[Bug 852656] New: mei_me 0000:00:03.0: unexpected reset
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Summary: mei_me 0000:00:03.0: unexpected reset
Classification: openSUSE
Product: openSUSE 13.1
Version: Final
Platform: Other
OS/Version: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Kernel
AssignedTo: kernel-maintainers@forge.provo.novell.com
ReportedBy: ke@suse.com
QAContact: qa-bugs@suse.de
CC: tiwai@suse.com
Found By: Documentation
Blocker: ---
From: Takashi Iwai
ATM, the kernel spams /var/log/messages with
mei_me 0000:00:03.0: unexpected reset: dev_state = RESETTING mei_me 0000:00:03.0: reset: connect/disconnect timeout.
Every 5 seconds. I'm running kernel-desktop-3.11.6-4.1.x86_64.
mei_me seems annoying people on some machines. I wanted to suggest to blacklist the module, but it's built in on 13.1 kernel. Ouch. Try instead the below: echo 0000:00:03.0 > /sys/bus/pci/drivers/mei_me/unbind then the driver will be unloaded. You can put it in somewhere in a boot script like /etc/init.d/rc.local as a quick workaround. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #1 from Takashi Iwai
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--- Comment #2 from Karl Eichwalder
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--- Comment #3 from Karl Eichwalder
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Ludwig Nussel
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--- Comment #5 from Karl Eichwalder
Could you give hwinfo output and the whole output of dmesg?
Also, it'd be interesting to know whether 3.12 shows the same problem. 3.12 kernel package is already found in FACTORY.
The same problem with the 3.12 factory kernel. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Takashi Iwai
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--- Comment #7 from Ludwig Nussel
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Takashi Iwai
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Takashi Iwai
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Lucas Levrel
Could anyone test a patched 13.1 kernel in mbuild (alsa1-tiwai-2 for kernel-default and alsa1-tiwai-3 for kernel-desktop)? It's a kernel including more debug prints and stack traces and with a possible fix of endless loop.
Note that this is just a test kernel for debugging, so keep other good bootable kernels, install this only as an addition. It'd show at lest one stack trace. The interesting point is "unexpected reset: dev_state = MEI_DEV_RESETTING"
I'm also hit by this bug; the exact message I get is "unexpected reset: dev_state = RESETTING". I'm willing to test this kernel, but can you tell me more precisely where I'll find it? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Jean Delvare
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--- Comment #13 from Takashi Iwai
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--- Comment #14 from Takashi Iwai
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--- Comment #15 from Takashi Iwai
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Takashi Iwai
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Lucas Levrel
The kernel packages in OBS Kernel:openSUSE-13.1 have already mei as modules. So, at first, install this, and confirm that the problem persists.
Confirmed.
Then, try to install mei-kmp package (either -default or -desktop) attached below. These contain backports up to 3.13-rc2.
Done. The updated modules aren't automatically loaded since the kernel version number doesn't match (was it the meaning of your last sentence? I don't quite understand it). Thus I did: rmmod mei rmmod mei_me insmod /lib/modules/3.11.10-2.g589d077-desktop/updates/drivers/misc/mei/mei.ko insmod /lib/modules/3.11.10-2.g589d077-desktop/updates/drivers/misc/mei/mei-me.ko dmesg reads: [ 253.828210] mei_me 0000:00:03.0: reset: connect/disconnect timeout. [ 253.828229] mei_me 0000:00:03.0: unexpected reset: dev_state = RESETTING [ 254.956555] mei_me 0000:00:03.0: stop [ 283.362412] mei_me 0000:00:03.0: setting latency timer to 64 [ 283.362472] mei_me 0000:00:03.0: irq 45 for MSI/MSI-X [ 288.372151] mei_me 0000:00:03.0: reset: connect/disconnect timeout. [ 288.372164] mei_me 0000:00:03.0: unexpected reset: dev_state = ENABLED Looks to me like the problem is solved. If I'm correct, what should I do now? Just wait for your patch to make its way to the official Update repo? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Takashi Iwai
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--- Comment #20 from Takashi Iwai
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Lucas Levrel
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Lucas Levrel
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--- Comment #25 from Takashi Iwai
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Takashi Iwai
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Lucas Levrel
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Swamp Workflow Management
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Marc Ruehrschneck
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Keve Gabbert
From Tomas Winkler: I think these 4 need to be back ported to fix the endless reset issue on clients: dc844b0d99b8533d6174e5b9a369f7c2cdacfe66 544f94601409653f07ae6e22d4a39e3a90dceead 6adb8efb024a7e413b93b22848fc13395b1a438a 33ec0826314734fc4f3c9bf37d12e98063339b31
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