* [2.6.8-rc1-mm1][CD-Burning]kernel BUG at mm/page_alloc.c:796
@ 2004-07-14 21:36 Alexander Gran
2004-07-15 9:00 ` Jens Axboe
0 siblings, 1 reply; 3+ messages in thread
From: Alexander Gran @ 2004-07-14 21:36 UTC (permalink / raw)
To: linux-kernel; +Cc: Andrew Morton
Hi,
I cannot burn cd's with 2.6.8-rc1-mm1.
System is Fujustu Siemens Celsius, detailed info below.
I hope it is not NVidias fault, but I don't think so.
I gonna check older kernels now.
root@ipt-cax-ws1: /root >cdrecord dev=/dev/hdc --checkdrive
results in:
------------[ cut here ]------------
kernel BUG at mm/page_alloc.c:796!
invalid operand: 0000 [#1]
PREEMPT SMP
Modules linked in: nvidia thermal processor fan button battery ac
CPU: 0
EIP: 0060:[<c01421ef>] Tainted: P VLI
EFLAGS: 00010246 (2.6.8-rc1-mm1)
EIP is at __free_pages+0x3e/0x48
eax: ffffffff ebx: c2197400 ecx: c16c94a0 edx: 00000000
esi: c2191600 edi: 00000001 ebp: c2191680 esp: f52ddd34
ds: 007b es: 007b ss: 0068
Process cdrecord (pid: 1968, threadinfo=f52dc000 task=f5f562b0)
Stack: c2197400 c2191600 c0164b78 c2191600 f64a5000 00000100 fffffff2 00000000
00079963 c2191680 00000000 c0392dcb c2191680 f5223eac c0396b2c f5223eac
c2191680 00000100 00000100 21000046 01000000 00000000 f64d7930 00000000
Call Trace:
[<c0164b78>] bio_uncopy_user+0x84/0xa9
[<c0392dcb>] blk_rq_unmap_user+0x37/0x4c
[<c0396b2c>] sg_io+0x296/0x310
[<c03971dc>] scsi_cmd_ioctl+0x363/0x487
[<c0364e02>] pty_write+0x123/0x162
[<c032c640>] copy_from_user+0x4a/0x76
[<c0364e02>] pty_write+0x123/0x162
[<c047c530>] cdrom_ioctl+0x45/0xe04
[<c011d6d9>] default_wake_function+0x0/0x12
[<c011d6d9>] default_wake_function+0x0/0x12
[<c035dc23>] tty_write+0x29d/0x316
[<c03f0f24>] idecd_ioctl+0x70/0x84
[<c03f0eb4>] idecd_ioctl+0x0/0x84
[<c0395158>] blkdev_ioctl+0xa5/0x478
[<c01736e1>] sys_ioctl+0x22e/0x2c1
[<c01061d7>] syscall_call+0x7/0xb
Code: 2a f0 83 41 04 ff 0f 98 c0 84 c0 74 1a 85 d2 75 0a 89 c8 83 c4 08 e9 6a
f9 ff ff 89 54 24 04 89 0c 24 e8 6c f3 ff ff 83 c4 08 c3 <0f> 0b 1c 03 83 a9
5f c0 eb cc 85 c0 74 1e 05 00 00 00 40 c1 e8
System info:
root@ipt-cax-ws1: /root >cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 3.06GHz
stepping : 9
cpu MHz : 3066.053
cache size : 512 KB
physical id : 0
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
bogomips : 6062.08
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 3.06GHz
stepping : 9
cpu MHz : 3066.053
cache size : 512 KB
physical id : 0
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
bogomips : 6127.61
processor : 2
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 3.06GHz
stepping : 9
cpu MHz : 3066.053
cache size : 512 KB
physical id : 3
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
bogomips : 6127.61
processor : 3
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 3.06GHz
stepping : 9
cpu MHz : 3066.053
cache size : 512 KB
physical id : 3
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
bogomips : 6127.61
root@ipt-cax-ws1: /root >lspci
00:00.0 Host bridge: Intel Corp. E7505 Memory Controller Hub (rev 03)
00:00.1 Class ff00: Intel Corp. E7000 Series RAS Controller (rev 03)
00:01.0 PCI bridge: Intel Corp. E7000 Series Processor to AGP Controller (rev
03)
00:02.0 PCI bridge: Intel Corp. E7000 Series Hub Interface B PCI-to-PCI Bridge
(rev 03)
00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 02)
00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 02)
00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 02)
00:1d.7 USB Controller: Intel Corp. 82801DB USB2 (rev 02)
00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB/EB PCI Bridge (rev 82)
00:1f.0 ISA bridge: Intel Corp. 82801DB LPC Interface Controller (rev 02)
00:1f.1 IDE interface: Intel Corp. 82801DB Ultra ATA Storage Controller (rev
02)
00:1f.3 SMBus: Intel Corp. 82801DB/DBM SMBus Controller (rev 02)
00:1f.5 Multimedia audio controller: Intel Corp. 82801DB AC'97 Audio
Controller (rev 02)
01:00.0 VGA compatible controller: nVidia Corporation NV35GL [Quadro FX 3000]
(rev a1)
02:1c.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 04)
02:1d.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 04)
02:1e.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 04)
02:1f.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 04)
03:05.0 SCSI storage controller: Adaptec AIC-7902 U320 (rev 03)
03:05.1 SCSI storage controller: Adaptec AIC-7902 U320 (rev 03)
05:03.0 Ethernet controller: Intel Corp. 82540EM Gigabit Ethernet Controller
(rev 02)
root@ipt-cax-ws1: /root >cdrecord -version
Cdrecord-Clone 2.01a18-dvd (i686-suse-linux) Copyright (C) 1995-2003 Jörg
Schilling
root@ipt-cax-ws1: /root >dmesg | grep hdc
ide1: BM-DMA at 0x18a8-0x18af, BIOS settings: hdc:DMA, hdd:pio
hdc: _NEC DVD+RW ND-1100A, ATAPI CD/DVD-ROM drive
hdc: ATAPI 32X DVD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
hdc: CHECK for good STATUS
root@ipt-cax-ws1: /root >hdparm /dev/hdc
/dev/hdc:
HDIO_GET_MULTCOUNT failed: Invalid argument
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
HDIO_GETGEO failed: Invalid argument
regards
Alex
--
Encrypted Mails welcome.
PGP-Key at http://zodiac.dnsalias.org/misc/pgpkey.asc | Key-ID: 0x6D7DD291
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [2.6.8-rc1-mm1][CD-Burning]kernel BUG at mm/page_alloc.c:796 2004-07-14 21:36 [2.6.8-rc1-mm1][CD-Burning]kernel BUG at mm/page_alloc.c:796 Alexander Gran @ 2004-07-15 9:00 ` Jens Axboe 2004-07-15 13:46 ` Alexander Gran 0 siblings, 1 reply; 3+ messages in thread From: Jens Axboe @ 2004-07-15 9:00 UTC (permalink / raw) To: Alexander Gran; +Cc: linux-kernel, Andrew Morton, j On Wed, Jul 14 2004, Alexander Gran wrote: > Hi, > > I cannot burn cd's with 2.6.8-rc1-mm1. > System is Fujustu Siemens Celsius, detailed info below. > I hope it is not NVidias fault, but I don't think so. > I gonna check older kernels now. > > root@ipt-cax-ws1: /root >cdrecord dev=/dev/hdc --checkdrive > results in: > ------------[ cut here ]------------ > kernel BUG at mm/page_alloc.c:796! > invalid operand: 0000 [#1] > PREEMPT SMP > Modules linked in: nvidia thermal processor fan button battery ac > CPU: 0 > EIP: 0060:[<c01421ef>] Tainted: P VLI > EFLAGS: 00010246 (2.6.8-rc1-mm1) > EIP is at __free_pages+0x3e/0x48 > eax: ffffffff ebx: c2197400 ecx: c16c94a0 edx: 00000000 > esi: c2191600 edi: 00000001 ebp: c2191680 esp: f52ddd34 > ds: 007b es: 007b ss: 0068 > Process cdrecord (pid: 1968, threadinfo=f52dc000 task=f5f562b0) > Stack: c2197400 c2191600 c0164b78 c2191600 f64a5000 00000100 fffffff2 00000000 > 00079963 c2191680 00000000 c0392dcb c2191680 f5223eac c0396b2c f5223eac > c2191680 00000100 00000100 21000046 01000000 00000000 f64d7930 00000000 > Call Trace: > [<c0164b78>] bio_uncopy_user+0x84/0xa9 > [<c0392dcb>] blk_rq_unmap_user+0x37/0x4c > [<c0396b2c>] sg_io+0x296/0x310 > [<c03971dc>] scsi_cmd_ioctl+0x363/0x487 Can you check if this patch works for you? Andrew, this also fixes a problem in the bouncing for io errors (it needs to free the pages and clear the BIO_UPTODATE flag, not set it. it's already set. passing -EIO to bio_endio() takes care of that). diff -urp -X /home/axboe/cdrom/exclude /opt/kernel/linux-2.6.8-rc1-mm1/drivers/block/ll_rw_blk.c linux-2.6.8-rc1-mm1/drivers/block/ll_rw_blk.c --- /opt/kernel/linux-2.6.8-rc1-mm1/drivers/block/ll_rw_blk.c 2004-07-15 10:41:31.678544355 +0200 +++ linux-2.6.8-rc1-mm1/drivers/block/ll_rw_blk.c 2004-07-15 10:43:09.096987402 +0200 @@ -1853,6 +1853,12 @@ EXPORT_SYMBOL(blk_insert_request); * * A matching blk_rq_unmap_user() must be issued at the end of io, while * still in process context. + * + * Note: The mapped bio may need to be bounced through blk_queue_bounce() + * before being submitted to the device, as pages mapped may be out of + * reach. It's the callers responsibility to make sure this happens. The + * original bio must be passed back in to blk_rq_unmap_user() for proper + * unmapping. */ struct request *blk_rq_map_user(request_queue_t *q, int rw, void __user *ubuf, unsigned int len) diff -urp -X /home/axboe/cdrom/exclude /opt/kernel/linux-2.6.8-rc1-mm1/drivers/block/scsi_ioctl.c linux-2.6.8-rc1-mm1/drivers/block/scsi_ioctl.c --- /opt/kernel/linux-2.6.8-rc1-mm1/drivers/block/scsi_ioctl.c 2004-07-15 10:41:31.762535252 +0200 +++ linux-2.6.8-rc1-mm1/drivers/block/scsi_ioctl.c 2004-07-15 10:43:09.092987835 +0200 @@ -170,6 +170,13 @@ static int sg_io(request_queue_t *q, str rq->flags |= REQ_BLOCK_PC; bio = rq->bio; + /* + * bounce this after holding a reference to the original bio, it's + * needed for proper unmapping + */ + if (rq->bio) + blk_queue_bounce(q, &rq->bio); + rq->timeout = (hdr->timeout * HZ) / 1000; if (!rq->timeout) rq->timeout = q->sg_timeout; diff -urp -X /home/axboe/cdrom/exclude /opt/kernel/linux-2.6.8-rc1-mm1/drivers/cdrom/cdrom.c linux-2.6.8-rc1-mm1/drivers/cdrom/cdrom.c --- /opt/kernel/linux-2.6.8-rc1-mm1/drivers/cdrom/cdrom.c 2004-07-15 10:41:32.994401746 +0200 +++ linux-2.6.8-rc1-mm1/drivers/cdrom/cdrom.c 2004-07-15 10:43:09.094987619 +0200 @@ -2082,6 +2082,9 @@ static int cdrom_read_cdda_bpc(struct cd rq->timeout = 60 * HZ; bio = rq->bio; + if (rq->bio) + blk_queue_bounce(q, &rq->bio); + if (blk_execute_rq(q, cdi->disk, rq)) { struct request_sense *s = rq->sense; ret = -EIO; diff -urp -X /home/axboe/cdrom/exclude /opt/kernel/linux-2.6.8-rc1-mm1/fs/bio.c linux-2.6.8-rc1-mm1/fs/bio.c --- /opt/kernel/linux-2.6.8-rc1-mm1/fs/bio.c 2004-07-15 10:41:44.105197605 +0200 +++ linux-2.6.8-rc1-mm1/fs/bio.c 2004-07-15 10:43:09.091987944 +0200 @@ -557,7 +557,6 @@ static struct bio *__bio_map_user(reques bio->bi_rw |= (1 << BIO_RW); bio->bi_flags |= (1 << BIO_USER_MAPPED); - blk_queue_bounce(q, &bio); return bio; out: kfree(pages); diff -urp -X /home/axboe/cdrom/exclude /opt/kernel/linux-2.6.8-rc1-mm1/mm/highmem.c linux-2.6.8-rc1-mm1/mm/highmem.c --- /opt/kernel/linux-2.6.8-rc1-mm1/mm/highmem.c 2004-07-15 10:41:50.046553716 +0200 +++ linux-2.6.8-rc1-mm1/mm/highmem.c 2004-07-15 10:43:09.090988052 +0200 @@ -308,12 +308,10 @@ static void bounce_end_io(struct bio *bi { struct bio *bio_orig = bio->bi_private; struct bio_vec *bvec, *org_vec; - int i; + int i, err = 0; if (!test_bit(BIO_UPTODATE, &bio->bi_flags)) - goto out_eio; - - set_bit(BIO_UPTODATE, &bio_orig->bi_flags); + err = -EIO; /* * free up bounce indirect pages used @@ -326,8 +324,7 @@ static void bounce_end_io(struct bio *bi mempool_free(bvec->bv_page, pool); } -out_eio: - bio_endio(bio_orig, bio_orig->bi_size, 0); + bio_endio(bio_orig, bio_orig->bi_size, err); bio_put(bio); } -- Jens Axboe ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [2.6.8-rc1-mm1][CD-Burning]kernel BUG at mm/page_alloc.c:796 2004-07-15 9:00 ` Jens Axboe @ 2004-07-15 13:46 ` Alexander Gran 0 siblings, 0 replies; 3+ messages in thread From: Alexander Gran @ 2004-07-15 13:46 UTC (permalink / raw) To: Jens Axboe; +Cc: linux-kernel, Andrew Morton, j, cadcam Hi, the patch does the trick. Thanks for the fast response ;) regards Alex Am Donnerstag, 15. Juli 2004 11:00 schrieb Jens Axboe: > On Wed, Jul 14 2004, Alexander Gran wrote: > > Hi, > > > > I cannot burn cd's with 2.6.8-rc1-mm1. > > System is Fujustu Siemens Celsius, detailed info below. > > I hope it is not NVidias fault, but I don't think so. > > I gonna check older kernels now. > > > > root@ipt-cax-ws1: /root >cdrecord dev=/dev/hdc --checkdrive > > results in: > > ------------[ cut here ]------------ > > kernel BUG at mm/page_alloc.c:796! > > invalid operand: 0000 [#1] > > PREEMPT SMP > > Modules linked in: nvidia thermal processor fan button battery ac > > CPU: 0 > > EIP: 0060:[<c01421ef>] Tainted: P VLI > > EFLAGS: 00010246 (2.6.8-rc1-mm1) > > EIP is at __free_pages+0x3e/0x48 > > eax: ffffffff ebx: c2197400 ecx: c16c94a0 edx: 00000000 > > esi: c2191600 edi: 00000001 ebp: c2191680 esp: f52ddd34 > > ds: 007b es: 007b ss: 0068 > > Process cdrecord (pid: 1968, threadinfo=f52dc000 task=f5f562b0) > > Stack: c2197400 c2191600 c0164b78 c2191600 f64a5000 00000100 fffffff2 > > 00000000 00079963 c2191680 00000000 c0392dcb c2191680 f5223eac c0396b2c > > f5223eac c2191680 00000100 00000100 21000046 01000000 00000000 f64d7930 > > 00000000 Call Trace: > > [<c0164b78>] bio_uncopy_user+0x84/0xa9 > > [<c0392dcb>] blk_rq_unmap_user+0x37/0x4c > > [<c0396b2c>] sg_io+0x296/0x310 > > [<c03971dc>] scsi_cmd_ioctl+0x363/0x487 > > Can you check if this patch works for you? Andrew, this also fixes a > problem in the bouncing for io errors (it needs to free the pages and > clear the BIO_UPTODATE flag, not set it. it's already set. passing -EIO > to bio_endio() takes care of that). > > diff -urp -X /home/axboe/cdrom/exclude > /opt/kernel/linux-2.6.8-rc1-mm1/drivers/block/ll_rw_blk.c > linux-2.6.8-rc1-mm1/drivers/block/ll_rw_blk.c --- > /opt/kernel/linux-2.6.8-rc1-mm1/drivers/block/ll_rw_blk.c 2004-07-15 > 10:41:31.678544355 +0200 +++ > linux-2.6.8-rc1-mm1/drivers/block/ll_rw_blk.c 2004-07-15 10:43:09.096987402 > +0200 @@ -1853,6 +1853,12 @@ EXPORT_SYMBOL(blk_insert_request); > * > * A matching blk_rq_unmap_user() must be issued at the end of io, > while * still in process context. > + * > + * Note: The mapped bio may need to be bounced through > blk_queue_bounce() + * before being submitted to the device, as pages > mapped may be out of + * reach. It's the callers responsibility to make > sure this happens. The + * original bio must be passed back in to > blk_rq_unmap_user() for proper + * unmapping. > */ > struct request *blk_rq_map_user(request_queue_t *q, int rw, void __user > *ubuf, unsigned int len) > diff -urp -X /home/axboe/cdrom/exclude > /opt/kernel/linux-2.6.8-rc1-mm1/drivers/block/scsi_ioctl.c > linux-2.6.8-rc1-mm1/drivers/block/scsi_ioctl.c --- > /opt/kernel/linux-2.6.8-rc1-mm1/drivers/block/scsi_ioctl.c 2004-07-15 > 10:41:31.762535252 +0200 +++ > linux-2.6.8-rc1-mm1/drivers/block/scsi_ioctl.c 2004-07-15 > 10:43:09.092987835 +0200 @@ -170,6 +170,13 @@ static int > sg_io(request_queue_t *q, str > rq->flags |= REQ_BLOCK_PC; > bio = rq->bio; > > + /* > + * bounce this after holding a reference to the original bio, it's > + * needed for proper unmapping > + */ > + if (rq->bio) > + blk_queue_bounce(q, &rq->bio); > + > rq->timeout = (hdr->timeout * HZ) / 1000; > if (!rq->timeout) > rq->timeout = q->sg_timeout; > diff -urp -X /home/axboe/cdrom/exclude > /opt/kernel/linux-2.6.8-rc1-mm1/drivers/cdrom/cdrom.c > linux-2.6.8-rc1-mm1/drivers/cdrom/cdrom.c --- > /opt/kernel/linux-2.6.8-rc1-mm1/drivers/cdrom/cdrom.c 2004-07-15 > 10:41:32.994401746 +0200 +++ > linux-2.6.8-rc1-mm1/drivers/cdrom/cdrom.c 2004-07-15 10:43:09.094987619 > +0200 @@ -2082,6 +2082,9 @@ static int cdrom_read_cdda_bpc(struct cd > rq->timeout = 60 * HZ; > bio = rq->bio; > > + if (rq->bio) > + blk_queue_bounce(q, &rq->bio); > + > if (blk_execute_rq(q, cdi->disk, rq)) { > struct request_sense *s = rq->sense; > ret = -EIO; > diff -urp -X /home/axboe/cdrom/exclude > /opt/kernel/linux-2.6.8-rc1-mm1/fs/bio.c linux-2.6.8-rc1-mm1/fs/bio.c --- > /opt/kernel/linux-2.6.8-rc1-mm1/fs/bio.c 2004-07-15 10:41:44.105197605 > +0200 +++ linux-2.6.8-rc1-mm1/fs/bio.c 2004-07-15 10:43:09.091987944 +0200 > @@ -557,7 +557,6 @@ static struct bio *__bio_map_user(reques > bio->bi_rw |= (1 << BIO_RW); > > bio->bi_flags |= (1 << BIO_USER_MAPPED); > - blk_queue_bounce(q, &bio); > return bio; > out: > kfree(pages); > diff -urp -X /home/axboe/cdrom/exclude > /opt/kernel/linux-2.6.8-rc1-mm1/mm/highmem.c > linux-2.6.8-rc1-mm1/mm/highmem.c --- > /opt/kernel/linux-2.6.8-rc1-mm1/mm/highmem.c 2004-07-15 10:41:50.046553716 > +0200 +++ linux-2.6.8-rc1-mm1/mm/highmem.c 2004-07-15 10:43:09.090988052 > +0200 @@ -308,12 +308,10 @@ static void bounce_end_io(struct bio *bi > { > struct bio *bio_orig = bio->bi_private; > struct bio_vec *bvec, *org_vec; > - int i; > + int i, err = 0; > > if (!test_bit(BIO_UPTODATE, &bio->bi_flags)) > - goto out_eio; > - > - set_bit(BIO_UPTODATE, &bio_orig->bi_flags); > + err = -EIO; > > /* > * free up bounce indirect pages used > @@ -326,8 +324,7 @@ static void bounce_end_io(struct bio *bi > mempool_free(bvec->bv_page, pool); > } > > -out_eio: > - bio_endio(bio_orig, bio_orig->bi_size, 0); > + bio_endio(bio_orig, bio_orig->bi_size, err); > bio_put(bio); > } -- Encrypted Mails welcome. PGP-Key at http://zodiac.dnsalias.org/misc/pgpkey.asc | Key-ID: 0x6D7DD291 ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2004-07-15 13:52 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2004-07-14 21:36 [2.6.8-rc1-mm1][CD-Burning]kernel BUG at mm/page_alloc.c:796 Alexander Gran 2004-07-15 9:00 ` Jens Axboe 2004-07-15 13:46 ` Alexander Gran
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