[ltp] Re: Hotswap driver (supports DMA, etc etc)
Jim Duchek
linux-thinkpad@linux-thinkpad.org
Wed, 22 Feb 2006 07:38:09 -0600
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Obi --
When does that kernel panic happen?
Jim
On 21/02/06, Obi <graziano@cs.ucsb.edu> wrote:
>
> I just tried the latest (0.2.0) and now I got the following kernel panic.
> And
> at least once, my machine locked hard. It's a T41 running Debian unstable=
.
>
>
>
> Unable to handle kernel NULL pointer dereference at virtual address
> 00000108
> printing eip:
> f0850af2
> *pde =3D 00000000
> Oops: 0000 [#1]
> Modules linked in: lt_hotswap udf radeon drm cpufreq_ondemand ibm_acpi lp
> thermal fan button processor ac battery michael_mic arc4
> ieee80211_crypt_tkip aes ieee80211_crypt_ccmp ipv6 dummy nvram usbhid pcm=
cia
> irtty_sir sir_dev ipw2200 irda ieee80211 ieee80211_crypt crc_ccitt
> firmware_class parport_pc parport psmouse e1000 serio_raw yenta_socket
> rsrc_nonstatic pcmcia_core evdev snd_intel8x0 hw_random snd_intel8x0m
> snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer s=
nd
> rtc ehci_hcd uhci_hcd soundcore snd_page_alloc usbcore shpchp pci_hotplug
> intel_agp agpgart ide_cd cdrom unix
> CPU: 0
> EIP: 0060:[<f0850af2>] Not tainted VLI
> EFLAGS: 00010246 (2.6.15)
> EIP is at cdrom_lockdoor+0x1f/0xb6 [ide_cd]
> eax: 00000000 ebx: ecb83f10 ecx: 00000000 edx: 00000000
> esi: d768bed0 edi: c032c864 ebp: 00000000 esp: d768be38
> ds: 007b es: 007b ss: 0068
> Process umount (pid: 6593, threadinfo=3Dd768a000 task=3Dd369ea30)
> Stack: c0133fbd 0000000e d768be84 0000000d d768bef0 00000040 00000092
> 00000246
> 00000246 00000000 d768be88 d768be84 00000001 c01300ba c12722c0
> c029c520
> d768bef4 c0133d9e 00000001 00000001 00000000 c12722c0 00000020
> d768bef0
> Call Trace:
> [<c0133fbd>] pagevec_lookup_tag+0x1b/0x22
> [<c01300ba>] __pagevec_free+0x18/0x22
> [<c0133d9e>] release_pages+0xfc/0x104
> [<c01950d8>] radix_tree_gang_lookup+0x2f/0x49
> [<c012c9ca>] find_get_pages+0x14/0x3a
> [<c0133f9c>] pagevec_lookup+0x17/0x1d
> [<c01342b9>] invalidate_mapping_pages+0x9d/0xb0
> [<f0845ff4>] cdrom_release+0x85/0xd0 [cdrom]
> [<f08523b7>] idecd_release+0x1e/0x30 [ide_cd]
> [<c01488eb>] blkdev_put+0x59/0x103
> [<c01471e8>] deactivate_super+0x5d/0x6f
> [<c01577ce>] sys_umount+0x6a/0x71
> [<c0111ac8>] do_page_fault+0x169/0x4af
> [<c011195f>] do_page_fault+0x0/0x4af
> [<c0102a09>] syscall_call+0x7/0xb
> Code: ff 81 c4 98 00 00 00 5b 5e 5f 5d c3 55 89 d5 57 89 c7 56 89 ce 53 8=
1
> ec d8 00 00 00 85 c9 8d 84 24 98 00 00 00 0f 44 f0 8b 47 1c <f6> 80 08 01=
00
> 00 02 75 64 89 e2 89 f8 e8 51 e8 ff ff 85 ed 89
>
>
> On Tue, Feb 21, 2006 at 05:52:20PM -0600, Jim Duchek wrote:
> > Try the latest -- http://churchofjim.org/sources/lt_hotswap-0.1.6.tar.g=
z-- it
> > ought to work better. You definitely want auto_eject unless you're
> using the
> > acpi scripts in config/
> >
> > Jim
> >
> >
> > On 21/02/06, Obi <graziano@cs.ucsb.edu> wrote:
> >
> > Thanks for trying to give us a working bay!!
> >
> > I just tried it on my T41: ejected the DVD-RW and reinserted. If I
> used
> > the auto-eject=3D1 options, the drive is not recognized upon
> reinsertion.
> > Without it the drive seems to be recognized, but I got kernel ops
> ...
> >
> > Feb 21 15:24:09 localhost kernel: Unable to handle kernel NULL
> pointer
> > dereference at virtual address 000004bd
> > Feb 21 15:24:09 localhost kernel: printing eip:
> > Feb 21 15:24:09 localhost kernel: 000004bd
> > Feb 21 15:24:09 localhost kernel: *pde =3D 00000000
> > Feb 21 15:24:09 localhost kernel: Oops: 0000 [#4]
> > Feb 21 15:24:09 localhost kernel: Modules linked in: lt_hotswap jfs
> xfs
> > exportfs reiserfs ext2 hfs hfsplus ntfs ipw2200 ieee80211
> nls_iso8859_1
> > nls_cp437 vfat fat isofs udf sd_mod usb_storage scsi_mod nvram
> > michael_mic arc4 ieee80211_crypt_tkip aes ieee80211_crypt_ccmp
> usbhid
> > radeon drm cpufreq_ondemand ibm_acpi lp thermal fan button processo=
r
> ac
> > battery ipv6 dummy pcmcia irtty_sir sir_dev irda crc_ccitt
> > ieee80211_crypt firmware_class psmouse e1000 serio_raw parport_pc
> parport
> > evdev yenta_socket rsrc_nonstatic pcmcia_core snd_intel8x0
> snd_pcm_oss
> > snd_mixer_oss snd_intel8x0m snd_ac97_codec snd_ac97_bus ehci_hcd
> uhci_hcd
> > ide_cd snd_pcm snd_timer snd hw_random rtc intel_agp agpgart usbcor=
e
> > cdrom shpchp pci_hotplug soundcore snd_page_alloc unix
> > Feb 21 15:24:09 localhost kernel: CPU: 0
> > Feb 21 15:24:09 localhost kernel: EIP: 0060:[<000004bd>] Not
> tainted
> > VLI
> > Feb 21 15:24:09 localhost kernel: EFLAGS: 00010206 (2.6.15)
> > Feb 21 15:24:09 localhost kernel: EIP is at 0x4bd
> > Feb 21 15:24:09 localhost kernel: eax: efceaec0 ebx: efceaec0
> ecx:
> > 00000000
> > edx: 000004bd
> > Feb 21 15:24:09 localhost kernel: esi: efcfbbf4 edi: ffffffe7
> ebp:
> > 08055828
> > esp: d4055e10
> > Feb 21 15:24:09 localhost kernel: ds: 007b es: 007b ss: 0068
> > Feb 21 15:24:09 localhost kernel: Process hdparm (pid: 24316,
> threadinfo=3D
> > d4054000 task=3Dd6ca3a70)
> > Feb 21 15:24:09 localhost kernel: Stack: c018c8cf efcfbbe4 c018e659
> > 08055828 efcfbbe4 c0191d9a efcd9480 cb7a4740
> > Feb 21 15:24:09 localhost kernel: c01de5a2 c01de5aa 00000001
> > d4055efc c01de5aa 00000009 e4e69800 d6a13000
> > Feb 21 15:24:09 localhost kernel: d6a13110 ffffffff 00200246
> > 00000000 00000004 c14af4a0 c16e4900 f18c44e0
> > Feb 21 15:24:09 localhost kernel: Call Trace:
> > Feb 21 15:24:09 localhost kernel: [elevator_exit+16/39]
> elevator_exit+0x10
> > /0x27Feb 21 15:24:09 localhost kernel: [blk_cleanup_queue+32/93]
> > blk_cleanup_queue+0x20/0x5d
> > Feb 21 15:24:09 localhost kernel: [scsi_cmd_ioctl+774/796]
> > scsi_cmd_ioctl+0x306/0x31c
> > Feb 21 15:24:09 localhost kernel: [n_tty_receive_buf+2528/2583]
> > n_tty_receive_buf+0x9e0/0xa17
> > Feb 21 15:24:09 localhost kernel: [n_tty_receive_buf+2536/2583]
> > n_tty_receive_buf+0x9e8/0xa17
> > Feb 21 15:24:09 localhost kernel: [n_tty_receive_buf+2536/2583]
> > n_tty_receive_buf+0x9e8/0xa17
> > Feb 21 15:24:09 localhost kernel: [pg0+827876395/1070355456]
> > idecd_revalidate_disk+0x10/0x16 [ide_cd]
> > Feb 21 15:24:09 localhost kernel: [printk+18/22] printk+0x12/0x16
> > Feb 21 15:24:09 localhost kernel: [pg0+810681314/1070355456]
> > cdrom_ioctl+0x25/0x9e5 [cdrom]
> > Feb 21 15:24:09 localhost kernel: [pty_write+49/61]
> pty_write+0x31/0x3d
> > Feb 21 15:24:09 localhost kernel: [filemap_nopage+358/683]
> > filemap_nopage+0x166/0x2ab
> > Feb 21 15:24:09 localhost kernel: [pg0+827876359/1070355456]
> > idecd_ioctl+0x3e/0x45 [ide_cd]
> > Feb 21 15:24:09 localhost kernel: [pg0+827876297/1070355456]
> > idecd_ioctl+0x0/0x45 [ide_cd]
> > Feb 21 15:24:09 localhost kernel: [blkdev_driver_ioctl+57/63]
> > blkdev_driver_ioctl+0x39/0x3f
> > Feb 21 15:24:09 localhost kernel: [blkdev_ioctl+259/279]
> > blkdev_ioctl+0x103/0x117
> > Feb 21 15:24:09 localhost kernel: [block_ioctl+0/22]
> block_ioctl+0x0/0x16
> > Feb 21 15:24:09 localhost kernel: [block_ioctl+19/22]
> block_ioctl+0x13/
> > 0x16
> > Feb 21 15:24:09 localhost kernel: [do_ioctl+22/72]
> do_ioctl+0x16/0x48
> > Feb 21 15:24:09 localhost kernel: [vfs_ioctl+336/350]
> vfs_ioctl+0x150/
> > 0x15e
> > Feb 21 15:24:09 localhost kernel: [sys_ioctl+42/64]
> sys_ioctl+0x2a/0x40
> > Feb 21 15:24:09 localhost kernel: [syscall_call+7/11]
> syscall_call+0x7/0xb
> > Feb 21 15:24:09 localhost kernel: Code: Bad EIP value.
> >
> >
> > graziano
> > --
> > The linux-thinkpad mailing list home page is at:
> > http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> >
> >
>
> --
> +-----------------------+--------------------------+
> | Graziano Obertelli | CS Dept. Rm 102 |
> | graziano@cs.ucsb.edu | University of California |
> | (805) 893-5212 | Santa Barbara, CA 93106 |
> +-----------------------+--------------------------+
> --
> The linux-thinkpad mailing list home page is at:
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>
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Obi --<br><br>When does that kernel panic happen? <br><br>Jim<br><br>=
<div><span class=3D"gmail_quote">On 21/02/06, <b class=3D"gmail_sendername"=
>Obi</b> <<a href=3D"mailto:graziano@cs.ucsb.edu">graziano@cs.ucsb.edu</=
a>> wrote:
</span><blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rg=
b(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">I just tri=
ed the latest (0.2.0) and now I got the following kernel panic. And<br>at l=
east once, my machine locked hard. It's a T41 running Debian unstable.
<br><br><br><br>Unable to handle kernel NULL pointer dereference at virtual=
address 00000108<br> printing eip:<br>f0850af2<br>*pde =3D 00000000<br>Oop=
s: 0000 [#1]<br>Modules linked in: lt_hotswap udf radeon drm cpufreq_ondema=
nd ibm_acpi lp thermal fan button processor ac battery michael_mic arc4 iee=
e80211_crypt_tkip aes ieee80211_crypt_ccmp ipv6 dummy nvram usbhid pcmcia i=
rtty_sir sir_dev ipw2200 irda ieee80211 ieee80211_crypt crc_ccitt firmware_=
class parport_pc parport psmouse e1000 serio_raw yenta_socket rsrc_nonstati=
c pcmcia_core evdev snd_intel8x0 hw_random snd_intel8x0m snd_ac97_codec snd=
_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd rtc ehci_hcd uhci=
_hcd soundcore snd_page_alloc usbcore shpchp pci_hotplug intel_agp agpgart =
ide_cd cdrom unix
<br>CPU: 0<br>EIP: 0060:[<=
f0850af2>] Not tainted VLI<br>EFLAGS: 00010246&nb=
sp; (2.6.15)<br>EIP is at cdrom_lockdoor+0x1f/0xb6 [ide_cd]<br>eax: 0=
0000000 ebx: ecb83f10 ecx: 00000000 edx=
: 00000000<br>esi: d768bed0 edi: c032c864 ebp: 0000=
0000 esp: d768be38
<br>ds: 007b es: 007b ss: 0068<br>Process umount (p=
id: 6593, threadinfo=3Dd768a000 task=3Dd369ea30)<br>Stack: c0133fbd 0000000=
e d768be84 0000000d d768bef0 00000040 00000092 00000246<br> &nbs=
p; 00000246 00000000 d768be88 d768be84 00000001 c01300ba =
c12722c0 c029c520
<br> d768bef4 c0133d9e 00000001 0000000=
1 00000000 c12722c0 00000020 d768bef0<br>Call Trace:<br> [<c0133fbd>]=
pagevec_lookup_tag+0x1b/0x22<br> [<c01300ba>] __pagevec_free+0x18/0x=
22<br> [<c0133d9e>] release_pages+0xfc/0x104
<br> [<c01950d8>] radix_tree_gang_lookup+0x2f/0x49<br> [<c012c9ca&=
gt;] find_get_pages+0x14/0x3a<br> [<c0133f9c>] pagevec_lookup+0x17/0x=
1d<br> [<c01342b9>] invalidate_mapping_pages+0x9d/0xb0<br> [<f0845=
ff4>] cdrom_release+0x85/0xd0 [cdrom]
<br> [<f08523b7>] idecd_release+0x1e/0x30 [ide_cd]<br> [<c01488eb&=
gt;] blkdev_put+0x59/0x103<br> [<c01471e8>] deactivate_super+0x5d/0x6=
f<br> [<c01577ce>] sys_umount+0x6a/0x71<br> [<c0111ac8>] do_pag=
e_fault+0x169/0x4af
<br> [<c011195f>] do_page_fault+0x0/0x4af<br> [<c0102a09>] sysc=
all_call+0x7/0xb<br>Code: ff 81 c4 98 00 00 00 5b 5e 5f 5d c3 55 89 d5 57 8=
9 c7 56 89 ce 53 81 ec d8 00 00 00 85 c9 8d 84 24 98 00 00 00 0f 44 f0 8b 4=
7 1c <f6> 80 08 01 00 00 02 75 64 89 e2 89 f8 e8 51 e8 ff ff 85 ed 89
<br><br><br>On Tue, Feb 21, 2006 at 05:52:20PM -0600, Jim Duchek wrote:<br>=
> Try the latest -- <a href=3D"http://churchofjim.org/sources/lt_hotswap=
-0.1.6.tar.gz">http://churchofjim.org/sources/lt_hotswap-0.1.6.tar.gz</a>
-- it<br>> ought to work better. You definitely want auto_ej=
ect unless you're using the<br>> acpi scripts in config/<br>><br>>=
Jim<br>><br>><br>> On 21/02/06, Obi <<a href=3D"mailto:grazian=
o@cs.ucsb.edu">
graziano@cs.ucsb.edu</a>> wrote:<br>><br>> =
Thanks for trying to give us a working bay!!<br>><br>> &n=
bsp; I just tried it on my T41: ejected the DVD-RW and reinserted. If=
I used<br>> the auto-eject=3D1 options, the dri=
ve is not recognized upon reinsertion.
<br>> Without it the drive seems to be recognize=
d, but I got kernel ops ...<br>><br>> Feb 21 =
15:24:09 localhost kernel: Unable to handle kernel NULL pointer<br>>&nbs=
p; dereference at virtual address 000004bd
<br>> Feb 21 15:24:09 localhost kernel: &nb=
sp;printing eip:<br>> Feb 21 15:24:09 localhost =
kernel: 000004bd<br>> Feb 21 15:24:09 localhost =
kernel: *pde =3D 00000000<br>> Feb 21 15:24:09 l=
ocalhost kernel: Oops: 0000 [#4]
<br>> Feb 21 15:24:09 localhost kernel: Modules =
linked in: lt_hotswap jfs xfs<br>> exportfs reis=
erfs ext2 hfs hfsplus ntfs ipw2200 ieee80211 nls_iso8859_1<br>> &nb=
sp; nls_cp437 vfat fat isofs udf sd_mod usb_storage scsi_mod nv=
ram
<br>> michael_mic arc4 ieee80211_crypt_tkip aes =
ieee80211_crypt_ccmp usbhid<br>> radeon drm cpuf=
req_ondemand ibm_acpi lp thermal fan button processor ac<br>>  =
; battery ipv6 dummy pcmcia irtty_sir sir_dev irda crc_ccitt
<br>> ieee80211_crypt firmware_class psmouse e10=
00 serio_raw parport_pc parport<br>> evdev yenta=
_socket rsrc_nonstatic pcmcia_core snd_intel8x0 snd_pcm_oss<br>> &n=
bsp; snd_mixer_oss snd_intel8x0m snd_ac97_codec snd_ac97_bus eh=
ci_hcd uhci_hcd
<br>> ide_cd snd_pcm snd_timer snd hw_random rtc=
intel_agp agpgart usbcore<br>> cdrom shpchp pci=
_hotplug soundcore snd_page_alloc unix<br>> Feb =
21 15:24:09 localhost kernel: CPU: 0<br>> &n=
bsp; Feb 21 15:24:09 localhost kernel: EIP: &n=
bsp;0060:[<000004bd>] Not tainted
<br>> VLI<br>> Feb 21=
15:24:09 localhost kernel: EFLAGS: 00010206 (2.6.15)<br>>&n=
bsp; Feb 21 15:24:09 localhost kernel: EIP is at 0x4bd<br=
>> Feb 21 15:24:09 localhost kernel: eax: efceae=
c0 ebx: efceaec0 ecx:
<br>> 00000000<br>> &n=
bsp; edx: 000004bd<br>> Feb 21 15:24:09 lo=
calhost kernel: esi: efcfbbf4 edi: ffffffe7 ebp:<br=
>> 08055828<br>>  =
; esp: d4055e10<br>> Feb 21 15:24:09 local=
host kernel: ds: 007b es: 007b ss: 0068
<br>> Feb 21 15:24:09 localhost kernel: Process =
hdparm (pid: 24316, threadinfo=3D<br>> d4054000 =
task=3Dd6ca3a70)<br>> Feb 21 15:24:09 localhost =
kernel: Stack: c018c8cf efcfbbe4 c018e659<br>> 0=
8055828 efcfbbe4 c0191d9a efcd9480 cb7a4740
<br>> Feb 21 15:24:09 localhost kernel: &nb=
sp; c01de5a2 c01de5aa 00000001<br>>&n=
bsp; d4055efc c01de5aa 00000009 e4e69800 d6a13000<br>>=
Feb 21 15:24:09 localhost kernel:  =
; d6a13110 ffffffff 00200246<br>
> 00000000 00000004 c14af4a0 c16e4900 f18c44e0<b=
r>> Feb 21 15:24:09 localhost kernel: Call Trace=
:<br>> Feb 21 15:24:09 localhost kernel: &n=
bsp;[elevator_exit+16/39] elevator_exit+0x10<br>>  =
; /0x27Feb 21 15:24:09 localhost kernel: [blk_cleanup_queue+32/9=
3]
<br>> blk_cleanup_queue+0x20/0x5d<br>> &=
nbsp; Feb 21 15:24:09 localhost kernel: [scsi_cmd_io=
ctl+774/796]<br>> scsi_cmd_ioctl+0x306/0x31c<br>=
> Feb 21 15:24:09 localhost kernel: [=
n_tty_receive_buf+2528/2583]
<br>> n_tty_receive_buf+0x9e0/0xa17<br>> =
; Feb 21 15:24:09 localhost kernel: [n_tty_rec=
eive_buf+2536/2583]<br>> n_tty_receive_buf+0x9e8=
/0xa17<br>> Feb 21 15:24:09 localhost kernel:&nb=
sp; [n_tty_receive_buf+2536/2583]
<br>> n_tty_receive_buf+0x9e8/0xa17<br>> =
; Feb 21 15:24:09 localhost kernel: [pg0+82787=
6395/1070355456]<br>> idecd_revalidate_disk+0x10=
/0x16 [ide_cd]<br>> Feb 21 15:24:09 localhost ke=
rnel: [printk+18/22] printk+0x12/0x16
<br>> Feb 21 15:24:09 localhost kernel: &nb=
sp;[pg0+810681314/1070355456]<br>> cdrom_ioctl+0=
x25/0x9e5 [cdrom]<br>> Feb 21 15:24:09 localhost=
kernel: [pty_write+49/61] pty_write+0x31/0x3d<br>> &nbs=
p; Feb 21 15:24:09 localhost kernel: [filemap_nopage=
+358/683]
<br>> filemap_nopage+0x166/0x2ab<br>> &n=
bsp; Feb 21 15:24:09 localhost kernel: [pg0+82787635=
9/1070355456]<br>> idecd_ioctl+0x3e/0x45 [ide_cd=
]<br>> Feb 21 15:24:09 localhost kernel: &n=
bsp;[pg0+827876297/1070355456]
<br>> idecd_ioctl+0x0/0x45 [ide_cd]<br>> =
; Feb 21 15:24:09 localhost kernel: [blkdev_dr=
iver_ioctl+57/63]<br>> blkdev_driver_ioctl+0x39/=
0x3f<br>> Feb 21 15:24:09 localhost kernel: =
; [blkdev_ioctl+259/279]
<br>> blkdev_ioctl+0x103/0x117<br>> &nbs=
p; Feb 21 15:24:09 localhost kernel: [block_ioctl+0/=
22] block_ioctl+0x0/0x16<br>> Feb 21 15:24:09 lo=
calhost kernel: [block_ioctl+19/22] block_ioctl+0x13/<br>>&nb=
sp; 0x16
<br>> Feb 21 15:24:09 localhost kernel: &nb=
sp;[do_ioctl+22/72] do_ioctl+0x16/0x48<br>> Feb =
21 15:24:09 localhost kernel: [vfs_ioctl+336/350] vfs_ioctl+0x15=
0/<br>> 0x15e<br>> Fe=
b 21 15:24:09 localhost kernel: [sys_ioctl+42/64] sys_ioctl+0x2a=
/0x40
<br>> Feb 21 15:24:09 localhost kernel: &nb=
sp;[syscall_call+7/11] syscall_call+0x7/0xb<br>> =
Feb 21 15:24:09 localhost kernel: Code: Bad EIP value.<br>><=
br>><br>> graziano<br>> &=
nbsp; --<br>> The linux-thinkpad mailing list ho=
me page is at:
<br>> <a href=3D"http://mailman.linux-thinkpad.o=
rg/mailman/listinfo/linux-thinkpad">http://mailman.linux-thinkpad.org/mailm=
an/listinfo/linux-thinkpad</a><br>><br>><br><br>--<br>+--------------=
---------+--------------------------+
<br>| Graziano Obertelli | CS Dept. Rm 102 &nbs=
p; |<br>| <a href=3D"mailto:=
graziano@cs.ucsb.edu">graziano@cs.ucsb.edu</a> | University of C=
alifornia |<br>| (805) 893-5212 &n=
bsp;| Santa Barbara, CA 93106 |<br>+-----------------------+----=
----------------------+
<br>--<br>The linux-thinkpad mailing list home page is at:<br><a href=3D"ht=
tp://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad">http://mai=
lman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad</a><br></blockquote=
>
</div><br>
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