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Message-ID: <45450CA1.3000008@s5r6.in-berlin.de> Date: Sun, 29 Oct 2006 21:18:41 +0100 From: Stefan Richter <stefanr@...6.in-berlin.de> To: linux1394-devel@...ts.sourceforge.net CC: Ben Collins <bcollins@...ntu.com>, Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org, Dave Jones <davej@...hat.com> Subject: Re: [rfc patch] ieee1394: nodemgr: revise semaphore protection of driver core data I wrote on 2006-10-22: [I wrote on 2006-10-22: || This may or may not be related to || https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=188140 || (System freezes while hald is accessing FireWire sysfs data.) ] No, it's certainly unrelated. In the meantime the problem was also encountered if the same device was connected via USB. > # modprobe -r ohci1394 > Segmentation fault ... > Oct 22 17:24:08 shuttle kernel: BUG: unable to handle kernel NULL pointer dereference at virtual address 0000002c ... > Oct 22 17:24:08 shuttle kernel: EIP is at klist_del+0x14/0x50 ... Since then the oops did never happen under 2.6.18.1 plus this patch and other ieee1394 updates. I.e. that one was certainly a problem in 2.6.19-rc2. I will continue testing on 2.6.19-rcX. -- Stefan Richter -=====-=-==- =-=- ===-= http://arcgraph.de/sr/ - 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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