Linux Kernel 4.2-RC4 发布，发布内容如下：
主要改进如下：
usb: xhci: Bugfix for NULL pointer deference in xhci_endpoint_init() function
ALSA: hda - Add new GPU codec ID 0x10de007d to snd-hda
iio: inv-mpu: Specify the expected format/precision for write channels
USB: OHCI: Fix race between ED unlink and URB submission
USB: OHCI: fix bad #define in ohci-tmio.c
libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for HP 250GB SATA disk VB0250EAVER
详细改进内容请看：http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-rc4-unstable/CHANGES。
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Linux Kernel 4.2-RC4 发布
Linux Kernel 4.2-RC4 发布，发布内容如下：
主要改进如下：
usb: xhci: Bugfix for NULL pointer deference in xhci_endpoint_init() function
ALSA: hda - Add new GPU codec ID 0x10de007d to snd-hda
iio: inv-mpu: Specify the expected format/precision for write channels
USB: OHCI: Fix race between ED unlink and URB submission
USB: OHCI: fix bad #define in ohci-tmio.c
libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for HP 250GB SATA disk VB0250EAVER
详细改进内容请看：http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-rc4-unstable/CHANGES。