- 20 Aug, 2010 20 commits
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Stephen Rothwell authored
All these lists moved to lists.ozlabs.org quite a while ago. Signed-off-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Stefan Richter authored
Chapter 6 is right about mutex_trylock, but chapter 10 wasn't. This error was introduced during semaphore-to-mutex conversion of the Unreliable guide. :-) If user context which performs mutex_lock() or mutex_trylock() is preempted by interrupt context which performs mutex_trylock() on the same mutex instance, a deadlock occurs. This is because these functions do not disable local IRQs when they operate on mutex->wait_lock. Signed-off-by:
Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by:
Rusty Russell <rusty@rustcorp.com.au> Cc: Matthew Wilcox <matthew@wil.cx> Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Andrew Morton authored
gcc-4.0.2: drivers/scsi/qla4xxx/ql4_os.c: In function 'qla4_8xxx_error_recovery': drivers/scsi/qla4xxx/ql4_glbl.h:135: sorry, unimplemented: inlining failed in call to 'qla4_8xxx_set_drv_active': function body not available drivers/scsi/qla4xxx/ql4_os.c:2377: sorry, unimplemented: called from here drivers/scsi/qla4xxx/ql4_glbl.h:135: sorry, unimplemented: inlining failed in call to 'qla4_8xxx_set_drv_active': function body not available drivers/scsi/qla4xxx/ql4_os.c:2393: sorry, unimplemented: called from here Cc: Ravi Anand <ravi.anand@qlogic.com> Cc: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by:
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Miklos Szeredi authored
Fix uml compile error: include/linux/dma-mapping.h:145: error: redefinition of 'dma_get_cache_alignment' arch/um/include/asm/dma-mapping.h:99: note: previous definition of 'dma_get_cache_alignment' was here Introduced by commit 4565f017 ("dma-mapping: unify dma_get_cache_alignment implementations") Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Cc: Jeff Dike <jdike@addtoit.com> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by:
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KOSAKI Motohiro authored
dump_tasks() needs to hold the RCU read lock around its access of the target task's UID. To this end it should use task_uid() as it only needs that one thing from the creds. The fact that dump_tasks() holds tasklist_lock is insufficient to prevent the target process replacing its credentials on another CPU. Then, this patch change to call rcu_read_lock() explicitly. =================================================== [ INFO: suspicious rcu_dereference_check() usage. ] --------------------------------------------------- mm/oom_kill.c:410 invoked rcu_dereference_check() without protection! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 1 4 locks held by kworker/1:2/651: #0: (events){+.+.+.}, at: [<ffffffff8106aae7>] process_one_work+0x137/0x4a0 #1: (moom_work){+.+...}, at: [<ffffffff8106aae7>] process_one_work+0x137/0x4a0 #2: (tasklist_lock){.+.+..}, at: [<ffffffff810fafd4>] out_of_memory+0x164/0x3f0 #3: (&(&p->alloc_lock)->rlock){+.+...}, at: [<ffffffff810fa48e>] find_lock_task_mm+0x2e/0x70 Signed-off-by:KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by:
David Howells <dhowells@redhat.com> Acked-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by:
David Rientjes <rientjes@google.com> Signed-off-by:
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KOSAKI Motohiro authored
Commit 0aad4b31 ("oom: fold __out_of_memory into out_of_memory") introduced a tasklist_lock leak. Then it caused following obvious danger warnings and panic. ================================================ [ BUG: lock held when returning to user space! ] ------------------------------------------------ rsyslogd/1422 is leaving the kernel with locks still held! 1 lock held by rsyslogd/1422: #0: (tasklist_lock){.+.+.+}, at: [<ffffffff810faf64>] out_of_memory+0x164/0x3f0 BUG: scheduling while atomic: rsyslogd/1422/0x00000002 INFO: lockdep is turned off. This patch fixes it. Signed-off-by:
Minchan Kim <minchan.kim@gmail.com> Acked-by:
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KOSAKI Motohiro authored
Commit b940fd70 ("oom: remove unnecessary code and cleanup") added an unnecessary NULL pointer dereference. remove it. Signed-off-by:
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Kyungmin Park authored
There's some merge problem between sdhic core and sdhci-s3c host. After mutex is changed to spinlock. It needs to use use spin lock functions and use the correct card detection function. Signed-off-by:
Kyungmin Park <kyungmin.park@samsung.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Kyungmin Park authored
Some SDHCI controllers like s5pc110 don't have an HISPD bit in the HOSTCTL register. Signed-off-by:
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Kyungmin Park authored
s5pc110 (aka s5pv210) uses the same SDHCI IP. Signed-off-by:
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Kyungmin Park authored
Each board can override the default sdhci host capabilities. Some board has broken features by hardwares and support 8-bit bandwidth. Signed-off-by:
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Jan Kara authored
When radix_tree_maxindex() is ~0UL, it can happen that scanning overflows index and tree traversal code goes astray reading memory until it hits unreadable memory. Check for overflow and exit in that case. Signed-off-by:
Jan Kara <jack@suse.cz> Cc: Christoph Hellwig <hch@lst.de> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by:
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Andrew Morton authored
Revert commit 7721fea3 ("hwmon: f71882fg: add support for the Fintek F71808E"). Hans said: : A second review after I've received a data sheet for this device from : Fintek has turned up a few bugs. : : Unfortunately Giel (nor I) have time to fix this in time for the 2.6.36 : cycle. Therefor I would like to see this patch reverted as not having any : support for the hwmon function of this superio chip is better then having : unreliable support. Cc: Giel van Schijndel <me@mortis.eu> Cc: Jean Delvare <khali@linux-fr.org> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by:
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Andrea Righi authored
Provide a check in all the kfifo examples to validate the correct execution of each testcase. Signed-off-by:
Andrea Righi <arighi@develer.com> Acked-by:
Stefani Seibold <stefani@seibold.net> Signed-off-by:
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Andrea Righi authored
We use a dynamically allocated kfifo in the dma example, so we need to free it when unloading the module. Signed-off-by:
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Andrea Righi authored
The scatterlist is used uninitialized in kfifo_dma_in_prepare(). This triggers the following bug if CONFIG_DEBUG_SG=y: ------------[ cut here ]------------ kernel BUG at include/linux/scatterlist.h:65! invalid opcode: 0000 [#1] PREEMPT SMP ... Call Trace: [<ffffffff810a1eab>] setup_sgl+0x6b/0xe0 [<ffffffffa03d7000>] ? example_init+0x0/0x265 [dma_example] [<ffffffff810a2021>] __kfifo_dma_in_prepare+0x21/0x30 [<ffffffffa03d7124>] example_init+0x124/0x265 [dma_example] [<ffffffff810f9c55>] ? trace_module_notify+0x25/0x370 [<ffffffff81110c6e>] ? free_pages_prepare+0x11e/0x1e0 [<ffffffff8106f2b1>] ? get_parent_ip+0x11/0x50 [<ffffffff810f9c55>] ? trace_module_notify+0x25/0x370 [<ffffffff810b65fd>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff814beade>] ? mutex_unlock+0xe/0x10 [<ffffffff810f9c71>] ? trace_module_notify+0x41/0x370 [<ffffffff810a77d5>] ? __blocking_notifier_call_chain+0x45/0x80 [<ffffffff81137b7a>] ? vfree+0x2a/0x30 [<ffffffff810a6ac3>] ? up_read+0x23/0x40 [<ffffffff810a77f5>] ? __blocking_notifier_call_chain+0x65/0x80 [<ffffffff810001e3>] do_one_initcall+0x43/0x180 [<ffffffff810c577a>] sys_init_module+0xba/0x200 [<ffffffff8103819b>] system_call_fastpath+0x16/0x1b RIP [<ffffffff810a1e31>] setup_sgl_buf+0x1a1/0x1b0 RSP <ffff88006720dc98> ---[ end trace a72b979fd3c1d3a5 ]--- Add the proper initialization to avoid the bug. Signed-off-by:
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Andrea Righi authored
Provide a static array of expected items that kfifo should contain at the end of the test to validate it. Signed-off-by:
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Andrea Righi authored
Add a testcase for kfifo_skip() to the byte stream fifo example. Signed-off-by:
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Andrea Righi authored
kfifo_skip() is currently broken, due to the missing of the internal helper function. Add it. Signed-off-by:
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Ondrej Zary authored
Screen is completely corrupted since 2.6.34. Bisection revealed that it's caused by commit 6175ddf0 ("x86: Clean up mem*io functions."). H. Peter Anvin explained that memcpy_toio() does not copy data in 32bit chunks anymore on x86. Signed-off-by:
Ondrej Zary <linux@rainbow-software.org> Cc: Brian Gerst <brgerst@gmail.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Petr Vandrovec <vandrove@vc.cvut.cz> Cc: Jean Delvare <khali@linux-fr.org> Cc: <stable@kernel.org> [2.6.34.x, 2.6.35.x] Signed-off-by:
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- 19 Aug, 2010 3 commits
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Linus Torvalds authored
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: kprobes/x86: Fix the return address of multiple kretprobes perf tools: Fix build error on read only source. perf, x86: Fix Intel-nhm PMU programming errata workaround
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KUMANO Syuhei authored
Fix the return address of subsequent kretprobes when multiple kretprobes are set on the same function. For example: # cd /sys/kernel/debug/tracing # echo "r:event1 sys_symlink" > kprobe_events # echo "r:event2 sys_symlink" >> kprobe_events # echo 1 > events/kprobes/enable # ln -s /tmp/foo /tmp/bar (without this patch) # cat trace ln-897 [000] 20404.133727: event1: (kretprobe_trampoline+0x0/0x4c <- sys_symlink) ln-897 [000] 20404.133747: event2: (system_call_fastpath+0x16/0x1b <- sys_symlink) (with this patch) # cat trace ln-740 [000] 13799.491076: event1: (system_call_fastpath+0x16/0x1b <- sys_symlink) ln-740 [000] 13799.491096: event2: (system_call_fastpath+0x16/0x1b <- sys_symlink) Signed-off-by:KUMANO Syuhei <kumano.prog@gmail.com> Reviewed-by:
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> LKML-Reference: <1281853084.3254.11.camel@camp10-laptop> Signed-off-by:
Ingo Molnar <mingo@elte.hu>
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Ingo Molnar authored
Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/urgent
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- 18 Aug, 2010 17 commits
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git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds authored
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFS: Fix an Oops in the NFSv4 atomic open code NFS: Fix the selection of security flavours in Kconfig NFS: fix the return value of nfs_file_fsync() rpcrdma: Fix SQ size calculation when memreg is FRMR xprtrdma: Do not truncate iova_start values in frmr registrations. nfs: Remove redundant NULL check upon kfree() nfs: Add "lookupcache" to displayed mount options NFS: allow close-to-open cache semantics to apply to root of NFS filesystem SUNRPC: fix NFS client over TCP hangs due to packet loss (Bug 16494)
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hidLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: USB HID: Add ID for eGalax Multitouch used in JooJoo tablet HID: hiddev: fix memory corruption due to invalid intfdata HID: hiddev: protect against disconnect/NULL-dereference race HID: picolcd: correct ordering of framebuffer freeing HID: picolcd: testing the wrong variable
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Fix build error: conflicting types for ‘sys_execve’
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David Howells authored
Fix the declaration of sys_execve() in asm-generic/syscalls.h to have various consts applied to its pointers. Signed-off-by:
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Tony Luck authored
arch/ia64/kernel/process.c:636: error: conflicting types for ‘sys_execve’ commit d7627467 Make do_execve() take a const filename pointer Missed the declaration of sys_execve in the ia64 asm/unistd.h (perhaps because there is no reason for it to be there ... it might be a left over from the COMPAT code?). Just delete the conflicting version. Signed-off-by:
Tony Luck <tony.luck@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: fs: brlock vfsmount_lock fs: scale files_lock lglock: introduce special lglock and brlock spin locks tty: fix fu_list abuse fs: cleanup files_lock locking fs: remove extra lookup in __lookup_hash fs: fs_struct rwlock to spinlock apparmor: use task path helpers fs: dentry allocation consolidation fs: fix do_lookup false negative mbcache: Limit the maximum number of cache entries hostfs ->follow_link() braino hostfs: dumb (and usually harmless) tpyo - strncpy instead of strlcpy remove SWRITE* I/O types kill BH_Ordered flag vfs: update ctime when changing the file's permission by setfacl cramfs: only unlock new inodes fix reiserfs_evict_inode end_writeback second call
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Uwe Kleine-König authored
This fixes a build breakage introduced by commit 4c2ef25f ("mmc: fix all hangs related to mmc/sd card insert/removal during suspend/resume") Cc: David Brownell <david-b@pacbell.net> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: linux-mmc@vger.kernel.org Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by:
Kukjin Kim <kgene.kim@samsung.com> Acked-by:
Maxim Levitsky <maximlevitsky@gmail.com> Acked-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Kusanagi Kouichi authored
Parts of the build process were generating files outside the specified O= directory, causing the build to fail on systems where the sources are in a read only file system. Fix it by using $(OUTPUT) on these locations. Also check that $(OUTPUT) actually exists, just like the top level kernel Makefile does. Otherwise the failure message emitted is completely misleading. Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <20100817140841.0859362C03A@msa106.auone-net.jp> Signed-off-by:
Kusanagi Kouichi <slash@ac.auone-net.jp> Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Linus Torvalds authored
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf tools: Fix build on POSIX shells latencytop: Fix kconfig dependency warnings perf annotate tui: Fix exit and RIGHT keys handling tracing: Sanitize value returned from write(trace_marker, "...", len) tracing/events: Convert format output to seq_file tracing: Extend recordmcount to better support Blackfin mcount tracing: Fix ring_buffer_read_page reading out of page boundary tracing: Fix an unallocated memory access in function_graph
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: emu10k1 - delay the PCM interrupts (add pcm_irq_delay parameter) ALSA: hda - Fix ALC680 base model capture ASoC: Remove DSP mode support for WM8776 ALSA: hda - Add quirk for Dell Vostro 1220 ALSA: riptide - Fix detection / load of firmware files
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommuLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68knommu: include sched.h in ColdFire/SPI driver m68knommu: formatting of pointers in printk() m68knommu: arch/m68k/include/asm/ide.h fix for nommu
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git://neil.brown.name/mdLinus Torvalds authored
* 'for-linus' of git://neil.brown.name/md: md raid-1/10 Fix bio_rw bit manipulations again md: provide appropriate return value for spare_active functions. md: Notify sysfs when RAID1/5/10 disk is In_sync. Update recovery_offset even when external metadata is used.
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git://git.secretlab.ca/git/linux-2.6Linus Torvalds authored
* 'merge-devicetree' of git://git.secretlab.ca/git/linux-2.6: spi.h: missing kernel-doc notation, please fix of: fix missing headers for of_address_to_resource() in MTD and SysACE drivers of: Fix missing includes ata: update for of_device to platform_device replacement microblaze: Fix of: eliminate of_device->node and dev_archdata->{of,prom}_node microblaze: Fix of/address: Merge all of the bus translation code booting-without-of: Remove nonexistent chapters from TOC, fix numbering
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Trond Myklebust authored
Adam Lackorzynski reports: with 2.6.35.2 I'm getting this reproducible Oops: [ 110.825396] BUG: unable to handle kernel NULL pointer dereference at (null) [ 110.828638] IP: [<ffffffff811247b7>] encode_attrs+0x1a/0x2a4 [ 110.828638] PGD be89f067 PUD bf18f067 PMD 0 [ 110.828638] Oops: 0000 [#1] SMP [ 110.828638] last sysfs file: /sys/class/net/lo/operstate [ 110.828638] CPU 2 [ 110.828638] Modules linked in: rtc_cmos rtc_core rtc_lib amd64_edac_mod i2c_amd756 edac_core i2c_core dm_mirror dm_region_hash dm_log dm_snapshot sg sr_mod usb_storage ohci_hcd mptspi tg3 mptscsih mptbase usbcore nls_base [last unloaded: scsi_wait_scan] [ 110.828638] [ 110.828638] Pid: 11264, comm: setchecksum Not tainted 2.6.35.2 #1 [ 110.828638] RIP: 0010:[<ffffffff811247b7>] [<ffffffff811247b7>] encode_attrs+0x1a/0x2a4 [ 110.828638] RSP: 0000:ffff88003bf5b878 EFLAGS: 00010296 [ 110.828638] RAX: ffff8800bddb48a8 RBX: ffff88003bf5bb18 RCX: 0000000000000000 [ 110.828638] RDX: ffff8800be258800 RSI: 0000000000000000 RDI: ffff88003bf5b9f8 [ 110.828638] RBP: 0000000000000000 R08: ffff8800bddb48a8 R09: 0000000000000004 [ 110.828638] R10: 0000000000000003 R11: ffff8800be779000 R12: ffff8800be258800 [ 110.828638] R13: ffff88003bf5b9f8 R14: ffff88003bf5bb20 R15: ffff8800be258800 [ 110.828638] FS: 0000000000000000(0000) GS:ffff880041e00000(0063) knlGS:00000000556bd6b0 [ 110.828638] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b [ 110.828638] CR2: 0000000000000000 CR3: 00000000be8ef000 CR4: 00000000000006e0 [ 110.828638] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 110.828638] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 110.828638] Process setchecksum (pid: 11264, threadinfo ffff88003bf5a000, task ffff88003f232210) [ 110.828638] Stack: [ 110.828638] 0000000000000000 ffff8800bfbcf920 0000000000000000 0000000000000ffe [ 110.828638] <0> 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 110.828638] <0> 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 110.828638] Call Trace: [ 110.828638] [<ffffffff81124c1f>] ? nfs4_xdr_enc_setattr+0x90/0xb4 [ 110.828638] [<ffffffff81371161>] ? call_transmit+0x1c3/0x24a [ 110.828638] [<ffffffff813774d9>] ? __rpc_execute+0x78/0x22a [ 110.828638] [<ffffffff81371a91>] ? rpc_run_task+0x21/0x2b [ 110.828638] [<ffffffff81371b7e>] ? rpc_call_sync+0x3d/0x5d [ 110.828638] [<ffffffff8111e284>] ? _nfs4_do_setattr+0x11b/0x147 [ 110.828638] [<ffffffff81109466>] ? nfs_init_locked+0x0/0x32 [ 110.828638] [<ffffffff810ac521>] ? ifind+0x4e/0x90 [ 110.828638] [<ffffffff8111e2fb>] ? nfs4_do_setattr+0x4b/0x6e [ 110.828638] [<ffffffff8111e634>] ? nfs4_do_open+0x291/0x3a6 [ 110.828638] [<ffffffff8111ed81>] ? nfs4_open_revalidate+0x63/0x14a [ 110.828638] [<ffffffff811056c4>] ? nfs_open_revalidate+0xd7/0x161 [ 110.828638] [<ffffffff810a2de4>] ? do_lookup+0x1a4/0x201 [ 110.828638] [<ffffffff810a4733>] ? link_path_walk+0x6a/0x9d5 [ 110.828638] [<ffffffff810a42b6>] ? do_last+0x17b/0x58e [ 110.828638] [<ffffffff810a5fbe>] ? do_filp_open+0x1bd/0x56e [ 110.828638] [<ffffffff811cd5e0>] ? _atomic_dec_and_lock+0x30/0x48 [ 110.828638] [<ffffffff810a9b1b>] ? dput+0x37/0x152 [ 110.828638] [<ffffffff810ae063>] ? alloc_fd+0x69/0x10a [ 110.828638] [<ffffffff81099f39>] ? do_sys_open+0x56/0x100 [ 110.828638] [<ffffffff81027a22>] ? ia32_sysret+0x0/0x5 [ 110.828638] Code: 83 f1 01 e8 f5 ca ff ff 48 83 c4 50 5b 5d 41 5c c3 41 57 41 56 41 55 49 89 fd 41 54 49 89 d4 55 48 89 f5 53 48 81 ec 18 01 00 00 <8b> 06 89 c2 83 e2 08 83 fa 01 19 db 83 e3 f8 83 c3 18 a8 01 8d [ 110.828638] RIP [<ffffffff811247b7>] encode_attrs+0x1a/0x2a4 [ 110.828638] RSP <ffff88003bf5b878> [ 110.828638] CR2: 0000000000000000 [ 112.840396] ---[ end trace 95282e83fd77358f ]--- We need to ensure that the O_EXCL flag is turned off if the user doesn't set O_CREAT. Cc: stable@kernel.org Signed-off-by:Trond Myklebust <Trond.Myklebust@netapp.com>
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Takashi Iwai authored
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Takashi Iwai authored
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Jaroslav Kysela authored
With some hardware combinations, the PCM interrupts are acknowledged before the period boundary from the emu10k1 chip. The midlevel PCM code gets confused and the playback stream is interrupted. It seems that the interrupt processing shift by 2 samples is enough to fix this issue. This default value does not harm other, non-affected hardware. More information: Kernel bugzilla bug#16300 [A copmile warning fixed by tiwai] Signed-off-by:
Jaroslav Kysela <perex@perex.cz> Cc: <stable@kernel.org> Signed-off-by:
Takashi Iwai <tiwai@suse.de>
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