linux-kernel - Re: BUG: scheduling while atomic, new libata code

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Date:	Wed, 27 Dec 2006 21:16:26 -0500
From:	"Jon Smirl" <jonsmirl@...il.com>
To:	"Randy Dunlap" <randy.dunlap@...cle.com>
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: BUG: scheduling while atomic, new libata code

Still getting the bug with patch applied.


BUG: scheduling while atomic: hald-addon-stor/0x20000000/5078
 [<c02b0289>] __sched_text_start+0x5f9/0xb00
 [<c024a623>] net_rx_action+0xb3/0x180
 [<c01210f2>] __do_softirq+0x72/0xe0
 [<c0105205>] do_IRQ+0x45/0x80
 [<c0103aab>] common_interrupt+0x23/0x28
 [<c0117696>] __cond_resched+0x16/0x40
 [<c02b07b3>] cond_resched+0x23/0x30
 [<c02b225c>] __reacquire_kernel_lock+0x1c/0x3c
 [<c02b02b9>] __sched_text_start+0x629/0xb00
 [<c02b086e>] wait_for_completion+0x8e/0xc0
 [<c0117650>] default_wake_function+0x0/0x10
 [<c01b321c>] blk_execute_rq+0x7c/0xe0
 [<c0117696>] __cond_resched+0x16/0x40
 [<c02b07b3>] cond_resched+0x23/0x30
 [<c0161a36>] kmem_cache_zalloc+0x76/0x90
 [<c02181fd>] scsi_execute_req+0x3d/0xf0
 [<c01b6ce9>] sg_io+0x2a9/0x340
 [<c0218306>] scsi_test_unit_ready+0x56/0xa0
 [<f8986132>] sr_media_change+0x52/0x220 [sr_mod]
 [<c0103ad8>] reschedule_interrupt+0x28/0x30
 [<f8986320>] sr_block_media_changed+0x0/0x10 [sr_mod]
 [<f89f508d>] media_changed+0x5d/0xa0 [cdrom]
 [<c01883ac>] check_disk_change+0x1c/0x80
 [<f89f9432>] cdrom_open+0x152/0xa90 [cdrom]
 [<c0218306>] scsi_test_unit_ready+0x56/0xa0
 [<c0175619>] __d_lookup+0x89/0x100
 [<c0175b85>] dput+0xb5/0x130
 [<c016ba75>] do_lookup+0x65/0x190
 [<f8972540>] ext3_permission+0x0/0x10 [ext3]
 [<c0175b85>] dput+0xb5/0x130
 [<c016dc6a>] __link_path_walk+0xc1a/0xc90
 [<c017828e>] touch_atime+0x9e/0x110
 [<c0179b5b>] mntput_no_expire+0x1b/0x80
 [<c016dd45>] link_path_walk+0x65/0xc0
 [<c01323fe>] hrtimer_cancel+0xe/0x20
 [<c0132539>] hrtimer_nanosleep+0x49/0x110
 [<c01bdf3f>] kobject_get+0xf/0x20
 [<c01b5ce9>] get_disk+0x39/0x70
 [<c01b5d27>] exact_lock+0x7/0x10
 [<c01bdf3f>] kobject_get+0xf/0x20
 [<f89863dc>] sr_block_open+0x5c/0xa0 [sr_mod]
 [<c0188e70>] blkdev_open+0x0/0x70
 [<c0188bc9>] do_open+0x1e9/0x290
 [<c0188e70>] blkdev_open+0x0/0x70
 [<c0188ea0>] blkdev_open+0x30/0x70
 [<c016307a>] __dentry_open+0xba/0x1c0
 [<c0163235>] nameidata_to_filp+0x35/0x40
 [<c016328b>] do_filp_open+0x4b/0x60
 [<c01323fe>] hrtimer_cancel+0xe/0x20
 [<c0132539>] hrtimer_nanosleep+0x49/0x110
 [<c01632ea>] do_sys_open+0x4a/0xe0
 [<c01633bc>] sys_open+0x1c/0x20
 [<c010309a>] sysenter_past_esp+0x5f/0x85
 =======================


-- 
Jon Smirl
jonsmirl@...il.com
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