From a6e396049b920681bc93141d9d97246b8719fc91 Mon Sep 17 00:00:00 2001 From: Josh Boyer Date: Fri, 8 Feb 2013 17:08:39 -0500 Subject: [PATCH] Linux v3.8-rc7 - Add patch to fix atomic sleep issue on alloc_pid failure (rhbz 894623) - Disable debugging options. --- ...x-the-reclaimed-packet-tracking-upon.patch | 68 ------ config-nodebug | 18 +- kernel.spec | 33 ++- ...rq-when-alloc_pid-fails-because-init.patch | 195 ++++++++++++++++++ rtlwifi-Fix-scheduling-while-atomic-bug.patch | 65 ------ sources | 3 +- 6 files changed, 220 insertions(+), 162 deletions(-) delete mode 100644 Revert-iwlwifi-fix-the-reclaimed-packet-tracking-upon.patch create mode 100644 pid-unlock_irq-when-alloc_pid-fails-because-init.patch delete mode 100644 rtlwifi-Fix-scheduling-while-atomic-bug.patch diff --git a/Revert-iwlwifi-fix-the-reclaimed-packet-tracking-upon.patch b/Revert-iwlwifi-fix-the-reclaimed-packet-tracking-upon.patch deleted file mode 100644 index 302774b45..000000000 --- a/Revert-iwlwifi-fix-the-reclaimed-packet-tracking-upon.patch +++ /dev/null @@ -1,68 +0,0 @@ -From ae023b2795d36f0f077e157428eb7eafa29ee412 Mon Sep 17 00:00:00 2001 -From: Emmanuel Grumbach -Date: Mon, 21 Jan 2013 13:12:57 +0200 -Subject: [PATCH] Revert "iwlwifi: fix the reclaimed packet tracking upon - flush queue" - -This reverts commit f590dcec944552f9a4a61155810f3abd17d6465d -which has been reported to cause issues. - -See https://lkml.org/lkml/2013/1/20/4 for further details. - -Cc: stable@vger.kernel.org [3.7] -Signed-off-by: Emmanuel Grumbach -Signed-off-by: Johannes Berg ---- - drivers/net/wireless/iwlwifi/dvm/tx.c | 24 +++++++----------------- - 1 files changed, 7 insertions(+), 17 deletions(-) - -diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c -index 31534f7..2797964 100644 ---- a/drivers/net/wireless/iwlwifi/dvm/tx.c -+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c -@@ -1153,6 +1153,13 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, - next_reclaimed = ssn; - } - -+ if (tid != IWL_TID_NON_QOS) { -+ priv->tid_data[sta_id][tid].next_reclaimed = -+ next_reclaimed; -+ IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n", -+ next_reclaimed); -+ } -+ - iwl_trans_reclaim(priv->trans, txq_id, ssn, &skbs); - - iwlagn_check_ratid_empty(priv, sta_id, tid); -@@ -1203,28 +1210,11 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, - if (!is_agg) - iwlagn_non_agg_tx_status(priv, ctx, hdr->addr1); - -- /* -- * W/A for FW bug - the seq_ctl isn't updated when the -- * queues are flushed. Fetch it from the packet itself -- */ -- if (!is_agg && status == TX_STATUS_FAIL_FIFO_FLUSHED) { -- next_reclaimed = le16_to_cpu(hdr->seq_ctrl); -- next_reclaimed = -- SEQ_TO_SN(next_reclaimed + 0x10); -- } -- - is_offchannel_skb = - (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN); - freed++; - } - -- if (tid != IWL_TID_NON_QOS) { -- priv->tid_data[sta_id][tid].next_reclaimed = -- next_reclaimed; -- IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n", -- next_reclaimed); -- } -- - WARN_ON(!is_agg && freed != 1); - - /* --- -1.7.6.5 - diff --git a/config-nodebug b/config-nodebug index 6b8b48fc6..c471b853e 100644 --- a/config-nodebug +++ b/config-nodebug @@ -2,14 +2,14 @@ CONFIG_SND_VERBOSE_PRINTK=y CONFIG_SND_DEBUG=y CONFIG_SND_PCM_XRUN_DEBUG=y -CONFIG_DEBUG_ATOMIC_SLEEP=y +# CONFIG_DEBUG_ATOMIC_SLEEP is not set # CONFIG_DEBUG_MUTEXES is not set # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_DEBUG_LOCK_ALLOC is not set -CONFIG_PROVE_LOCKING=y -CONFIG_DEBUG_SPINLOCK=y -CONFIG_PROVE_RCU=y +# CONFIG_PROVE_LOCKING is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_PROVE_RCU is not set # CONFIG_PROVE_RCU_REPEATEDLY is not set # CONFIG_DEBUG_PER_CPU_MAPS is not set CONFIG_CPUMASK_OFFSTACK=y @@ -25,11 +25,11 @@ CONFIG_CPUMASK_OFFSTACK=y # CONFIG_FAIL_IO_TIMEOUT is not set # CONFIG_FAIL_MMC_REQUEST is not set -CONFIG_SLUB_DEBUG_ON=y +# CONFIG_SLUB_DEBUG_ON is not set # CONFIG_LOCK_STAT is not set -CONFIG_DEBUG_STACK_USAGE=y +# CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_ACPI_DEBUG is not set # CONFIG_ACPI_DEBUG_FUNC_TRACE is not set @@ -56,7 +56,7 @@ CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1 # CONFIG_DEBUG_NOTIFIERS is not set -CONFIG_DMA_API_DEBUG=y +# CONFIG_DMA_API_DEBUG is not set # CONFIG_MMIOTRACE is not set @@ -66,7 +66,7 @@ CONFIG_DMA_API_DEBUG=y # on in rawhide nodebug builds # CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set -CONFIG_EXT4_DEBUG=y +# CONFIG_EXT4_DEBUG is not set # CONFIG_DEBUG_PERF_USE_VMALLOC is not set @@ -100,7 +100,7 @@ CONFIG_KDB_KEYBOARD=y # CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER is not set # CONFIG_TEST_LIST_SORT is not set -CONFIG_DETECT_HUNG_TASK=y +# CONFIG_DETECT_HUNG_TASK is not set CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120 # CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set diff --git a/kernel.spec b/kernel.spec index be5e548a4..8aeed97d4 100644 --- a/kernel.spec +++ b/kernel.spec @@ -62,7 +62,7 @@ Summary: The Linux kernel # For non-released -rc kernels, this will be appended after the rcX and # gitX tags, so a 3 here would become part of release "0.rcX.gitX.3" # -%global baserelease 3 +%global baserelease 1 %global fedora_build %{baserelease} # base_sublevel is the kernel version we're starting with and patching @@ -93,9 +93,9 @@ Summary: The Linux kernel # The next upstream release sublevel (base_sublevel+1) %define upstream_sublevel %(echo $((%{base_sublevel} + 1))) # The rc snapshot level -%define rcrev 6 +%define rcrev 7 # The git snapshot level -%define gitrev 3 +%define gitrev 0 # Set rpm version accordingly %define rpmversion 3.%{upstream_sublevel}.0 %endif @@ -159,7 +159,7 @@ Summary: The Linux kernel # Set debugbuildsenabled to 1 for production (build separate debug kernels) # and 0 for rawhide (all kernels are debug kernels). # See also 'make debug' and 'make release'. -%define debugbuildsenabled 0 +%define debugbuildsenabled 1 # Want to build a vanilla kernel build without any non-upstream patches? %define with_vanilla %{?_with_vanilla: 1} %{?!_with_vanilla: 0} @@ -172,7 +172,7 @@ Summary: The Linux kernel %define doc_build_fail true %endif -%define rawhide_skip_docs 1 +%define rawhide_skip_docs 0 %if 0%{?rawhide_skip_docs} %define with_doc 0 %define doc_build_fail true @@ -738,9 +738,6 @@ Patch22070: irqnr-build.patch #rhbz 859485 Patch21226: vt-Drop-K_OFF-for-VC_MUTE.patch -#rhbz 863424 -Patch21229: Revert-iwlwifi-fix-the-reclaimed-packet-tracking-upon.patch - #rhbz 799564 Patch21240: Input-increase-struct-ps2dev-cmdbuf-to-8-bytes.patch Patch21241: Input-add-support-for-Cypress-PS2-Trackpads.patch @@ -752,12 +749,11 @@ Patch21242: criu-no-expert.patch Patch21243: mac80211-improve-latency-and-throughput-while-software.patch Patch21244: iwlegacy-add-flush-callback.patch -#rhbz 903881 -Patch21246: rtlwifi-Fix-scheduling-while-atomic-bug.patch - #rhbz 892811 Patch21247: ath9k_rx_dma_stop_check.patch +Patch21248: pid-unlock_irq-when-alloc_pid-fails-because-init.patch + # END OF PATCH DEFINITIONS %endif @@ -1415,7 +1411,7 @@ ApplyOptionalPatch v4l-dvb-update.patch ApplyOptionalPatch v4l-dvb-experimental.patch # Experiment: Double the length of the brcmsmac transmit timeout. -ApplyPatch brcmsmac-double-timeout.patch +#pplyPatch brcmsmac-double-timeout.patch # Patches headed upstream ApplyPatch fs-proc-devtree-remove_proc_entry.patch @@ -1446,9 +1442,6 @@ ApplyPatch irqnr-build.patch #rhbz 859485 ApplyPatch vt-Drop-K_OFF-for-VC_MUTE.patch -#rhbz 863424 -ApplyPatch Revert-iwlwifi-fix-the-reclaimed-packet-tracking-upon.patch - #rhbz 799564 ApplyPatch Input-increase-struct-ps2dev-cmdbuf-to-8-bytes.patch ApplyPatch Input-add-support-for-Cypress-PS2-Trackpads.patch @@ -1460,12 +1453,11 @@ ApplyPatch criu-no-expert.patch ApplyPatch mac80211-improve-latency-and-throughput-while-software.patch ApplyPatch iwlegacy-add-flush-callback.patch -#rhbz 903881 -ApplyPatch rtlwifi-Fix-scheduling-while-atomic-bug.patch - #rhbz 892811 ApplyPatch ath9k_rx_dma_stop_check.patch +ApplyPatch pid-unlock_irq-when-alloc_pid-fails-because-init.patch + # END OF PATCH APPLICATIONS %endif @@ -2321,6 +2313,11 @@ fi # ||----w | # || || %changelog +* Fri Feb 08 2013 Josh Boyer - 3.8.0-0.rc7.git0.1 +- Linux v3.8-rc7 +- Add patch to fix atomic sleep issue on alloc_pid failure (rhbz 894623) +- Disable debugging options. + * Thu Feb 7 2013 Peter Robinson - Minor ARM build fixes diff --git a/pid-unlock_irq-when-alloc_pid-fails-because-init.patch b/pid-unlock_irq-when-alloc_pid-fails-because-init.patch new file mode 100644 index 000000000..79062233f --- /dev/null +++ b/pid-unlock_irq-when-alloc_pid-fails-because-init.patch @@ -0,0 +1,195 @@ +Path: news.gmane.org!not-for-mail +From: ebiederm@xmission.com (Eric W. Biederman) +Newsgroups: gmane.linux.kernel +Subject: Re: Odd ENOMEM being returned in 3.8-rcX +Date: Fri, 08 Feb 2013 12:13:09 -0800 +Lines: 117 +Approved: news@gmane.org +Message-ID: <87k3qiwomi.fsf@xmission.com> +References: <20130207215742.GB31684@hansolo.jdub.homelinux.org> + <20130207141502.04625ea0.akpm@linux-foundation.org> + <20130208003501.GC31684@hansolo.jdub.homelinux.org> + <20130208181949.GD31684@hansolo.jdub.homelinux.org> +NNTP-Posting-Host: plane.gmane.org +Mime-Version: 1.0 +Content-Type: text/plain +X-Trace: ger.gmane.org 1360354410 32723 80.91.229.3 (8 Feb 2013 20:13:30 GMT) +X-Complaints-To: usenet@ger.gmane.org +NNTP-Posting-Date: Fri, 8 Feb 2013 20:13:30 +0000 (UTC) +Cc: Andrew Morton , + Al Viro , + Mel Gorman , linux-kernel@vger.kernel.org +To: Josh Boyer +Original-X-From: linux-kernel-owner@vger.kernel.org Fri Feb 08 21:13:50 2013 +Return-path: +Envelope-to: glk-linux-kernel-3@plane.gmane.org +Original-Received: from vger.kernel.org ([209.132.180.67]) + by plane.gmane.org with esmtp (Exim 4.69) + (envelope-from ) + id 1U3uKS-0003Ug-Vg + for glk-linux-kernel-3@plane.gmane.org; Fri, 08 Feb 2013 21:13:49 +0100 +Original-Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand + id S932228Ab3BHUNT (ORCPT ); + Fri, 8 Feb 2013 15:13:19 -0500 +Original-Received: from out01.mta.xmission.com ([166.70.13.231]:45242 "EHLO + out01.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org + with ESMTP id S932068Ab3BHUNS (ORCPT + ); + Fri, 8 Feb 2013 15:13:18 -0500 +Original-Received: from in02.mta.xmission.com ([166.70.13.52]) + by out01.mta.xmission.com with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) + (Exim 4.76) + (envelope-from ) + id 1U3uJw-0002FX-87; Fri, 08 Feb 2013 13:13:16 -0700 +Original-Received: from c-98-207-153-68.hsd1.ca.comcast.net ([98.207.153.68] helo=eric-ThinkPad-X220.xmission.com) + by in02.mta.xmission.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) + (Exim 4.76) + (envelope-from ) + id 1U3uJt-0002Vi-8d; Fri, 08 Feb 2013 13:13:16 -0700 +In-Reply-To: <20130208181949.GD31684@hansolo.jdub.homelinux.org> (Josh Boyer's + message of "Fri, 8 Feb 2013 13:19:49 -0500") +User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux) +X-XM-AID: U2FsdGVkX19Djtj1/IXFytBzyU3W7XCCOHTPWCA75uo= +X-SA-Exim-Connect-IP: 98.207.153.68 +X-SA-Exim-Mail-From: ebiederm@xmission.com +X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on sa07.xmission.com +X-Spam-Level: +X-Spam-Status: No, score=-0.6 required=8.0 tests=ALL_TRUSTED, + DCC_CHECK_NEGATIVE,FVGT_m_MULTI_ODD,T_TM2_M_HEADER_IN_MSG,T_XMDrugObfuBody_08 + autolearn=disabled version=3.3.2 +X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP + * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG + * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC + * [sa07 1397; Body=1 Fuz1=1 Fuz2=1] + * 0.4 FVGT_m_MULTI_ODD Contains multiple odd letter combinations + * 0.0 T_XMDrugObfuBody_08 obfuscated drug references +X-Spam-DCC: XMission; sa07 1397; Body=1 Fuz1=1 Fuz2=1 +X-Spam-Combo: ;Josh Boyer +X-Spam-Relay-Country: +X-Spam-Flag: No +X-SA-Exim-Version: 4.2.1 (built Wed, 14 Nov 2012 14:26:46 -0700) +X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) +Original-Sender: linux-kernel-owner@vger.kernel.org +Precedence: bulk +List-ID: +X-Mailing-List: linux-kernel@vger.kernel.org +Xref: news.gmane.org gmane.linux.kernel:1438656 +Archived-At: + +Josh Boyer writes: + +> On Thu, Feb 07, 2013 at 07:35:01PM -0500, Josh Boyer wrote: +>> On Thu, Feb 07, 2013 at 02:15:02PM -0800, Andrew Morton wrote: +>> > On Thu, 7 Feb 2013 16:57:42 -0500 +>> > Josh Boyer wrote: +>> > +>> > > Hi All, +>> > > +>> > > We've hit a weird error in Fedora using the 3.8-rcX kernels. It seems +>> > > the mock tool is getting back ENOMEM when doing very simple things that +>> > > normally just work. The 3.7 kernels on the same userspace work just +>> > > fine. It seems just running 'mock init -v' is enough to cause the +>> > > failure. +>> > +>> > I assume you're not seeing the "page allocation failure" message and +>> > backtrace. This means that either +>> +>> Right. If I disable our debug options, I see no backtraces at all and +>> the python app still gets ENOMEM returned. (See below for those +>> interested). +>> +>> > a) it's a __GFP_NOWARN callsite. This is rare. Or +>> > +>> > b) it's actually a different error but someone went and overwrote a +>> > callee's return value with -ENOMEM. We do this a lot and it sucks. +>> +>> We do it in copy_io :\. +>> +>> > > At first glance it seems copy_io is failing (possibly because +>> > > get_task_io_context fails), and then the above fallout is printed. The +>> > > warning seems fairly valid, but I don't think that is the root of the +>> > > problem. +>> > +>> > yes, get_task_io_context() might be the place. Tried adding a few +>> > error-path printks in there to see what's happening? +>> +>> Yeah, that's my next step. I guess I know what I'll be doing tomorrow. +>> +>> > I can't see anything around there which leaves interrupts disabled +>> > though. It's quite likely that there's some code with is forgetting to +>> > reenable interrupts on a rarely-tested error path, and that ENOMEM is +>> > tickling the bug. +>> +>> Right, agreed. As I said, I think that is mostly a secondary issue. +>> Hopefully it will be easy to fix once we figure out why we're getting +>> the ENOMEM error. +>> +>> Python backtrace below. Seems to be failing on forking a umount command +>> after init'ing the chroot. I can put the full output somewhere if +>> people are interested. +> +> OK. I've bisected this down to: +> +> 50804fe3737ca6a5942fdc2057a18a8141d00141 is the first bad commit +> commit 50804fe3737ca6a5942fdc2057a18a8141d00141 +> Author: Eric W. Biederman +> Date: Tue Mar 2 15:41:50 2010 -0800 +> +> pidns: Support unsharing the pid namespace. +> +> +> I haven't really gotten much farther than that yet, but the bisect was +> pretty straight forward. Eric, is there anything specific I can gather +> or do to help figure out why that is causing mock to get such a weird +> error? I can provide the bisect log if you'd like. + +My best guess in some dark corner of mock has untested code to unshare a +pid namespace, and that corner started doing something now that +unsharing of the pid namespace actually works. + +If mock has called unshare(CLONE_NEWPID). And then forked a process and +that process exited, and then forked anothe process that second and all +subsequent fork calls will fail with -ENOMEM (because init has exited in +the pid namespace). -ENOMEM will be generated because of a failure of +alloc_pid. + +Looking at that code path a little closer that just about has to be it, +because I goofed and the error path drops the lock but not irqs. The +patch below should fix the nasty warning and confirm where the code is +failing in copy_process. + +An strace to see which syscalls mock is making and with which flags +would be very interesting. I am almost certain that there is a +unshare(CLONE_NEWPID) somewhere in there. But in a remote corner of +possibility it could weird clone flags, or something else. + +Beyond that I suspect we want to work with the mock folks so they get +their code to use a pid namespace working the way they intended. + +Eric + +From: "Eric W. Biederman" +Date: Fri, 8 Feb 2013 12:05:54 -0800 +Subject: [PATCH] pid: unlock_irq when alloc_pid fails because init has + exited. + +Signed-off-by: "Eric W. Biederman" +--- + kernel/pid.c | 2 +- + 1 files changed, 1 insertions(+), 1 deletions(-) + +diff --git a/kernel/pid.c b/kernel/pid.c +index de9af60..f2c6a68 100644 +--- a/kernel/pid.c ++++ b/kernel/pid.c +@@ -331,7 +331,7 @@ out: + return pid; + + out_unlock: +- spin_unlock(&pidmap_lock); ++ spin_unlock_irq(&pidmap_lock); + out_free: + while (++i <= ns->level) + free_pidmap(pid->numbers + i); +-- +1.7.5.4 diff --git a/rtlwifi-Fix-scheduling-while-atomic-bug.patch b/rtlwifi-Fix-scheduling-while-atomic-bug.patch deleted file mode 100644 index d05b104b5..000000000 --- a/rtlwifi-Fix-scheduling-while-atomic-bug.patch +++ /dev/null @@ -1,65 +0,0 @@ -Kernel commits 41affd5 and 6539306 changed the locking in rtl_lps_leave() -from a spinlock to a mutex by doing the calls indirectly from a work queue -to reduce the time that interrupts were disabled. This change was fine for -most systems; however a scheduling while atomic bug was reported in -https://bugzilla.redhat.com/show_bug.cgi?id=903881. The backtrace indicates -that routine rtl_is_special(), which calls rtl_lps_leave() in three places -was entered in atomic context. These direct calls are replaced by putting a -request on the appropriate work queue. - -Signed-off-by: Larry Finger -Reported-and-tested-by: Nathaniel Doherty -Cc: Nathaniel Doherty -Cc: Stanislaw Gruszka -Cc: Stable ---- - -John, - -If DaveM will still accept bug fixes for 3.8, please push this one. It -is unlikely to have any side effects. - -Thanks, - -Larry ---- - - base.c | 7 ++++--- - 1 file changed, 4 insertions(+), 3 deletions(-) - -Index: wireless-testing-new/drivers/net/wireless/rtlwifi/base.c -=================================================================== ---- wireless-testing-new.orig/drivers/net/wireless/rtlwifi/base.c -+++ wireless-testing-new/drivers/net/wireless/rtlwifi/base.c -@@ -1004,7 +1004,8 @@ u8 rtl_is_special_data(struct ieee80211_ - is_tx ? "Tx" : "Rx"); - - if (is_tx) { -- rtl_lps_leave(hw); -+ schedule_work(&rtlpriv-> -+ works.lps_leave_work); - ppsc->last_delaylps_stamp_jiffies = - jiffies; - } -@@ -1014,7 +1015,7 @@ u8 rtl_is_special_data(struct ieee80211_ - } - } else if (ETH_P_ARP == ether_type) { - if (is_tx) { -- rtl_lps_leave(hw); -+ schedule_work(&rtlpriv->works.lps_leave_work); - ppsc->last_delaylps_stamp_jiffies = jiffies; - } - -@@ -1024,7 +1025,7 @@ u8 rtl_is_special_data(struct ieee80211_ - "802.1X %s EAPOL pkt!!\n", is_tx ? "Tx" : "Rx"); - - if (is_tx) { -- rtl_lps_leave(hw); -+ schedule_work(&rtlpriv->works.lps_leave_work); - ppsc->last_delaylps_stamp_jiffies = jiffies; - } - --- -To unsubscribe from this list: send the line "unsubscribe linux-wireless" in -the body of a message to majordomo@vger.kernel.org -More majordomo info at http://vger.kernel.org/majordomo-info.html \ No newline at end of file diff --git a/sources b/sources index 3276a8191..7c6ddd2af 100644 --- a/sources +++ b/sources @@ -1,3 +1,2 @@ 21223369d682bcf44bcdfe1521095983 linux-3.7.tar.xz -86fddbbbda8b9d7432ef479d055968e4 patch-3.8-rc6.xz -cf0916371135cca3495194b59f877b85 patch-3.8-rc6-git3.xz +8aeeb8d7743d0edfefc87c58118433b0 patch-3.8-rc7.xz