* rpc_pipefs kernel panic kernel 3.4.3 [not found] <F77FADB4-0415-4945-AC03-CEE36F2FEB08@upmc.fr> @ 2012-06-22 20:53 ` Bernard Pidoux 2012-06-22 22:55 ` Bernard Pidoux 0 siblings, 1 reply; 6+ messages in thread From: Bernard Pidoux @ 2012-06-22 20:53 UTC (permalink / raw) To: linux-kernel@vger.kernel.org, Bernard Pidoux Hi, With kernel 3.4.3 I observe a panic with mount when system boots BUG : unable to handle kernel NULL pointer dereference at (null) IP : [ ...] rpc_pipefs_event+0xbe/0x220 [nfs] ....... Pid: 2056, com: Mount not taintened 3.4.3 #1 MICRO STAR INTERNATIONAL CO., LTD MS-7258/ MS-7258 ....... ....... ....... Kernel panic - Not sycing;: Fatal exception Here is the screen dump : http://dl.dropbox.com/u/42969804/rpc_pipefs_kernel_panic.JPG I hope it can help, Bernard Pidoux ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: rpc_pipefs kernel panic kernel 3.4.3 2012-06-22 20:53 ` rpc_pipefs kernel panic kernel 3.4.3 Bernard Pidoux @ 2012-06-22 22:55 ` Bernard Pidoux 2012-06-23 6:13 ` Francois Romieu 0 siblings, 1 reply; 6+ messages in thread From: Bernard Pidoux @ 2012-06-22 22:55 UTC (permalink / raw) To: linux-kernel@vger.kernel.org, Bernard Pidoux Same observation with kernel 3.4.4 : kernel panic when booting at the same place. Kernel 3.3.7 is ok and I will check 3.3.8. Bernard Pidoux On 22/06/2012 22:53, Bernard Pidoux wrote: > Hi, > > With kernel 3.4.3 I observe a panic with mount when system boots > > BUG : unable to handle kernel NULL pointer dereference at (null) > IP : [ ...] rpc_pipefs_event+0xbe/0x220 [nfs] > ....... > Pid: 2056, com: Mount not taintened 3.4.3 #1 MICRO STAR INTERNATIONAL > CO., LTD MS-7258/ MS-7258 > ....... > ....... > ....... > Kernel panic - Not sycing;: Fatal exception > > Here is the screen dump : > > http://dl.dropbox.com/u/42969804/rpc_pipefs_kernel_panic.JPG > > I hope it can help, > > Bernard Pidoux > > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: rpc_pipefs kernel panic kernel 3.4.3 2012-06-22 22:55 ` Bernard Pidoux @ 2012-06-23 6:13 ` Francois Romieu 2012-06-23 11:18 ` Bernard Pidoux 2012-06-23 16:34 ` Myklebust, Trond 0 siblings, 2 replies; 6+ messages in thread From: Francois Romieu @ 2012-06-23 6:13 UTC (permalink / raw) To: Trond Myklebust; +Cc: Bernard Pidoux, Stanislav Kinsbursky, linux-nfs (redirected from l-k, see http://marc.info/?l=linux-kernel&m=134040598419594&w=2) Bernard Pidoux <bernard.pidoux@free.fr> : [rpc_pipefs_event panic with 3.4.4 at boot mount, 3.3.8 is fine] Should Bernard try a git bisect ? -- Ueimor ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: rpc_pipefs kernel panic kernel 3.4.3 2012-06-23 6:13 ` Francois Romieu @ 2012-06-23 11:18 ` Bernard Pidoux 2012-06-23 16:34 ` Myklebust, Trond 1 sibling, 0 replies; 6+ messages in thread From: Bernard Pidoux @ 2012-06-23 11:18 UTC (permalink / raw) To: Francois Romieu Cc: Trond Myklebust, Stanislav Kinsbursky, linux-nfs, linux-kernel@vger.kernel.org I confirm that 3.3.8 is fine. NULL pointer seems to have been introduced in 3.4 rpc_pipefs if I am right. Bernard ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: rpc_pipefs kernel panic kernel 3.4.3 2012-06-23 6:13 ` Francois Romieu 2012-06-23 11:18 ` Bernard Pidoux @ 2012-06-23 16:34 ` Myklebust, Trond 2012-06-23 17:38 ` Bernard Pidoux 1 sibling, 1 reply; 6+ messages in thread From: Myklebust, Trond @ 2012-06-23 16:34 UTC (permalink / raw) To: Francois Romieu Cc: Bernard Pidoux, Stanislav Kinsbursky, linux-nfs@vger.kernel.org T24gU2F0LCAyMDEyLTA2LTIzIGF0IDA4OjEzICswMjAwLCBGcmFuY29pcyBSb21pZXUgd3JvdGU6 DQo+IChyZWRpcmVjdGVkIGZyb20gbC1rLCBzZWUgaHR0cDovL21hcmMuaW5mby8/bD1saW51eC1r ZXJuZWwmbT0xMzQwNDA1OTg0MTk1OTQmdz0yKQ0KPiANCj4gQmVybmFyZCBQaWRvdXggPGJlcm5h cmQucGlkb3V4QGZyZWUuZnI+IDoNCj4gW3JwY19waXBlZnNfZXZlbnQgcGFuaWMgd2l0aCAzLjQu NCBhdCBib290IG1vdW50LCAzLjMuOCBpcyBmaW5lXQ0KPiANCj4gU2hvdWxkIEJlcm5hcmQgdHJ5 IGEgZ2l0IGJpc2VjdCA/DQo+IA0KDQpDYW4geW91IHBsZWFzZSBzZWUgaWYgY29tbWl0IDQ2OTdi ZDVlOTQxOTM0OGVmOWZhOWI1NWNlZmU0MzU1YWQ5ZDNkMDENCihORlN2NDogRml4IGEgcmFjZSBp biB0aGUgbmV0IG5hbWVzcGFjZSBtb3VudCBub3RpZmljYXRpb24pIGZpeGVzIHRoZQ0KaXNzdWUg Zm9yIHlvdT8NCg0KQ2hlZXJzDQogIFRyb25kDQoNCi0tIA0KVHJvbmQgTXlrbGVidXN0DQpMaW51 eCBORlMgY2xpZW50IG1haW50YWluZXINCg0KTmV0QXBwDQpUcm9uZC5NeWtsZWJ1c3RAbmV0YXBw LmNvbQ0Kd3d3Lm5ldGFwcC5jb20NCg0K ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: rpc_pipefs kernel panic kernel 3.4.3 2012-06-23 16:34 ` Myklebust, Trond @ 2012-06-23 17:38 ` Bernard Pidoux 0 siblings, 0 replies; 6+ messages in thread From: Bernard Pidoux @ 2012-06-23 17:38 UTC (permalink / raw) To: Myklebust, Trond Cc: Francois Romieu, Stanislav Kinsbursky, linux-nfs@vger.kernel.org Congratulation Trond ! Your patch did cure the kernel panic issue. Many thanks. Bernard On 23/06/2012 18:34, Myklebust, Trond wrote: > On Sat, 2012-06-23 at 08:13 +0200, Francois Romieu wrote: >> (redirected from l-k, see http://marc.info/?l=linux-kernel&m=134040598419594&w=2) >> >> Bernard Pidoux <bernard.pidoux@free.fr> : >> [rpc_pipefs_event panic with 3.4.4 at boot mount, 3.3.8 is fine] >> >> Should Bernard try a git bisect ? >> > > Can you please see if commit 4697bd5e9419348ef9fa9b55cefe4355ad9d3d01 > (NFSv4: Fix a race in the net namespace mount notification) fixes the > issue for you? > > Cheers > Trond > ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2012-06-23 17:38 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
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[not found] <F77FADB4-0415-4945-AC03-CEE36F2FEB08@upmc.fr>
2012-06-22 20:53 ` rpc_pipefs kernel panic kernel 3.4.3 Bernard Pidoux
2012-06-22 22:55 ` Bernard Pidoux
2012-06-23 6:13 ` Francois Romieu
2012-06-23 11:18 ` Bernard Pidoux
2012-06-23 16:34 ` Myklebust, Trond
2012-06-23 17:38 ` Bernard Pidoux
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