2.6.14.2 - Badness in as_insert_request at drivers/block/as-iosched.c:1519

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Morning,

I am getting loads of these:

Nov 21 08:10:19 lenin kernel: [17304475.764000] arq->state: 4
Nov 21 08:10:19 lenin kernel: [17304475.764000] Badness in
as_insert_request at drivers/block/as-iosched.c:1519
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[as_insert_request+109/464] as_insert_request+0x6d/0x1d0
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[__elv_add_request+155/224] __elv_add_request+0x9b/0xe0
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[elv_add_request+43/64] elv_add_request+0x2b/0x40
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[blk_execute_rq_nowait+69/96] blk_execute_rq_nowait+0x45/0x60
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[blk_execute_rq+123/224] blk_execute_rq+0x7b/0xe0
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[blk_end_sync_rq+0/48] blk_end_sync_rq+0x0/0x30
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[bio_phys_segments+39/48] bio_phys_segments+0x27/0x30
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[blk_rq_bio_prep+133/176] blk_rq_bio_prep+0x85/0xb0
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[cdrom_read_cdda_bpc+403/512] cdrom_read_cdda_bpc+0x193/0x200
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[cdrom_read_cdda+91/192] cdrom_read_cdda+0x5b/0xc0
Nov 21 08:10:19 lenin kernel: [17304475.764000]  [mmc_ioctl+2098/2784]
mmc_ioctl+0x832/0xae0
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[__wake_up_common+67/112] __wake_up_common+0x43/0x70
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[scsi_cmd_ioctl+191/1328] scsi_cmd_ioctl+0xbf/0x530
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[n_tty_receive_buf+225/3888] n_tty_receive_buf+0xe1/0xf30
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[log_wait_commit+202/256] log_wait_commit+0xca/0x100
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[fast_clear_page+10/80] fast_clear_page+0xa/0x50
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[buffered_rmqueue+398/480] buffered_rmqueue+0x18e/0x1e0
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[generic_ide_ioctl+60/1408] generic_ide_ioctl+0x3c/0x580
Nov 21 08:10:19 lenin kernel: [17304475.764000] 
[cdrom_ioctl+230/3536] cdrom_ioctl+0xe6/0xdd0
Nov 21 08:10:20 lenin kernel: [17304475.764000]  [pty_write+103/128]
pty_write+0x67/0x80
Nov 21 08:10:20 lenin kernel: [17304475.764000]  [idecd_ioctl+133/160]
idecd_ioctl+0x85/0xa0
Nov 21 08:10:20 lenin kernel: [17304475.764000] 
[blkdev_ioctl+304/432] blkdev_ioctl+0x130/0x1b0
Nov 21 08:10:20 lenin kernel: [17304475.764000]  [block_ioctl+43/48]
block_ioctl+0x2b/0x30
Nov 21 08:10:20 lenin kernel: [17304475.764000]  [do_ioctl+50/144]
do_ioctl+0x32/0x90
Nov 21 08:10:20 lenin kernel: [17304475.764000]  [vfs_ioctl+96/496]
vfs_ioctl+0x60/0x1f0
Nov 21 08:10:20 lenin kernel: [17304475.764000]  [sys_ioctl+136/160]
sys_ioctl+0x88/0xa0
Nov 21 08:10:20 lenin kernel: [17304475.764000] 
[sysenter_past_esp+84/117] sysenter_past_esp+0x54/0x75

I flipped the drive (LG GSA4167B DVD±RW) into udma2 mode, enabled udma
and started reading from an audio disc with cdparanoia. I had to abort
the read (^C in shell where running cdparanoia) and noticed the system
became slower for a while. When checking the system logs, I spotted
these stacktraces.

System is a Asus A7V600 box, the DVD drive hangs off the primary
internal IDE bus. discs are attached to a siimage PCI card.

root@lenin:~# /usr/src/linux/scripts/ver_linux
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux lenin 2.6.14 #1 Fri Nov 18 05:27:31 GMT 2005 i686 GNU/Linux

Gnu C                  4.0.2
Gnu make               3.80
binutils               2.16.1
util-linux             2.12p
mount                  2.12p
module-init-tools      3.2-pre7
e2fsprogs              1.38
jfsutils               1.1.8
reiserfsprogs          3.6.19
reiser4progs           1.0.4
xfsprogs               2.6.28
pcmcia-cs              3.2.5
PPP                    2.4.3
Linux C Library        2.3.5
Dynamic linker (ldd)   2.3.5
Procps                 3.2.5
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               5.2.1
udev                   060
Modules Loaded         nls_cp437 isofs nls_utf8 udf nvidia rfcomm
l2cap pktcdvd capability commoncap video thermal processor fan button
container ac battery analog hci_usb bluetooth usblp usbhid usb_storage
snd_seq_dummy snd_seq_oss snd_seq_midi snd_seq_midi_event snd_seq
snd_via82xx gameport snd_ac97_codec snd_ac97_bus snd_pcm_oss
snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_mpu401_uart
snd_rawmidi snd_seq_device snd soundcore ipt_MASQUERADE ehci_hcd
iptable_nat ip_nat ipt_REJECT ipt_multiport ipt_state ip6table_filter
ip6_tables ipv6 iptable_filter ip_tables ip_conntrack_tftp
ip_conntrack_proto_sctp ip_conntrack_pptp ip_conntrack_netbios_ns
ip_conntrack_irc ip_conntrack_ftp ip_conntrack_amanda ip_conntrack
uhci_hcd usbcore generic sk98lin via_agp agpgart tsdev it87 hwmon_vid
eeprom i2c_isa i2c_viapro i2c_core psmouse mousedev ide_generic unix

Kernel config is attached.

Is this something that is known and fixed in later kernels?


--
Anders Karlsson <[email protected]>

Attachment: config-2.6.14
Description: Binary data


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