[Bug 567805] Re: Lucid: system freezes under heavy network+disk - mainline kernel 2.6.34-rc5 works

[Daniel Dickinson]

Two corrections.  The freeze also occurs with the mainline kernel, and
is not related to system load on the network or disk.  It appears in
fact to be an error in the radeon drm module.

The following messages were filling the syslog and scrolling rapidly
when I switched to VT1.

pr 23 05:00:56 daniloth kernel: [13267.008713] [drm:radeon_cs_ioctl] *ERROR* Faild to sche
dule IB !
Apr 23 05:00:56 daniloth kernel: [13267.010063] [drm:radeon_ib_schedule] *ERROR* radeon: co
uldn't schedule IB(14).
Apr 23 05:00:56 daniloth kernel: [13267.010070] [drm:radeon_cs_ioctl] *ERROR* Faild to sche
dule IB !
Apr 23 05:00:56 daniloth kernel: [13267.023439] [drm:radeon_ib_schedule] *ERROR* radeon: co
uldn't schedule IB(15).
Apr 23 05:00:56 daniloth kernel: [13267.023448] [drm:radeon_cs_ioctl] *ERROR* Faild to sche
dule IB !
Apr 23 05:00:56 daniloth kernel: [13267.052651] [drm:radeon_ib_schedule] *ERROR* radeon: co
uldn't schedule IB(0)


** Tags removed: needs-upstream-testing

** Summary changed:

- Lucid: system freezes under heavy network+disk - mainline kernel 2.6.34-rc5 works
+ Lucid: system freezes randomly possibly due to bug on radeon drm module

-- 
Lucid: system freezes randomly possibly due to bug on radeon drm module
https://bugs.launchpad.net/bugs/567805
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