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Groups > linux.kernel > #1312871
| From | Sudip Mukherjee <sudipm.mukherjee@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002 |
| Date | 2016-01-20 05:50 +0100 |
| Message-ID | <qSSSv-1pe-65@gated-at.bofh.it> (permalink) |
| References | <qSPhX-77l-69@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Jan 20, 2016 at 08:44:37AM +0800, kernel test robot wrote:
> FYI, we noticed the below changes on
>
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> commit 2baed30cb30727b2637d26eac5a8887875a13420 ("spi: lm70llp: use new parport device model")
>
>
> +----------------+------------+------------+
> | | 74bdced4b4 | 2baed30cb3 |
> +----------------+------------+------------+
> | boot_successes | 0 | 0 |
> +----------------+------------+------------+
>
>
>
> [ 6.358390] i6300esb: Intel 6300ESB WatchDog Timer Driver v0.05
> [ 6.358540] i6300esb: cannot register miscdev on minor=130 (err=-16)
> [ 6.358555] i6300ESB timer: probe of 0000:00:06.0 failed with error -16
> [ 6.363357] BUG: scheduling while atomic: systemd-udevd/134/0x00000002
> [ 6.363366] Modules linked in: crc32c_intel pcspkr evdev i6300esb ide_cd_mod cdrom intel_agp intel_gtt i2c_piix4 i2c_core virtio_pci virtio virtio_ring agpgart rtc_cmos(+) parport_pc(+) autofs4
> [ 6.363369] CPU: 1 PID: 134 Comm: systemd-udevd Not tainted 4.4.0-rc1-00006-g2baed30 #1
> [ 6.363370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
Can you please let me know how do i reproduce this on qemu? what command
line you used?
> [ 6.363372] 0000000000012880 ffff88007f8bb880 ffffffff878a5e4d ffff880078712880
> [ 6.363374] ffff88007f8bb890 ffffffff876a64d6 ffff88007f8bb8d0 ffffffff87b05f69
> [ 6.363375] ffff88005d04e340 ffff88007f8bc000 000000000000007f ffffffff879a6260
> [ 6.363375] Call Trace:
> [ 6.363385] [<ffffffff878a5e4d>] dump_stack+0x4b/0x6e
> [ 6.363391] [<ffffffff876a64d6>] __schedule_bug+0x46/0x60
> [ 6.363394] [<ffffffff87b05f69>] __schedule+0x549/0x780
> [ 6.363398] [<ffffffff879a6260>] ? dead_read+0x10/0x10
dead_read() is used only when a port has been removed and the driver has
not registered with parport_register_driver(). But in the case of
spi/spi-lm70llp.c it has detach callback, so whenever a port is removed
detach should be executed.
regards
sudip
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Re: [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002 Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-01-20 05:50 +0100
Re: [LKP] [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002 "Huang\, Ying" <ying.huang@intel.com> - 2016-01-20 06:10 +0100
Re: [LKP] [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002 Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-01-21 06:40 +0100
Re: [LKP] [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002 "Huang\, Ying" <ying.huang@intel.com> - 2016-01-21 06:50 +0100
Re: [LKP] [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002 Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-01-21 07:10 +0100
Re: [LKP] [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002 Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-01-23 07:50 +0100
Re: [LKP] [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002 "Huang\, Ying" <ying.huang@intel.com> - 2016-01-25 03:20 +0100
Re: [LKP] [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002 Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-01-25 05:50 +0100
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