* Re: CIFS related seg fault (v2.6.37) [not found] ` <AANLkTikp0=w7k+PsUCQVQwxnZMLsp3F7a3rEDQAas20G-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> @ 2011-01-20 4:45 ` Suresh Jayaraman [not found] ` <4D37BDE4.1000104-l3A5Bk7waGM@public.gmane.org> 0 siblings, 1 reply; 5+ messages in thread From: Suresh Jayaraman @ 2011-01-20 4:45 UTC (permalink / raw) To: Peter Teoh; +Cc: LKML, linux-cifs-u79uwXL29TY76Z2rM5mHXA, Jeff Layton (Cc linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org) On 01/20/2011 07:05 AM, Peter Teoh wrote: > Filed a bug today: > > https://bugzilla.kernel.org/show_bug.cgi?id=27082 > > Version of kernel (linus git tree synced): v2.6.37-3737-g0c21e3a > > Output of dmesg summarized here: > > [ 7273.369563] ------------[ cut here ]------------ > [ 7273.369575] kernel BUG at fs/dcache.c:1358! Looks like the issue is already fixed in VFS (see discussion): http://thread.gmane.org/gmane.linux.kernel.cifs/2284 Jeff: Looks like the issue is reproducible with 2.6.37 too.. Any idea which is the commit that fixes this problem and whether it has been marked for -stable? > [ 7273.369582] invalid opcode: 0000 [#1] SMP > [ 7273.369590] last sysfs file: > /sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/ieee80211/phy0/rfkill0/state > [ 7273.369598] Modules linked in: nls_cp437 cifs vga16fb vgastate > isofs udf crc_itu_t usbhid i915 binfmt_misc drm_kms_helper drm > i2c_algo_bit ppdev bridge stp bnep kvm_intel kvm xfs exportfs lp > parport snd_hda_codec_conexant arc4 snd_hda_intel snd_hda_codec iwlagn > snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy pcmcia iwlcore > snd_seq_oss snd_seq_midi video thinkpad_acpi mac80211 snd_rawmidi > tpm_tis yenta_socket pcmcia_rsrc pcmcia_core tpm tpm_bios nvram > psmouse snd_seq_midi_event intel_agp intel_gtt output serio_raw > snd_seq snd_timer snd_seq_device cfg80211 agpgart iTCO_wdt > iTCO_vendor_support snd pcspkr soundcore snd_page_alloc reiserfs > e1000e > [ 7273.369732] > [ 7273.369740] Pid: 12963, comm: unzip Not tainted 2.6.37+ #4 7440A82/7440A82 > [ 7273.369748] EIP: 0060:[<c021e902>] EFLAGS: 00210286 CPU: 1 > [ 7273.369763] EIP is at d_set_d_op+0x52/0x60 > [ 7273.369769] EAX: f4ada400 EBX: 00000000 ECX: fcdfc5c0 EDX: fcdfc5c0 > [ 7273.369775] ESI: cff344ac EDI: f2263a00 EBP: f10c7dbc ESP: f10c7dbc > [ 7273.369782] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > [ 7273.369790] Process unzip (pid: 12963, ti=f10c6000 task=ce833f20 > task.ti=f10c6000) > [ 7273.369795] Stack: > [ 7273.369799] f10c7e64 fcde60ed f4540a00 00000109 f10c7e56 f10c7e56 > f10c7e50 f22a9380 > [ 7273.369816] fce2ffe0 00000000 f10c7e56 000081a4 f4ada400 e4f1a62c > 00000109 c0000000 > [ 7273.369833] f4540e00 f21ca000 f2263a00 f450a480 f22a9380 00000005 > 00000080 e4f1a62c > [ 7273.369849] Call Trace: > [ 7273.369870] [<fcde60ed>] cifs_create+0x59d/0x800 [cifs] > [ 7273.369882] [<c0216165>] ? generic_permission+0x25/0xc0 > [ 7273.369895] [<fcdd41b0>] ? cifs_permission+0x0/0x70 [cifs] > [ 7273.369907] [<fcdd41f6>] ? cifs_permission+0x46/0x70 [cifs] > [ 7273.369919] [<c0301940>] ? security_inode_permission+0x20/0x30 > [ 7273.369929] [<c0217202>] vfs_create+0x92/0xb0 > [ 7273.369937] [<c0218710>] do_last+0x240/0x2c0 > [ 7273.369946] [<c021a7a6>] do_filp_open+0x366/0x670 > [ 7273.369959] [<c020b14d>] do_sys_open+0x6d/0x110 > [ 7273.369968] [<c020b25e>] sys_open+0x2e/0x40 > [ 7273.369976] [<c010301c>] sysenter_do_call+0x12/0x28 > [ 7273.369981] Code: 10 00 00 8b 4a 08 85 c9 74 06 81 08 00 20 00 00 > 8b 0a 85 c9 74 06 81 08 00 40 00 00 8b 52 0c 85 d2 74 06 81 08 00 80 > 00 00 5d c3 <0f> 0b eb fe 66 90 0f 0b eb fe 8d 74 26 00 55 89 e5 53 3e > 8d 74 > [ 7273.370075] EIP: [<c021e902>] d_set_d_op+0x52/0x60 SS:ESP 0068:f10c7dbc > > Further info is in the bugzilla site. > > Thanks. > > -- -- Suresh Jayaraman ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <4D37BDE4.1000104-l3A5Bk7waGM@public.gmane.org>]
* Re: CIFS related seg fault (v2.6.37) [not found] ` <4D37BDE4.1000104-l3A5Bk7waGM@public.gmane.org> @ 2011-01-20 4:55 ` Steve French [not found] ` <AANLkTin7jRk6S2XWcRineCtazQb3rgYsBPakV513Ph9n-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 0 siblings, 1 reply; 5+ messages in thread From: Steve French @ 2011-01-20 4:55 UTC (permalink / raw) To: Suresh Jayaraman Cc: Peter Teoh, LKML, linux-cifs-u79uwXL29TY76Z2rM5mHXA, Jeff Layton On Wed, Jan 19, 2011 at 10:45 PM, Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org> wrote: > (Cc linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org) > > On 01/20/2011 07:05 AM, Peter Teoh wrote: >> Filed a bug today: >> >> https://bugzilla.kernel.org/show_bug.cgi?id=27082 >> >> Version of kernel (linus git tree synced): v2.6.37-3737-g0c21e3a >> >> Output of dmesg summarized here: >> >> [ 7273.369563] ------------[ cut here ]------------ >> [ 7273.369575] kernel BUG at fs/dcache.c:1358! > > Looks like the issue is already fixed in VFS (see discussion): > http://thread.gmane.org/gmane.linux.kernel.cifs/2284 > > Jeff: Looks like the issue is reproducible with 2.6.37 too.. Any idea > which is the commit that fixes this problem and whether it has been > marked for -stable? So Jeff's change referenced (to fs/cifs/dir.c) above is not needed due to a vfs change? -- Thanks, Steve ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <AANLkTin7jRk6S2XWcRineCtazQb3rgYsBPakV513Ph9n-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>]
* Re: CIFS related seg fault (v2.6.37) [not found] ` <AANLkTin7jRk6S2XWcRineCtazQb3rgYsBPakV513Ph9n-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> @ 2011-01-20 4:56 ` Suresh Jayaraman 2011-01-20 5:01 ` Suresh Jayaraman 1 sibling, 0 replies; 5+ messages in thread From: Suresh Jayaraman @ 2011-01-20 4:56 UTC (permalink / raw) To: Steve French Cc: Peter Teoh, LKML, linux-cifs-u79uwXL29TY76Z2rM5mHXA, Jeff Layton On 01/20/2011 10:25 AM, Steve French wrote: > On Wed, Jan 19, 2011 at 10:45 PM, Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org> wrote: >> (Cc linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org) >> >> On 01/20/2011 07:05 AM, Peter Teoh wrote: >>> Filed a bug today: >>> >>> https://bugzilla.kernel.org/show_bug.cgi?id=27082 >>> >>> Version of kernel (linus git tree synced): v2.6.37-3737-g0c21e3a >>> >>> Output of dmesg summarized here: >>> >>> [ 7273.369563] ------------[ cut here ]------------ >>> [ 7273.369575] kernel BUG at fs/dcache.c:1358! >> >> Looks like the issue is already fixed in VFS (see discussion): >> http://thread.gmane.org/gmane.linux.kernel.cifs/2284 >> >> Jeff: Looks like the issue is reproducible with 2.6.37 too.. Any idea >> which is the commit that fixes this problem and whether it has been >> marked for -stable? > > So Jeff's change referenced (to fs/cifs/dir.c) above is not needed due > to a vfs change? > Yes. He asked to ignore his patch here: http://thread.gmane.org/gmane.linux.kernel.cifs/2284 -- Suresh Jayaraman ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: CIFS related seg fault (v2.6.37) [not found] ` <AANLkTin7jRk6S2XWcRineCtazQb3rgYsBPakV513Ph9n-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2011-01-20 4:56 ` Suresh Jayaraman @ 2011-01-20 5:01 ` Suresh Jayaraman 2011-01-20 5:18 ` Al Viro 1 sibling, 1 reply; 5+ messages in thread From: Suresh Jayaraman @ 2011-01-20 5:01 UTC (permalink / raw) To: Steve French Cc: Peter Teoh, LKML, linux-cifs-u79uwXL29TY76Z2rM5mHXA, Jeff Layton On 01/20/2011 10:25 AM, Steve French wrote: > On Wed, Jan 19, 2011 at 10:45 PM, Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org> wrote: >> (Cc linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org) >> >> On 01/20/2011 07:05 AM, Peter Teoh wrote: >>> Filed a bug today: >>> >>> https://bugzilla.kernel.org/show_bug.cgi?id=27082 >>> >>> Version of kernel (linus git tree synced): v2.6.37-3737-g0c21e3a >>> >>> Output of dmesg summarized here: >>> >>> [ 7273.369563] ------------[ cut here ]------------ >>> [ 7273.369575] kernel BUG at fs/dcache.c:1358! >> >> Looks like the issue is already fixed in VFS (see discussion): >> http://thread.gmane.org/gmane.linux.kernel.cifs/2284 >> >> Jeff: Looks like the issue is reproducible with 2.6.37 too.. Any idea >> which is the commit that fixes this problem and whether it has been >> marked for -stable? > > So Jeff's change referenced (to fs/cifs/dir.c) above is not needed due > to a vfs change? > Sorry it was not a VFS fix but a fix from Al Viro that fixed this problem. IIUC, the commit has made it to cifs-2.6.git but not upstream. commit 1c929cfe6d8f2087a337a868fbf6c38d56bb4889 Author: Al Viro <viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org> Date: Sat Dec 18 11:43:51 2010 -0500 switch cifs -- Suresh Jayaraman ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: CIFS related seg fault (v2.6.37) 2011-01-20 5:01 ` Suresh Jayaraman @ 2011-01-20 5:18 ` Al Viro 0 siblings, 0 replies; 5+ messages in thread From: Al Viro @ 2011-01-20 5:18 UTC (permalink / raw) To: Suresh Jayaraman; +Cc: Steve French, Peter Teoh, LKML, linux-cifs, Jeff Layton On Thu, Jan 20, 2011 at 10:31:34AM +0530, Suresh Jayaraman wrote: > Sorry it was not a VFS fix but a fix from Al Viro that fixed this > problem. IIUC, the commit has made it to cifs-2.6.git but not upstream. > > commit 1c929cfe6d8f2087a337a868fbf6c38d56bb4889 > Author: Al Viro <viro@zeniv.linux.org.uk> > Date: Sat Dec 18 11:43:51 2010 -0500 > > switch cifs It is in the mainline. And there's no way anybody could've seen such trace on .37 or earlier, since d_set_d_op() didn't exist before that. ^ permalink raw reply [flat|nested] 5+ messages in thread
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2011-01-20 4:45 ` CIFS related seg fault (v2.6.37) Suresh Jayaraman
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2011-01-20 4:55 ` Steve French
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2011-01-20 4:56 ` Suresh Jayaraman
2011-01-20 5:01 ` Suresh Jayaraman
2011-01-20 5:18 ` Al Viro
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