Date: Wed, 18 Jul 2012 13:57:40 +0400 From: Ruslan Mahmatkhanov <cvs-src@yandex.ru> To: Ivan Klymenko <fidaj@ukr.net> Cc: Adrian Chadd <adrian@freebsd.org>, current@FreeBSD.org Subject: Re: system hangs on shutdown while on wireless (ath) (Was: drm2 and the kernel messages on shutdown) Message-ID: <50068894.5030707@yandex.ru> In-Reply-To: <4FDEF097.50409@yandex.ru> References: <4FDEE855.2040602@yandex.ru> <20120618120248.6212e15f@nonamehost> <4FDEF097.50409@yandex.ru>
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Ruslan Mahmatkhanov wrote on 18.06.2012 13:10: > Ivan Klymenko wrote on 18.06.2012 13:02: >> В Mon, 18 Jun 2012 12:35:33 +0400 >> Ruslan Mahmatkhanov <cvs-src@yandex.ru> пишет: >> >>> Good day, >>> >>> since switching to new drm code (starting at April if I recall >>> correctly) I'm experiencing sporadic laptop hangs when choose the >>> shutdown command in UI (gnome) environment. The hdd led isn't >>> blinking but the laptop is still up. In such cases I forced to >>> shutdown it by pressing power off button, but at the next system >>> start it running filesystem checks (yes, with journal but some time >>> only full fsck is able to fix that). What I'm asking for is - when >>> there some sysctl or boot loader option will be available to turn on >>> kernel messages on shutdown? I really want to know on what it hanging >>> on. I didn't bothered with this while it was available as third-party >>> patch, but since it is now in -current and enabled by default, I >>> think this feature should be available. Thanks. >>> >>> PS. I'm now subscribed to current@. So do not need to approve my >>> previous message, that's waiting for moderator approval. >>> >> >> Dear Ruslan. >> Your problems hang your laptop is not associated with the transition to >> drm2. >> And you can see this - when the downgrade to the SVN revision r236313 >> >> Your problems are now committing to this >> http://svnweb.freebsd.org/base?view=revision&revision=236317 >> >> You can check it and make sure my right. >> >> Good luck > > Thanks Ivan, I'll check it out. But the request in subject line is > still valid for me, because the current state make me feels like.. > uhmm.. a blind kitten :) Hi, I still didn't tried to revert this change to check if it the reason. But I realized that I only got this issue when I'm on wireless. And I can 100% reproduce this. When using ethernet (re) - system shuts down just fine. When using wireless (ath) - it hanging forever. So it seems like ath deadlock or something (cc:ing Adrian). Would you please provide me with instructions on how to debug this, or what info should I provide to you to realize this. Thanks. ath0@pci0:37:0:0: class=0x028000 card=0x1461103c chip=0x002b168c rev=0x01 hdr=0x00 vendor = 'Atheros Communications Inc.' device = 'AR9285 Wireless Network Adapter (PCI-Express)' class = network My -current is from Sat Jul 14 12:15:20 2012 (svn #238449). -- Regards, Ruslan Tinderboxing kills... the drives.
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