08 Jun, 2011
1 commit
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* 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
vfs: make unlink() and rmdir() return ENOENT in preference to EROFS
lmLogOpen() broken failure exit
usb: remove bad dput after dentry_unhash
more conservative S_NOSEC handling
04 Jun, 2011
6 commits
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (40 commits)
tg3: Fix tg3_skb_error_unmap()
net: tracepoint of net_dev_xmit sees freed skb and causes panic
drivers/net/can/flexcan.c: add missing clk_put
net: dm9000: Get the chip in a known good state before enabling interrupts
drivers/net/davinci_emac.c: add missing clk_put
af-packet: Add flag to distinguish VID 0 from no-vlan.
caif: Fix race when conditionally taking rtnl lock
usbnet/cdc_ncm: add missing .reset_resume hook
vlan: fix typo in vlan_dev_hard_start_xmit()
net/ipv4: Check for mistakenly passed in non-IPv4 address
iwl4965: correctly validate temperature value
bluetooth l2cap: fix locking in l2cap_global_chan_by_psm
ath9k: fix two more bugs in tx power
cfg80211: don't drop p2p probe responses
Revert "net: fix section mismatches"
drivers/net/usb/catc.c: Fix potential deadlock in catc_ctrl_run()
sctp: stop pending timers and purge queues when peer restart asoc
drivers/net: ks8842 Fix crash on received packet when in PIO mode.
ip_options_compile: properly handle unaligned pointer
iwlagn: fix incorrect PCI subsystem id for 6150 devices
... -
* 'for-linus' of git://git.kernel.dk/linux-block:
block: Use hlist_entry() for io_context.cic_list.first
cfq-iosched: Remove bogus check in queue_fail path
xen/blkback: potential null dereference in error handling
xen/blkback: don't call vbd_size() if bd_disk is NULL
block: blkdev_get() should access ->bd_disk only after success
CFQ: Fix typo and remove unnecessary semicolon
block: remove unwanted semicolons
Revert "block: Remove extra discard_alignment from hd_struct."
nbd: adjust 'max_part' according to part_shift
nbd: limit module parameters to a sane value
nbd: pass MSG_* flags to kernel_recvmsg()
block: improve the bio_add_page() and bio_add_pc_page() descriptions -
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
asm-generic/unistd.h: support sendmmsg syscall
tile: enable CONFIG_BUGVERBOSE -
Caching "we have already removed suid/caps" was overenthusiastic as merged.
On network filesystems we might have had suid/caps set on another client,
silently picked by this client on revalidate, all of that *without* clearing
the S_NOSEC flag.AFAICS, the only reasonably sane way to deal with that is
* new superblock flag; unless set, S_NOSEC is not going to be set.
* local block filesystems set it in their ->mount() (more accurately,
mount_bdev() does, so does btrfs ->mount(), users of mount_bdev() other than
local block ones clear it)
* if any network filesystem (or a cluster one) wants to use S_NOSEC,
it'll need to set MS_NOSEC in sb->s_flags *AND* take care to clear S_NOSEC when
inode attribute changes are picked from other clients.It's not an earth-shattering hole (anybody that can set suid on another client
will almost certainly be able to write to the file before doing that anyway),
but it's a bug that needs fixing.Signed-off-by: Al Viro
-
This reverts commit b1c43f82c5aa265442f82dba31ce985ebb7aa71c.
It was broken in so many ways, and results in random odd pty issues.
It re-introduced the buggy schedule_work() in flush_to_ldisc() that can
cause endless work-loops (see commit a5660b41af6a: "tty: fix endless
work loop when the buffer fills up").It also used an "unsigned int" return value fo the ->receive_buf()
function, but then made multiple functions return a negative error code,
and didn't actually check for the error in the caller.And it didn't actually work at all. BenH bisected down odd tty behavior
to it:
"It looks like the patch is causing some major malfunctions of the X
server for me, possibly related to PTYs. For example, cat'ing a
large file in a gnome terminal hangs the kernel for -minutes- in a
loop of what looks like flush_to_ldisc/workqueue code, (some ftrace
data in the quoted bits further down)....
Some more data: It -looks- like what happens is that the
flush_to_ldisc work queue entry constantly re-queues itself (because
the PTY is full ?) and the workqueue thread will basically loop
forver calling it without ever scheduling, thus starving the consumer
process that could have emptied the PTY."which is pretty much exactly the problem we fixed in a5660b41af6a.
Milton Miller pointed out the 'unsigned int' issue.
Reported-by: Benjamin Herrenschmidt
Reported-by: Milton Miller
Cc: Stefan Bigler
Cc: Toby Gray
Cc: Felipe Balbi
Cc: Greg Kroah-Hartman
Cc: Alan Cox
Signed-off-by: Linus Torvalds -
…wireless-2.6 into for-davem
03 Jun, 2011
2 commits
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Because there is a possibility that skb is kfree_skb()ed and zero cleared
after ndo_start_xmit, we should not see the contents of skb like skb->len and
skb->dev->name after ndo_start_xmit. But trace_net_dev_xmit does that
and causes panic by NULL pointer dereference.
This patch fixes trace_net_dev_xmit not to see the contents of skb directly.If you want to reproduce this panic,
1. Get tracepoint of net_dev_xmit on
2. Create 2 guests on KVM
2. Make 2 guests use virtio_net
4. Execute netperf from one to another for a long time as a network burden
5. host will panic(It takes about 30 minutes)Signed-off-by: Koki Sanagi
Signed-off-by: David S. Miller -
Signed-off-by: Chris Metcalf
Acked-by: Arnd Bergmann
02 Jun, 2011
3 commits
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Currently, user-space cannot determine if a 0 tcp_vlan_tci
means there is no VLAN tag or the VLAN ID was zero.Add flag to make this explicit. User-space can check for
TP_STATUS_VLAN_VALID || tp_vlan_tci > 0, which will be backwards
compatible. Older could would have just checked for tp_vlan_tci,
so it will work no worse than before.Signed-off-by: Ben Greear
Acked-by: Eric Dumazet
Signed-off-by: David S. Miller -
* git://git.infradead.org/iommu-2.6:
intel-iommu: Fix off-by-one in RMRR setup
intel-iommu: Add domain check in domain_remove_one_dev_info
intel-iommu: Remove Host Bridge devices from identity mapping
intel-iommu: Use coherent DMA mask when requested
intel-iommu: Dont cache iova above 32bit
intel-iommu: Speed up processing of the identity_mapping function
intel-iommu: Check for identity mapping candidate using system dma mask
intel-iommu: Only unlink device domains from iommu
intel-iommu: Enable super page (2MiB, 1GiB, etc.) support
intel-iommu: Flush unmaps at domain_exit
intel-iommu: Remove obsolete comment from detect_intel_iommu
intel-iommu: fix VT-d PMR disable for TXT on S3 resume -
Commit 0a35d36 ("cfg80211: Use capability info to detect mesh beacons")
assumed that probe response with both ESS and IBSS bits cleared
means that the frame was sent by a mesh sta.However, these capabilities are also being used in the p2p_find phase,
and the mesh-validation broke it.Rename the WLAN_CAPABILITY_IS_MBSS macro, and verify that mesh ies
exist before assuming this frame was sent by a mesh sta.Signed-off-by: Eliad Peller
Signed-off-by: John W. Linville
01 Jun, 2011
4 commits
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* git://git.infradead.org/mtd-2.6:
mtd: fix physmap.h warnings -
There are no externally-visible changes with this. In the loop in the
internal __domain_mapping() function, we simply detect if we are mapping:
- size >= 2MiB, and
- virtual address aligned to 2MiB, and
- physical address aligned to 2MiB, and
- on hardware that supports superpages.(and likewise for larger superpages).
We automatically use a superpage for such mappings. We never have to
worry about *breaking* superpages, since we trust that we will always
*unmap* the same range that was mapped. So all we need to do is ensure
that dma_pte_clear_range() will also cope with superpages.Adjust pfn_to_dma_pte() to take a superpage 'level' as an argument, so
it can return a PTE at the appropriate level rather than always
extending the page tables all the way down to level 1. Again, this is
simplified by the fact that we should never encounter existing small
pages when we're creating a mapping; any old mapping that used the same
virtual range will have been entirely removed and its obsolete page
tables freed.Provide an 'intel_iommu=sp_off' argument on the command line as a
chicken bit. Not that it should ever be required.==
The original commit seen in the iommu-2.6.git was Youquan's
implementation (and completion) of my own half-baked code which I'd
typed into an email. Followed by half a dozen subsequent 'fixes'.I've taken the unusual step of rewriting history and collapsing the
original commits in order to keep the main history simpler, and make
life easier for the people who are going to have to backport this to
older kernels. And also so I can give it a more coherent commit comment
which (hopefully) gives a better explanation of what's going on.The original sequence of commits leading to identical code was:
Youquan Song (3):
intel-iommu: super page support
intel-iommu: Fix superpage alignment calculation error
intel-iommu: Fix superpage level calculation error in dma_pfn_level_pte()David Woodhouse (4):
intel-iommu: Precalculate superpage support for dmar_domain
intel-iommu: Fix hardware_largepage_caps()
intel-iommu: Fix inappropriate use of superpages in __domain_mapping()
intel-iommu: Fix phys_pfn in __domain_mapping for sglist pagesSigned-off-by: Youquan Song
Signed-off-by: David Woodhouse -
Fix build warnings in physmap.h:
include/linux/mtd/physmap.h:25: warning: 'struct platform_device' declared inside parameter list
include/linux/mtd/physmap.h:25: warning: its scope is only this definition or declaration, which is probably not what you want
include/linux/mtd/physmap.h:26: warning: 'struct platform_device' declared inside parameter list
include/linux/mtd/physmap.h:27: warning: 'struct platform_device' declared inside parameter listSigned-off-by: Randy Dunlap
Signed-off-by: David Woodhouse -
If the peer restart the asoc, we should not only fail any unsent/unacked
data, but also stop the T3-rtx, SACK, T4-rto timers, and teardown ASCONF
queues.Signed-off-by: Wei Yongjun
Signed-off-by: David S. Miller
31 May, 2011
1 commit
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Since those defined functions require additional semicolon
from the caller, they could cause potential syntax errors
when used in if-else statements.Signed-off-by: Namhyung Kim
Acked-by: Martin K. Petersen
Signed-off-by: Jens Axboe
30 May, 2011
18 commits
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It was not a good idea to start dereferencing disk->queue from
the fs sysfs strategy for displaying discard alignment. We ran
into first a NULL pointer deref, and after fixing that we sometimes
see unvalid disk->queue pointer values.Since discard is the only one of the bunch actually looking into
the queue, just revert the change.This reverts commit 23ceb5b7719e9276d4fa72a3ecf94dd396755276.
Conflicts:
fs/partitions/check.c -
Add an API that tells the other side that callbacks
should be delayed until a lot of work has been done.
Implement using the new event_idx feature.Note: it might seem advantageous to let the drivers
ask for a callback after a specific capacity has
been reached. However, as a single head can
free many entries in the descriptor table,
we don't really have a clue about capacity
until get_buf is called. The API is the simplest
to implement at the moment, we'll see what kind of
hints drivers can pass when there's more than one
user of the feature.Signed-off-by: Michael S. Tsirkin
Signed-off-by: Rusty Russell -
With the new used_event and avail_event and features, both
host and guest need similar logic to check whether events are
enabled, so it helps to put the common code in the header.Note that Xen has similar logic for notification hold-off
in include/xen/interface/io/ring.h with req_event and req_prod
corresponding to event_idx + 1 and new_idx respectively.
+1 comes from the fact that req_event and req_prod in Xen start at 1,
while event index in virtio starts at 0.Signed-off-by: Michael S. Tsirkin
Signed-off-by: Rusty Russell -
Define a new feature bit for the guest and host to utilize
an event index (like Xen) instead if a flag bit to enable/disable
interrupts and kicks.Signed-off-by: Michael S. Tsirkin
Signed-off-by: Rusty Russell -
It's unclear to me if it's important, but it's obviously causing my
technical colleages some headaches and I'd hate such imprecision to
slow virtio adoption.I've emailed this to all non-trivial contributors for approval, too.
Signed-off-by: Rusty Russell
Acked-by: Grant Likely
Acked-by: Ryan Harper
Acked-by: Anthony Liguori
Acked-by: Eric Van Hensbergen
Acked-by: john cooper
Acked-by: Aneesh Kumar K.V
Acked-by: Christian Borntraeger
Acked-by: Fernando Luis Vazquez Cao -
* 'pnfs-submit' of git://git.open-osd.org/linux-open-osd: (32 commits)
pnfs-obj: pg_test check for max_io_size
NFSv4.1: define nfs_generic_pg_test
NFSv4.1: use pnfs_generic_pg_test directly by layout driver
NFSv4.1: change pg_test return type to bool
NFSv4.1: unify pnfs_pageio_init functions
pnfs-obj: objlayout_encode_layoutcommit implementation
pnfs: encode_layoutcommit
pnfs-obj: report errors and .encode_layoutreturn Implementation.
pnfs: encode_layoutreturn
pnfs: layoutret_on_setattr
pnfs: layoutreturn
pnfs-obj: osd raid engine read/write implementation
pnfs: support for non-rpc layout drivers
pnfs-obj: define per-inode private structure
pnfs: alloc and free layout_hdr layoutdriver methods
pnfs-obj: objio_osd device information retrieval and caching
pnfs-obj: decode layout, alloc/free lseg
pnfs-obj: pnfs_osd XDR client implementation
pnfs-obj: pnfs_osd XDR definitions
pnfs-obj: objlayoutdriver module skeleton
... -
Thomas Gleixner reports that we now have a boot crash triggered by
CONFIG_CPUMASK_OFFSTACK=y:BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [] find_next_bit+0x55/0xb0
Call Trace:
[] cpumask_any_but+0x2a/0x70
[] flush_tlb_mm+0x2b/0x80
[] pud_populate+0x35/0x50
[] pgd_alloc+0x9a/0xf0
[] mm_init+0xec/0x120
[] mm_alloc+0x53/0xd0which was introduced by commit de03c72cfce5 ("mm: convert
mm->cpu_vm_cpumask into cpumask_var_t"), and is due to wrong ordering of
mm_init() vs mm_init_cpumaskThomas wrote a patch to just fix the ordering of initialization, but I
hate the new double allocation in the fork path, so I ended up instead
doing some more radical surgery to clean it all up.Reported-by: Thomas Gleixner
Reported-by: Ingo Molnar
Cc: KOSAKI Motohiro
Cc: Andrew Morton
Signed-off-by: Linus Torvalds -
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] mm: fix mmu_gather rework
[S390] mm: fix storage key handling -
* 'for-2.6.40' of git://linux-nfs.org/~bfields/linux: (22 commits)
nfsd: make local functions static
NFSD: Remove unused variable from nfsd4_decode_bind_conn_to_session()
NFSD: Check status from nfsd4_map_bcts_dir()
NFSD: Remove setting unused variable in nfsd_vfs_read()
nfsd41: error out on repeated RECLAIM_COMPLETE
nfsd41: compare request's opcnt with session's maxops at nfsd4_sequence
nfsd v4.1 lOCKT clientid field must be ignored
nfsd41: add flag checking for create_session
nfsd41: make sure nfs server process OPEN with EXCLUSIVE4_1 correctly
nfsd4: fix wrongsec handling for PUTFH + op cases
nfsd4: make fh_verify responsibility of nfsd_lookup_dentry caller
nfsd4: introduce OPDESC helper
nfsd4: allow fh_verify caller to skip pseudoflavor checks
nfsd: distinguish functions of NFSD_MAY_* flags
svcrpc: complete svsk processing on cb receive failure
svcrpc: take advantage of tcp autotuning
SUNRPC: Don't wait for full record to receive tcp data
svcrpc: copy cb reply instead of pages
svcrpc: close connection if client sends short packet
svcrpc: note network-order types in svc_process_calldir
... -
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm:
dm kcopyd: return client directly and not through a pointer
dm kcopyd: reserve fewer pages
dm io: use fixed initial mempool size
dm kcopyd: alloc pages from the main page allocator
dm kcopyd: add gfp parm to alloc_pl
dm kcopyd: remove superfluous page allocation spinlock
dm kcopyd: preallocate sub jobs to avoid deadlock
dm kcopyd: avoid pointless job splitting
dm mpath: do not fail paths after integrity errors
dm table: reject devices without request fns
dm table: allow targets to support discards internally -
* 'nfs-for-2.6.40' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
SUNRPC: Support for RPC over AF_LOCAL transports
SUNRPC: Remove obsolete comment
SUNRPC: Use AF_LOCAL for rpcbind upcalls
SUNRPC: Clean up use of curly braces in switch cases
NFS: Revert NFSROOT default mount options
SUNRPC: Rename xs_encode_tcp_fragment_header()
nfs,rcu: convert call_rcu(nfs_free_delegation_callback) to kfree_rcu()
nfs41: Correct offset for LAYOUTCOMMIT
NFS: nfs_update_inode: print current and new inode size in debug output
NFSv4.1: Fix the handling of NFS4ERR_SEQ_MISORDERED errors
NFSv4: Handle expired stateids when the lease is still valid
SUNRPC: Deal with the lack of a SYN_SENT sk->sk_state_change callback... -
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI EC: remove redundant code
ACPI: Add D3 cold state
ACPI: processor: fix processor_physically_present in UP kernel
ACPI: Split out custom_method functionality into an own driver
ACPI: Cleanup custom_method debug stuff
ACPI EC: enable MSI workaround for Quanta laptops
ACPICA: Update to version 20110413
ACPICA: Execute an orphan _REG method under the EC device
ACPICA: Move ACPI_NUM_PREDEFINED_REGIONS to a more appropriate place
ACPICA: Update internal address SpaceID for DataTable regions
ACPICA: Add more methods eligible for NULL package element removal
ACPICA: Split all internal Global Lock functions to new file - evglock
ACPI: EC: add another DMI check for ASUS hardware
ACPI EC: remove dead code
ACPICA: Fix code divergence of global lock handling
ACPICA: Use acpi_os_create_lock interface
ACPI: osl, add acpi_os_create_lock interface
ACPI:Fix goto flows in thermal-sys -
* 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6:
x86 idle: deprecate mwait_idle() and "idle=mwait" cmdline param
x86 idle: deprecate "no-hlt" cmdline param
x86 idle APM: deprecate CONFIG_APM_CPU_IDLE
x86 idle floppy: deprecate disable_hlt()
x86 idle: EXPORT_SYMBOL(default_idle, pm_idle) only when APM demands it
x86 idle: clarify AMD erratum 400 workaround
idle governor: Avoid lock acquisition to read pm_qos before entering idle
cpuidle: menu: fixed wrapping timers at 4.294 seconds -
Signed-off-by: Benny Halevy
-
NFSv4.1 LAYOUTRETURN implementation
Currently, does not support layout-type payload encoding.
Signed-off-by: Alexandros Batsakis
Signed-off-by: Andy Adamson
Signed-off-by: Andy Adamson
Signed-off-by: Dean Hildebrand
Signed-off-by: Fred Isaman
Signed-off-by: Fred Isaman
Signed-off-by: Marc Eshel
Signed-off-by: Zhang Jingwang
[call pnfs_return_layout right before pnfs_destroy_layout]
[remove assert_spin_locked from pnfs_clear_lseg_list]
[remove wait parameter from the layoutreturn path.]
[remove return_type field from nfs4_layoutreturn_args]
[remove range from nfs4_layoutreturn_args]
[no need to send layoutcommit from _pnfs_return_layout]
[don't wait on sync layoutreturn]
[fix layout stateid in layoutreturn args]
[fixed NULL deref in _pnfs_return_layout]
[removed recaim member of nfs4_layoutreturn_args]
Signed-off-by: Benny Halevy -
Non-rpc layout driver such as for objects and blocks
implement their own I/O path and error handling logic.
Therefore bypass NFS-based error handling for these layout drivers.[fix lseg ref-count bugs, and null de-refs]
[Fall out from: non-rpc layout drivers]
Signed-off-by: Boaz Harrosh
[get rid of PNFS_USE_RPC_CODE]
[get rid of __nfs4_write_done_cb]
[revert useless change in nfs4_write_done_cb]
Signed-off-by: Benny Halevy -
* Add the pnfs_osd_xdr.h header
* defintions the pnfs_osd_layout structure including all it's
sub-types and constants.
* Declare the pnfs_osd_xdr_decode_layout API + all needed
inline helpers.* Define the pnfs_osd_deviceaddr structure and all its subtypes and
constants.
* Declare API for decoding of a pnfs_osd_deviceaddr from XDR stream.* Define the pnfs_osd_ioerr structure, its substructures and constants.
* Declare API for encoding of a pnfs_osd_ioerr into XDR stream.* Define the pnfs_osd_layoutupdate structure and its substructures.
* Declare API for encoding of a pnfs_osd_layoutupdate into XDR stream.[Remove server definitions]
Signed-off-by: Boaz Harrosh
Signed-off-by: Benny Halevy -
Initialize xdr_stream and xdr_buf using an array of page pointers
and length of buffer.Signed-off-by: Benny Halevy
29 May, 2011
5 commits
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Return client directly from dm_kcopyd_client_create, not through a
parameter, making it consistent with dm_io_client_create.Signed-off-by: Mikulas Patocka
Signed-off-by: Alasdair G Kergon -
Reserve just the minimum of pages needed to process one job.
Because we allocate pages from page allocator, we don't need to reserve
a large number of pages. The maximum job size is SUB_JOB_SIZE and we
calculate the number of reserved pages based on this.Signed-off-by: Mikulas Patocka
Signed-off-by: Alasdair G Kergon -
Replace the arbitrary calculation of an initial io struct mempool size
with a constant.The code calculated the number of reserved structures based on the request
size and used a "magic" multiplication constant of 4. This patch changes
it to reserve a fixed number - itself still chosen quite arbitrarily.
Further testing might show if there is a better number to choose.Note that if there is no memory pressure, we can still allocate an
arbitrary number of "struct io" structures. One structure is enough to
process the whole request.Signed-off-by: Mikulas Patocka
Signed-off-by: Alasdair G Kergon -
Permit a target to support discards regardless of whether or not all its
underlying devices do.Signed-off-by: Mike Snitzer
Signed-off-by: Alasdair G Kergon -
page_get_storage_key() and page_set_storage_key() expect a page address
and not its page frame number. This got inconsistent with 2d42552d
"[S390] merge page_test_dirty and page_clear_dirty".Result is that we read/write storage keys from random pages and do not
have a working dirty bit tracking at all.
E.g. SetPageUpdate() doesn't clear the dirty bit of requested pages, which
for example ext4 doesn't like very much and panics after a while.Unable to handle kernel paging request at virtual user address (null)
Oops: 0004 [#1] PREEMPT SMP DEBUG_PAGEALLOC
Modules linked in:
CPU: 1 Not tainted 2.6.39-07551-g139f37f-dirty #152
Process flush-94:0 (pid: 1576, task: 000000003eb34538, ksp: 000000003c287b70)
Krnl PSW : 0704c00180000000 0000000000316b12 (jbd2_journal_file_inode+0x10e/0x138)
R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 EA:3
Krnl GPRS: 0000000000000000 0000000000000000 0000000000000000 0700000000000000
0000000000316a62 000000003eb34cd0 0000000000000025 000000003c287b88
0000000000000001 000000003c287a70 000000003f1ec678 000000003f1ec000
0000000000000000 000000003e66ec00 0000000000316a62 000000003c287988
Krnl Code: 0000000000316b04: f0a0000407f4 srp 4(11,%r0),2036,0
0000000000316b0a: b9020022 ltgr %r2,%r2
0000000000316b0e: a7740015 brc 7,316b38
>0000000000316b12: e3d0c0000024 stg %r13,0(%r12)
0000000000316b18: 4120c010 la %r2,16(%r12)
0000000000316b1c: 4130d060 la %r3,96(%r13)
0000000000316b20: e340d0600004 lg %r4,96(%r13)
0000000000316b26: c0e50002b567 brasl %r14,36d5f4
Call Trace:
([] jbd2_journal_file_inode+0x5e/0x138)
[] mpage_da_map_and_submit+0x2e8/0x42c
[] ext4_da_writepages+0x2da/0x504
[] writeback_single_inode+0xf8/0x268
[] writeback_sb_inodes+0xd2/0x18c
[] writeback_inodes_wb+0x80/0x168
[] wb_writeback+0x2aa/0x324
[] wb_do_writeback+0xd2/0x274
[] bdi_writeback_thread+0xba/0x1c4
[] kthread+0xa6/0xb0
[] kernel_thread_starter+0x6/0xc
[] kernel_thread_starter+0x0/0xc
INFO: lockdep is turned off.
Last Breaking-Event-Address:
[] jbd2_journal_file_inode+0x86/0x138Reported-by: Sebastian Ott
Signed-off-by: Heiko Carstens
