mirror of https://gitee.com/openkylin/linux.git
1de5be5e91
Fix sleep-in-atomic-context bug in vivi: Jun 28 18:14:39 tschai kernel: [ 80.970478] BUG: sleeping function called from invalid context at kernel/mutex.c:271 Jun 28 18:14:39 tschai kernel: [ 80.970483] in_atomic(): 0, irqs_disabled(): 1, pid: 2854, name: vivi-000 Jun 28 18:14:39 tschai kernel: [ 80.970485] INFO: lockdep is turned off. Jun 28 18:14:39 tschai kernel: [ 80.970486] irq event stamp: 0 Jun 28 18:14:39 tschai kernel: [ 80.970487] hardirqs last enabled at (0): [< (null)>] (null) Jun 28 18:14:39 tschai kernel: [ 80.970490] hardirqs last disabled at (0): [<ffffffff8109a90b>] copy_process+0x61b/0x1440 Jun 28 18:14:39 tschai kernel: [ 80.970495] softirqs last enabled at (0): [<ffffffff8109a90b>] copy_process+0x61b/0x1440 Jun 28 18:14:39 tschai kernel: [ 80.970498] softirqs last disabled at (0): [< (null)>] (null) Jun 28 18:14:39 tschai kernel: [ 80.970502] Pid: 2854, comm: vivi-000 Tainted: P 3.0.0-rc1-tschai #372 Jun 28 18:14:39 tschai kernel: [ 80.970504] Call Trace: Jun 28 18:14:39 tschai kernel: [ 80.970509] [<ffffffff81089be3>] __might_sleep+0xf3/0x130 Jun 28 18:14:39 tschai kernel: [ 80.970512] [<ffffffff8176967f>] mutex_lock_nested+0x2f/0x60 Jun 28 18:14:39 tschai kernel: [ 80.970517] [<ffffffffa0acee3e>] vivi_fillbuff+0x20e/0x3f0 [vivi] Jun 28 18:14:39 tschai kernel: [ 80.970520] [<ffffffff81407004>] ? do_raw_spin_lock+0x54/0x150 Jun 28 18:14:39 tschai kernel: [ 80.970524] [<ffffffff8104ef5e>] ? read_tsc+0xe/0x20 Jun 28 18:14:39 tschai kernel: [ 80.970528] [<ffffffff810c9d87>] ? getnstimeofday+0x57/0xe0 Jun 28 18:14:39 tschai kernel: [ 80.970531] [<ffffffffa0acf1b1>] vivi_thread+0x191/0x2f0 [vivi] Jun 28 18:14:39 tschai kernel: [ 80.970534] [<ffffffff81093aa0>] ? try_to_wake_up+0x2d0/0x2d0 Jun 28 18:14:39 tschai kernel: [ 80.970537] [<ffffffffa0acf020>] ? vivi_fillbuff+0x3f0/0x3f0 [vivi] Jun 28 18:14:39 tschai kernel: [ 80.970541] [<ffffffff810bff46>] kthread+0xb6/0xc0 Jun 28 18:14:39 tschai kernel: [ 80.970544] [<ffffffff817743e4>] kernel_thread_helper+0x4/0x10 Jun 28 18:14:39 tschai kernel: [ 80.970547] [<ffffffff8176b4d4>] ? retint_restore_args+0x13/0x13 Jun 28 18:14:39 tschai kernel: [ 80.970550] [<ffffffff810bfe90>] ? __init_kthread_worker+0x70/0x70 Jun 28 18:14:39 tschai kernel: [ 80.970552] [<ffffffff817743e0>] ? gs_change+0x13/0x13 This bug was introduced in 2.6.39. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> |
||
|---|---|---|
| .. | ||
| accessibility | ||
| acpi | ||
| amba | ||
| ata | ||
| atm | ||
| auxdisplay | ||
| base | ||
| bcma | ||
| block | ||
| bluetooth | ||
| cdrom | ||
| char | ||
| clk | ||
| clocksource | ||
| connector | ||
| cpufreq | ||
| cpuidle | ||
| crypto | ||
| dca | ||
| dio | ||
| dma | ||
| edac | ||
| eisa | ||
| firewire | ||
| firmware | ||
| gpio | ||
| gpu | ||
| hid | ||
| hwmon | ||
| hwspinlock | ||
| i2c | ||
| ide | ||
| idle | ||
| ieee802154 | ||
| infiniband | ||
| input | ||
| isdn | ||
| leds | ||
| lguest | ||
| macintosh | ||
| mca | ||
| md | ||
| media | ||
| memstick | ||
| message | ||
| mfd | ||
| misc | ||
| mmc | ||
| mtd | ||
| net | ||
| nfc | ||
| nubus | ||
| of | ||
| oprofile | ||
| parisc | ||
| parport | ||
| pci | ||
| pcmcia | ||
| platform | ||
| pnp | ||
| power | ||
| pps | ||
| ps3 | ||
| ptp | ||
| rapidio | ||
| regulator | ||
| rtc | ||
| s390 | ||
| sbus | ||
| scsi | ||
| sfi | ||
| sh | ||
| sn | ||
| spi | ||
| ssb | ||
| staging | ||
| target | ||
| tc | ||
| telephony | ||
| thermal | ||
| tty | ||
| uio | ||
| usb | ||
| uwb | ||
| vhost | ||
| video | ||
| virtio | ||
| vlynq | ||
| w1 | ||
| watchdog | ||
| xen | ||
| zorro | ||
| Kconfig | ||
| Makefile | ||