Monday 10 February 2014 00.22.05, Paul wrote: > Running Debian Wheezy, by installing the package "firmware-linux-nonfree" > which contains the firmware to enable 3D acceleration for the ATI card > (Radeon X300), when the system starts and user logins, the system locks. > > 2. Symptoms > > The input devices are inoperative, the screen image is undistorted but > unresponsive, the eth0 connection breaks (ssh is unavailable.) The REISUB > keys are ineffective. The only recourse is to do a hard reset by holding > the power button. Lockup occurs any where within seconds to within minutes > of bootup. Lockup most often occurs when in the graphical desktop > environment; rarely when in a virtual terminal (ALT F1-F6).
I've experienced very similar symptoms on jessie ever since 3D acceleration via Glamor became possible with my Southern Island card (Bonaire XTX [Radeon R7 260X]) about six months ago, although not immediately after logging in but rather after several hours, and never when using the computer but when I leave it unattended. I *think* it's locked up once while switched to a text console, but otherwise only while the graphical console has been active. Whenever it happens, the system starts spewing out _something_ on the ethernet interface, making it impossible to connect to my server connected to the same switch/AP (the LEDs of both ports flash furiously), but I haven't been able to see anything with tcpdump. No clues can be found in any logs, except sometimes a few "eth0: link up" in the server syslog, and just one time the affected system managed to get off a message about a GPU fault via netconsole: Feb 8 01:49:59 johansson [108159.201208] radeon 0000:01:00.0: GPU fault detected: 146 0x08075014 Feb 8 01:49:59 johansson [108159.201215] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x0007B6C0 Feb 8 01:49:59 johansson [108159.201217] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x07050014 Once, a couple of weeks ago, I came back to the computer and found it unresponsive; the screen had gone black but not into sleep mode and I could still ssh in. chvt would just hang and when I tried restarting X (kdm), the system stopped responding completely as before. So it seems that the system might not lock up completely right away, but that it's a two-step process. Hope this is of any help at all. -- Magnus Holmgren holmg...@debian.org Debian Developer
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