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Linus Torvalds officially announces the release of fourth release candidate of Linux Kernel 3.19 right on time along with new changes and fixes. The previously released Kernel 3.19 RC3 was not much major this one. This is another maintenance release which primarily includes some of the driver updates along with architecture fixes and other minor fixes.

According to official announcement, Linus claims that "things have remained clam, although we also had a few last-minute MM regressions, among which most of them are fixed quickly with one remaining arm64 issue still pending. He also said that the volunteers can submit and test Kernel 3.19 RC5 as he was travelling a lot this week, but he might notice anything which is strange is something going wrong. Also, review recent Kernel News to know what's new in Kernel 3.19 branch ?

If we look as the changelog of Kernel 3.19 RC4, then you get to know that apart from kgdb patches showing up as some uncommon work under kernel/debug/. It also includes some driver updates including gpu, pinctrl, hid, networking along with few architecture updates specially for x86 and some minor arm[64] stuff along with some tooling fixes. We have also enlisted some of the fixes below in this post. You might also like to check out other latest Software News on our website.

List of Fixes Made in Linux Kernel 3.19 RC4

- ALSA: hda - Add new GPU codec ID 0x10de0072 to snd-hda.
- sched: Fix KMALLOC_MAX_SIZE overflow during cpumask allocation.
- drm/nouveau: fix missing return statement in nouveau_ttm_tt_unpopulate.
- drm/radeon: do not leave queue acquired if timeout happens in
kgd_hqd_destroy().
- perf/x86/uncore/hsw-ep: Handle systems with only two SBOXes.
- perf: Move task_pt_regs sampling into arch code.
- perf/x86_64: Improve user regs sampling.
- qla3xxx: don't allow never end busy loop.
- arm64/efi: add missing call to early_ioremap_reset().
- openvswitch: Consistently include VLAN header in flow and port stats.

These are some of the fixes which are made in Linux Kernel 3.19 RC4. If you wish to review other bugfixes of Kernel 3.19 RC4 then you must visit their official changelog page.

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