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Date: Thu, 5 Oct 2006 23:37:17 +0100 From: Alistair John Strachan <s0348365@....ed.ac.uk> To: Stefan Richter <stefanr@...6.in-berlin.de> Cc: Linus Torvalds <torvalds@...l.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, bcollins@...ian.org, linux1394-devel@...ts.sourceforge.net Subject: Re: ohci1394 regression in 2.6.19-rc1 (was Re: Merge window closed: v2.6.19-rc1) On Thursday 05 October 2006 23:16, Stefan Richter wrote: [snip] > It does indeed look like the nodemgr kicked in prematurely. After some > other messages from lower levels and from different contexts, there is > also a sign of nodemgr_check_irm_capability() failing (it can only fail > this early): > > [ 40.298112] ieee1394: Current remote IRM is not 1394a-2000 compliant, > resetting... > > OK. Enough with the boring details. Maybe the following patch doesn't > work entirely as I intended: > "ieee1394: nodemgr: switch to kthread api, replace reset semaphore" > http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=comm >itdiff_plain;h=d2f119fe319528da8c76a1107459d6f478cbf28c > > I think if you revert the next patch first... > "ieee1394: nodemgr: convert nodemgr_serialize semaphore to mutex" > http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=comm >itdiff_plain;h=cab8d154e2ed43fe1495aa0e18103e747552891b > > ...you can then revert the 'switch to kthread' patch and see if the > message "Running dma failed because Node ID is not valid" disappears. > Would be nice if you could test that. Of course. I tried reverting these two, and it has not helped. -rw-r--r-- 1 root root 562133 2006-10-05 23:29 kernel/drivers/ieee1394/ieee1394.ko (KBUILD only regenerated this file, I hope that's correct.) http://devzero.co.uk/~alistair/ieee1394/dmesg-2.6.19-rc1-reverts.gz -- Cheers, Alistair. Final year Computer Science undergraduate. 1F2 55 South Clerk Street, Edinburgh, UK. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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