* Re: [Bugme-new] [Bug 24472] New: Kernel panic - not syncing: Fatal Exception [not found] <bug-24472-10286@https.bugzilla.kernel.org/> @ 2010-12-08 20:22 ` Andrew Morton 2010-12-08 20:30 ` Paweł Staszewski 0 siblings, 1 reply; 6+ messages in thread From: Andrew Morton @ 2010-12-08 20:22 UTC (permalink / raw) To: netdev, Paul Mackerras; +Cc: bugzilla-daemon, bugme-daemon, pstaszewski (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Wed, 8 Dec 2010 20:14:45 GMT bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=24472 > > Summary: Kernel panic - not syncing: Fatal Exception > Product: Drivers > Version: 2.5 > Kernel Version: 2.6.36.1 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Network > AssignedTo: drivers_network@kernel-bugs.osdl.org > ReportedBy: pstaszewski@artcom.pl > Regression: No > > > Created an attachment (id=39332) > --> (https://bugzilla.kernel.org/attachment.cgi?id=39332) > Kernel Panic > > Hello i have problems with ppp driver and pppoe > I have random kernel panics > > In attached image is Call Trace from panic. > > ppp_unregister_channel() appears to be using a bad pointer. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Bugme-new] [Bug 24472] New: Kernel panic - not syncing: Fatal Exception 2010-12-08 20:22 ` [Bugme-new] [Bug 24472] New: Kernel panic - not syncing: Fatal Exception Andrew Morton @ 2010-12-08 20:30 ` Paweł Staszewski 2010-12-08 22:01 ` Jarek Poplawski 0 siblings, 1 reply; 6+ messages in thread From: Paweł Staszewski @ 2010-12-08 20:30 UTC (permalink / raw) To: Andrew Morton Cc: netdev, Paul Mackerras, bugzilla-daemon, bugme-daemon, pstaszewski W dniu 2010-12-08 21:22, Andrew Morton pisze: > (switched to email. Please respond via emailed reply-to-all, not via the > bugzilla web interface). > > On Wed, 8 Dec 2010 20:14:45 GMT > bugzilla-daemon@bugzilla.kernel.org wrote: > >> https://bugzilla.kernel.org/show_bug.cgi?id=24472 >> >> Summary: Kernel panic - not syncing: Fatal Exception >> Product: Drivers >> Version: 2.5 >> Kernel Version: 2.6.36.1 >> Platform: All >> OS/Version: Linux >> Tree: Mainline >> Status: NEW >> Severity: normal >> Priority: P1 >> Component: Network >> AssignedTo: drivers_network@kernel-bugs.osdl.org >> ReportedBy: pstaszewski@artcom.pl >> Regression: No >> >> >> Created an attachment (id=39332) >> --> (https://bugzilla.kernel.org/attachment.cgi?id=39332) >> Kernel Panic >> >> Hello i have problems with ppp driver and pppoe >> I have random kernel panics >> >> In attached image is Call Trace from panic. >> >> > ppp_unregister_channel() appears to be using a bad pointer. > -- Yes. I see kernel panics when connection is terminated - but this happend randomly Sometimes to reproduce i need to connect->disconnect 50 - 60 times before kernel panic. > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Bugme-new] [Bug 24472] New: Kernel panic - not syncing: Fatal Exception 2010-12-08 20:30 ` Paweł Staszewski @ 2010-12-08 22:01 ` Jarek Poplawski 2010-12-09 12:40 ` Paweł Staszewski 0 siblings, 1 reply; 6+ messages in thread From: Jarek Poplawski @ 2010-12-08 22:01 UTC (permalink / raw) To: Paweł Staszewski Cc: Andrew Morton, netdev, Paul Mackerras, bugzilla-daemon, bugme-daemon, pstaszewski Paweł Staszewski wrote: > W dniu 2010-12-08 21:22, Andrew Morton pisze: >> (switched to email. Please respond via emailed reply-to-all, not via the >> bugzilla web interface). >> >> On Wed, 8 Dec 2010 20:14:45 GMT >> bugzilla-daemon@bugzilla.kernel.org wrote: >> >>> https://bugzilla.kernel.org/show_bug.cgi?id=24472 >>> >>> Summary: Kernel panic - not syncing: Fatal Exception >>> Product: Drivers >>> Version: 2.5 >>> Kernel Version: 2.6.36.1 Hi, Could you try to revert this patch?: http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.36.y.git;a=commitdiff;h=55c95e738da85373965cb03b4f975d0fd559865b Jarek P. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Bugme-new] [Bug 24472] New: Kernel panic - not syncing: Fatal Exception 2010-12-08 22:01 ` Jarek Poplawski @ 2010-12-09 12:40 ` Paweł Staszewski 2010-12-09 17:55 ` Jarek Poplawski 0 siblings, 1 reply; 6+ messages in thread From: Paweł Staszewski @ 2010-12-09 12:40 UTC (permalink / raw) To: Jarek Poplawski Cc: Andrew Morton, netdev, Paul Mackerras, bugzilla-daemon, bugme-daemon, pstaszewski W dniu 2010-12-08 23:01, Jarek Poplawski pisze: > Paweł Staszewski wrote: >> W dniu 2010-12-08 21:22, Andrew Morton pisze: >>> (switched to email. Please respond via emailed reply-to-all, not via the >>> bugzilla web interface). >>> >>> On Wed, 8 Dec 2010 20:14:45 GMT >>> bugzilla-daemon@bugzilla.kernel.org wrote: >>> >>>> https://bugzilla.kernel.org/show_bug.cgi?id=24472 >>>> >>>> Summary: Kernel panic - not syncing: Fatal Exception >>>> Product: Drivers >>>> Version: 2.5 >>>> Kernel Version: 2.6.36.1 > Hi, > Could you try to revert this patch?: > http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.36.y.git;a=commitdiff;h=55c95e738da85373965cb03b4f975d0fd559865b > After reverting this patch all is working 200 connects-disconnects and no kernel panic I will make more session and test more. Thanks Pawel > Jarek P. > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Bugme-new] [Bug 24472] New: Kernel panic - not syncing: Fatal Exception 2010-12-09 12:40 ` Paweł Staszewski @ 2010-12-09 17:55 ` Jarek Poplawski 2010-12-09 19:59 ` Paweł Staszewski 0 siblings, 1 reply; 6+ messages in thread From: Jarek Poplawski @ 2010-12-09 17:55 UTC (permalink / raw) To: Paweł Staszewski Cc: Andrew Morton, netdev, Paul Mackerras, bugzilla-daemon, bugme-daemon, pstaszewski, Andrej Ota, Eric Dumazet Paweł Staszewski wrote: > W dniu 2010-12-08 23:01, Jarek Poplawski pisze: >> Paweł Staszewski wrote: >>> W dniu 2010-12-08 21:22, Andrew Morton pisze: >>>> (switched to email. Please respond via emailed reply-to-all, not >>>> via the >>>> bugzilla web interface). >>>> >>>> On Wed, 8 Dec 2010 20:14:45 GMT >>>> bugzilla-daemon@bugzilla.kernel.org wrote: >>>> >>>>> https://bugzilla.kernel.org/show_bug.cgi?id=24472 >>>>> >>>>> Summary: Kernel panic - not syncing: Fatal Exception >>>>> Product: Drivers >>>>> Version: 2.5 >>>>> Kernel Version: 2.6.36.1 >> Hi, >> Could you try to revert this patch?: >> http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.36.y.git;a=commitdiff;h=55c95e738da85373965cb03b4f975d0fd559865b >> >> > After reverting this patch all is working > 200 connects-disconnects and no kernel panic > > I will make more session and test more. OK. I CC Andrej and Eric, who diagnosed it in this thread: http://lkml.org/lkml/2010/12/3/116 [unable to handle kernel NULL pointer dereference in skb_dequeue] This should be also interesting: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=db7bf6d97c6956b7eb0f22131cb5c37bd41f33c0 Thanks for testing, Jarek P. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Bugme-new] [Bug 24472] New: Kernel panic - not syncing: Fatal Exception 2010-12-09 17:55 ` Jarek Poplawski @ 2010-12-09 19:59 ` Paweł Staszewski 0 siblings, 0 replies; 6+ messages in thread From: Paweł Staszewski @ 2010-12-09 19:59 UTC (permalink / raw) To: Jarek Poplawski Cc: Andrew Morton, netdev, Paul Mackerras, bugzilla-daemon, bugme-daemon, pstaszewski, Andrej Ota, Eric Dumazet W dniu 2010-12-09 18:55, Jarek Poplawski pisze: > Paweł Staszewski wrote: >> W dniu 2010-12-08 23:01, Jarek Poplawski pisze: >>> Paweł Staszewski wrote: >>>> W dniu 2010-12-08 21:22, Andrew Morton pisze: >>>>> (switched to email. Please respond via emailed reply-to-all, not >>>>> via the >>>>> bugzilla web interface). >>>>> >>>>> On Wed, 8 Dec 2010 20:14:45 GMT >>>>> bugzilla-daemon@bugzilla.kernel.org wrote: >>>>> >>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=24472 >>>>>> >>>>>> Summary: Kernel panic - not syncing: Fatal Exception >>>>>> Product: Drivers >>>>>> Version: 2.5 >>>>>> Kernel Version: 2.6.36.1 >>> Hi, >>> Could you try to revert this patch?: >>> http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.36.y.git;a=commitdiff;h=55c95e738da85373965cb03b4f975d0fd559865b >>> >>> >> After reverting this patch all is working >> 200 connects-disconnects and no kernel panic >> >> I will make more session and test more. > OK. I CC Andrej and Eric, who diagnosed it in this thread: > http://lkml.org/lkml/2010/12/3/116 > [unable to handle kernel NULL pointer dereference in skb_dequeue] > > This should be also interesting: > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=db7bf6d97c6956b7eb0f22131cb5c37bd41f33c0 > > Thanks for testing, > Jarek P. > > After 10 hours of testing all is working. I can't reproduce kernel panic now with houndreds of pppoe sessions that connects-disconnects. Thanks Paweł ^ permalink raw reply [flat|nested] 6+ messages in thread
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[not found] <bug-24472-10286@https.bugzilla.kernel.org/>
2010-12-08 20:22 ` [Bugme-new] [Bug 24472] New: Kernel panic - not syncing: Fatal Exception Andrew Morton
2010-12-08 20:30 ` Paweł Staszewski
2010-12-08 22:01 ` Jarek Poplawski
2010-12-09 12:40 ` Paweł Staszewski
2010-12-09 17:55 ` Jarek Poplawski
2010-12-09 19:59 ` Paweł Staszewski
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