From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugme-daemon@bugzilla.kernel.org
Subject: [Bug 12320] New: warn_on_slowpath when playing audio CD
Date: Sun, 28 Dec 2008 22:31:46 -0800 (PST)
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http://bugzilla.kernel.org/show_bug.cgi?id=12320
Summary: warn_on_slowpath when playing audio CD
Product: IO/Storage
Version: 2.5
KernelVersion: 2.6.28
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: IDE
AssignedTo: io_ide@kernel-bugs.osdl.org
ReportedBy: nm127@freemail.hu
Latest working kernel version:
Earliest failing kernel version:
Distribution:
Hardware Environment: Clevo D410J + Optiarc DVD RW AD-7543A
Software Environment: Debian
Problem Description:
The following warning appears in dmesg with Linux 2.6.28 when playing an audio
CD with kaffeine 0.8.7. The warning message repeats until the audio playback is
not stopped.
[ 623.491756] ------------[ cut here ]------------
[ 623.491770] WARNING: at arch/x86/kernel/pci-nommu.c:62
nommu_map_sg+0x22/0xb0()
[ 623.491776] Modules linked in: ppdev lp cpufreq_ondemand
cpufreq_conservative ipv6 xt_tcpudp iptable_filter ip_tables x_tables l
eds_clevo_mail led_class via via_agp drm agpgart eeprom snd_pcm_oss
snd_mixer_oss cpufreq_userspace cpufreq_powersave powernow_k8 f
an snd_via82xx snd_mpu401_uart snd_seq_midi snd_seq_midi_event mousedev
snd_via82xx_modem snd_ac97_codec ac97_bus snd_rawmidi snd_p
cm snd_seq snd_timer snd_seq_device pcmcia firmware_class i2c_viapro snd
ehci_hcd pcspkr uhci_hcd k8temp hwmon psmouse serio_raw 81
39too mii snd_page_alloc soundcore ide_cd_mod cdrom i2c_core usbcore bitrev
crc32 yenta_socket rsrc_nonstatic pcmcia_core 8250_pnp
8250 video backlight output serial_core parport_pc parport battery ac thermal
button processor evdev
[ 623.491932] Pid: 4418, comm: kaffeine Not tainted 2.6.28 #1
[ 623.491939] Call Trace:
[ 623.491952] [] ? printk+0x18/0x21
[ 623.491962] [] warn_on_slowpath+0x54/0x80
[ 623.491976] [] ? __find_get_block_slow+0x75/0x130
[ 623.491985] [] nommu_map_sg+0x22/0xb0
[ 623.491995] [] ide_build_sglist+0x4a/0x60
[ 623.492004] [] ide_build_dmatable+0x36/0x1a0
[ 623.492012] [] ide_dma_setup+0x3c/0x100
[ 623.492017] [] ? cdrom_do_newpc_cont+0x0/0x20 [ide_cd_mod]
[ 623.492017] [] ide_cd_do_request+0x473/0x8b0 [ide_cd_mod]
[ 623.492017] [] ? delay_tsc+0x6c/0xb4
[ 623.492017] [] ? __const_udelay+0x1b/0x20
[ 623.492017] [] ? __ide_wait_stat+0x52/0x120
[ 623.492017] [] ? ide_wait_stat+0x3f/0x90
[ 623.492017] [] ide_do_request+0x48c/0xab0
[ 623.492017] [] ? _spin_lock_irqsave+0x4d/0x60
[ 623.492017] [] ? trace_hardirqs_off+0xb/0x10
[ 623.492017] [] ? _spin_unlock_irqrestore+0x39/0x70
[ 623.492017] [] ? del_timer+0x66/0x80
[ 623.492017] [] do_ide_request+0x19/0x20
[ 623.492017] [] blk_start_queueing+0x18/0x40
[ 623.492017] [] elv_insert+0x114/0x1e0
[ 623.492017] [] ? mod_timer+0x37/0x80
[ 623.492017] [] __elv_add_request+0x71/0xc0
[ 623.492017] [] blk_execute_rq_nowait+0x55/0xa0
[ 623.492017] [] blk_execute_rq+0x70/0xc0
[ 623.492017] [] ? blk_end_sync_rq+0x0/0x30
[ 623.492017] [] ? trace_hardirqs_on_caller+0xf6/0x140
[ 623.492017] [] ? cfq_set_request+0x0/0x330
[ 623.492017] [] ? elv_set_request+0x1f/0x50
[ 623.492017] [] ? get_request+0x25c/0x290
[ 623.492017] [] ? get_request_wait+0x1d/0x100
[ 623.492017] [] ide_cd_queue_pc+0xb8/0x1b0 [ide_cd_mod]
[ 623.492017] [] ? trace_hardirqs_off+0xb/0x10
[ 623.492017] [] ? _spin_unlock_irqrestore+0x39/0x70
[ 623.492017] [] ? do_ide_request+0x19/0x20
[ 623.492017] [] ide_cdrom_packet+0x8e/0xc0 [ide_cd_mod]
[ 623.492017] [] cdrom_read_block+0xa3/0xd0 [cdrom]
[ 623.492017] [] mmc_ioctl+0x1633/0x19b0 [cdrom]
[ 623.492017] [] ? mark_held_locks+0x41/0x80
[ 623.492017] [] ? _spin_unlock_irq+0x22/0x50
[ 623.492017] [] ? trace_hardirqs_on_caller+0x6f/0x140
[ 623.492017] [] ? trace_hardirqs_on+0xb/0x10
[ 623.492017] [] ? _spin_unlock_irq+0x2d/0x50
[ 623.492017] [] ? run_timer_softirq+0x15f/0x1e0
[ 623.492017] [] ? hrtimer_interrupt+0x160/0x190
[ 623.492017] [] ? kobject_get+0x12/0x20
[ 623.492017] [] ? blk_put_queue+0xd/0x10
[ 623.492017] [] ? scsi_cmd_ioctl+0xa3/0x4d0
[ 623.492017] [] ? generic_ide_ioctl+0x2c/0x5d0
[ 623.492017] [] cdrom_ioctl+0x7a/0xe20 [cdrom]
[ 623.492017] [] ? __rmqueue+0x1b/0x1f0
[ 623.492017] [] idecd_ioctl+0x104/0x180 [ide_cd_mod]
[ 623.492017] [] ? find_get_page+0x0/0xd0
[ 623.492017] [] ? find_lock_page+0x33/0x80
[ 623.492017] [] __blkdev_driver_ioctl+0x70/0x80
[ 623.492017] [] blkdev_ioctl+0x8f/0xa90
[ 623.492017] [] ? unlock_page+0x40/0x50
[ 623.492017] [] ? __do_fault+0x1d3/0x3c0
[ 623.492017] [] ? handle_mm_fault+0x101/0x610
[ 623.492017] [] ? do_page_fault+0xf1/0x840
[ 623.492017] [] ? up_read+0x16/0x30
[ 623.492017] [] ? do_page_fault+0x27a/0x840
[ 623.492017] [] ? __lock_acquire+0x147/0x1600
[ 623.492017] [] block_ioctl+0x3b/0x50
[ 623.492017] [] ? block_ioctl+0x0/0x50
[ 623.492017] [] vfs_ioctl+0x28/0x80
[ 623.492017] [] do_vfs_ioctl+0x5e/0x4b0
[ 623.492017] [] ? fget_light+0x112/0x140
[ 623.492017] [] ? fget_light+0x4d/0x140
[ 623.492017] [] sys_ioctl+0x39/0x70
[ 623.492017] [] sysenter_do_call+0x12/0x31
[ 623.492017] ---[ end trace 2ca35fe06a780316 ]---
Steps to reproduce:
1. Boot Linux 2.6.28 on Clevo D410J laptop
2. Insert an audio CD
3. start playing it with kaffeine 0.8.7
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