81001bed71c0 R14: 0000000000001000 R15:
ffff810016b96748
Feb  8 20:15:56 hal9000 kernel: FS:  00002b7bfb7f46d0(0000)
GS:ffffffff8052f000(0000) knlGS:0000000000000000
Feb  8 20:15:56 hal9000 kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Feb  8 20:15:56 hal9000 kernel: CR2: ffff82bc8057b000 CR3: 0000000010c2a000 CR4:
00000000000006e0
Feb  8 20:15:56 hal9000 kernel: Process tar (pid: 16448[#0], threadinfo
ffff8100155a4000, task ffff810005696880)
Feb  8 20:15:56 hal9000 kernel: Stack:  ffff810003a64d28 0000000000000000
ffff81001a4ae1c0 ffff8100010fae00
Feb  8 20:15:56 hal9000 kernel:  0000000000000000 ffff81001a4ae1c0
0000000000001000 ffffffff8023fd8d
Feb  8 20:15:56 hal9000 kernel:  ffff81001a4ae1c0 0000000000001000
ffff810003a64d28 ffffffff8803a3e9
Feb  8 20:15:56 hal9000 kernel: Call Trace:
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8023fd8d>] bio_free+0x33/0x43
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8803a3e9>]
:scsi_mod:scsi_execute_async+0x18a/0x3ac
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff802b5f20>] get_user_pages+0x2f1/0x34f
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8816fbba>] :st:st_do_scsi+0x1ca/0x225
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8816f52d>] :st:st_sleep_done+0x0/0x45
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff88171c01>] :st:st_read+0x338/0x818
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020b1c9>] vfs_read+0xcb/0x171
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020fff8>] sys_read+0x45/0x6e
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8025ab0e>] system_call+0x7e/0x83
Feb  8 20:15:56 hal9000 kernel: 
Feb  8 20:15:56 hal9000 kernel: 
Feb  8 20:15:56 hal9000 kernel: Code: 8b 00 f6 c4 40 74 04 48 8b 52 10 8b 02 84
c0 78 0a 0f 0b 68 
Feb  8 20:15:56 hal9000 kernel: RIP  [<ffffffff8020748b>] kmem_cache_free+0x42/0x1bb
Feb  8 20:15:56 hal9000 kernel:  RSP <ffff8100155a5ca8>
Feb  8 20:15:56 hal9000 kernel: CR2: ffff82bc8057b000
Feb  8 20:15:56 hal9000 kernel:  BUG: warning at
drivers/scsi/st.c:2513/st_int_ioctl()
Feb  8 20:15:56 hal9000 kernel: 
Feb  8 20:15:56 hal9000 kernel: Call Trace:
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8817016c>] :st:st_int_ioctl+0x52/0x98c
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff881725b4>] :st:st_flush+0x245/0x25e
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80222685>] filp_close+0x36/0x64
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80237ed4>] put_files_struct+0x6c/0xe4
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80213ad9>] do_exit+0x259/0x948
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80365fc8>] set_palette+0x9/0x5b
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8032dd7e>]
vgacon_set_cursor_size+0x36/0xdb
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020abbb>] do_page_fault+0x68b/0x706
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80221c7d>] mempool_alloc+0x24/0xda
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8025b7dd>] error_exit+0x0/0x84
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80242899>] mempool_free_slab+0x0/0xe
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020748b>] kmem_cache_free+0x42/0x1bb
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80207488>] kmem_cache_free+0x3f/0x1bb
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8023fd8d>] bio_free+0x33/0x43
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8803a3e9>]
:scsi_mod:scsi_execute_async+0x18a/0x3ac
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff802b5f20>] get_user_pages+0x2f1/0x34f
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8816fbba>] :st:st_do_scsi+0x1ca/0x225
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8816f52d>] :st:st_sleep_done+0x0/0x45
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff88171c01>] :st:st_read+0x338/0x818
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020b1c9>] vfs_read+0xcb/0x171
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020fff8>] sys_read+0x45/0x6e
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8025ab0e>] system_call+0x7e/0x83
Feb  8 20:15:56 hal9000 kernel: 
Feb  8 20:15:56 hal9000 kernel: Unable to handle kernel paging request at
ffff82bc8057b000 RIP: 
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020748b>] kmem_cache_free+0x42/0x1bb
Feb  8 20:15:56 hal9000 kernel: PGD 0 
Feb  8 20:15:56 hal9000 kernel: Oops: 0000 [14] SMP 
Feb  8 20:15:56 hal9000 kernel: CPU 0 
Feb  8 20:15:56 hal9000 kernel: Modules linked in: usb_storage cdc_acm ipv6
dm_snapshot dm_mirror dm_mod loop snd_hda_intel snd_hda_codec serio_raw snd_pcm
snd_timer snd soundcore snd_page_alloc pcspkr psmouse shpchp pci_hotplug st
joydev evdev ext3 jbd mbcache raid1 md_mod ide_generic sd_mod ide_cd cdrom
usbhid aic7xxx scsi_transport_spi via_rhine mii ehci_hcd sata_via via82cxxx
uhci_hcd libata scsi_mod generic ide_core processor
Feb  8 20:15:56 hal9000 kernel: Pid: 16448, comm: tar Not tainted
2.6.18-3-vserver-amd64 #1
Feb  8 20:15:56 hal9000 kernel: RIP: 0010:[<ffffffff8020748b>] 
[<ffffffff8020748b>] kmem_cache_free+0x42/0x1bb
Feb  8 20:15:56 hal9000 kernel: RSP: 0018:ffff8100155a5818  EFLAGS: 00010286
Feb  8 20:15:56 hal9000 kernel: RAX: ffff82bc8057b000 RBX: ffff81001a4ae540 RCX:
000000000000003f
Feb  8 20:15:56 hal9000 kernel: RDX: ffff82bc8057b000 RSI: 0000000000000000 RDI:
00000007f0000000
Feb  8 20:15:56 hal9000 kernel: RBP: ffff8100010fae00 R08: 0000000000000000 R09:
0000000000000400
Feb  8 20:15:56 hal9000 kernel: R10: ffff810016b96f28 R11: ffffffff80242899 R12:
0000000000000000
Feb  8 20:15:56 hal9000 kernel: R13: ffff81001bed71c0 R14: 0000000000001000 R15:
ffff810016b96f28
Feb  8 20:15:56 hal9000 kernel: FS:  00002b7bfb7f46d0(0000)
GS:ffffffff8052f000(0000) knlGS:0000000000000000
Feb  8 20:15:56 hal9000 kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Feb  8 20:15:56 hal9000 kernel: CR2: ffff82bc8057b000 CR3: 000000001b8fe000 CR4:
00000000000006e0
Feb  8 20:15:56 hal9000 kernel: Process tar (pid: 16448[#0], threadinfo
ffff8100155a4000, task ffff810005696880)
Feb  8 20:15:56 hal9000 kernel: Stack:  ffff81001aff7068 0000000000000000
ffff81001a4ae540 ffff8100010fae00
Feb  8 20:15:56 hal9000 kernel:  0000000000000000 ffff81001a4ae540
0000000000001000 ffffffff8023fd8d
Feb  8 20:15:56 hal9000 kernel:  ffff81001a4ae540 0000000000001000
ffff81001aff7068 ffffffff8803a3e9
Feb  8 20:15:56 hal9000 kernel: Call Trace:
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8023fd8d>] bio_free+0x33/0x43
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8803a3e9>]
:scsi_mod:scsi_execute_async+0x18a/0x3ac
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8816fbba>] :st:st_do_scsi+0x1ca/0x225
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8816f52d>] :st:st_sleep_done+0x0/0x45
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8817072c>] :st:st_int_ioctl+0x612/0x98c
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff881725b4>] :st:st_flush+0x245/0x25e
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80222685>] filp_close+0x36/0x64
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80237ed4>] put_files_struct+0x6c/0xe4
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80213ad9>] do_exit+0x259/0x948
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80365fc8>] set_palette+0x9/0x5b
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8032dd7e>]
vgacon_set_cursor_size+0x36/0xdb
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020abbb>] do_page_fault+0x68b/0x706
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80221c7d>] mempool_alloc+0x24/0xda
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8025b7dd>] error_exit+0x0/0x84
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80242899>] mempool_free_slab+0x0/0xe
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020748b>] kmem_cache_free+0x42/0x1bb
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff80207488>] kmem_cache_free+0x3f/0x1bb
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8023fd8d>] bio_free+0x33/0x43
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8803a3e9>]
:scsi_mod:scsi_execute_async+0x18a/0x3ac
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff802b5f20>] get_user_pages+0x2f1/0x34f
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8816fbba>] :st:st_do_scsi+0x1ca/0x225
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8816f52d>] :st:st_sleep_done+0x0/0x45
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff88171c01>] :st:st_read+0x338/0x818
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020b1c9>] vfs_read+0xcb/0x171
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8020fff8>] sys_read+0x45/0x6e
Feb  8 20:15:56 hal9000 kernel:  [<ffffffff8025ab0e>] system_call+0x7e/0x83
Feb  8 20:15:56 hal9000 kernel: 
Feb  8 20:15:56 hal9000 kernel: 
Feb  8 20:15:56 hal9000 kernel: Code: 8b 00 f6 c4 40 74 04 48 8b 52 10 8b 02 84
c0 78 0a 0f 0b 68 
Feb  8 20:15:56 hal9000 kernel: RIP  [<ffffffff8020748b>] kmem_cache_free+0x42/0x1bb
Feb  8 20:15:56 hal9000 kernel:  RSP <ffff8100155a5818>
Feb  8 20:15:56 hal9000 kernel: CR2: ffff82bc8057b000
Feb  8 20:15:56 hal9000 kernel:  <1>Fixing recursive fault but reboot is needed!

Comment 2 Oliver Paulus 2007-02-16 15:25:20 UTC
seems to be a copy of bug 7919. I have compiled a new 2.6.18-5 kernel with the
patch provided in bug 7919 (with minimal changes). Everything is working now.
Comment 3 Natalie Protasevich 2007-07-23 00:57:36 UTC
Great, thanks. This bug can be closed as duplicate.

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