Bug#442235: xserver-xorg-video-intel: After execution of mu-cade xorg server died and refuse to start until reboot
Marco Nenciarini wrote:
> After executing mu-cade (entered today in sid) my X server died, then
> X server refuse to start (sometime locking the video hardware) until
> next reboot.
>
Sorry for the delay, your report seems to have been caught by some
filter on the list.
Can you reproduce the problem easily?
> Error in I830WaitLpRing(), timeout for 2 seconds
> pgetbl_ctl: 0x7ff80001 pgetbl_err: 0x800000
> ipeir: 0 iphdr: 0
> LP ring tail: 1ffe8 head: 0 len: 1f001 start 0
> Err ID (eir): 0 Err Status (esr): 11 Err Mask (emr): ffffffdf
> instdone: ffe5fafd instdone_1: fffff
> instpm: 0
> memmode: 0 instps: 8001e020
> HW Status mask (hwstam): fff8dffe
> IRQ enable (ier): 82 imr: fff80000 iir: 20
> acthd: 10000000 dma_fadd_p: 10000100
> ecoskpd: 307 excc: 0
> cache_mode: 6800/180
> mi_arb_state: 44
> IA_VERTICES_COUNT_QW 0/0
> IA_PRIMITIVES_COUNT_QW 0/0
> VS_INVOCATION_COUNT_QW 0/0
> GS_INVOCATION_COUNT_QW 0/0
> GS_PRIMITIVES_COUNT_QW 0/0
> CL_INVOCATION_COUNT_QW 0/0
> CL_PRIMITIVES_COUNT_QW 1/0
> PS_INVOCATION_COUNT_QW 2a/0
> PS_DEPTH_COUNT_QW 19e01e/0
> WIZ_CTL 0
> TS_CTL 0 TS_DEBUG_DATA aa9bfefe
> TD_CTL 0 / 0
> space: 16 wanted 32
> (II) intel(0): [drm] removed 1 reserved context for kernel
> (II) intel(0): [drm] unmapping 8192 bytes of SAREA 0xf8dd7000 at 0xb7b43000
>
> Fatal server error:
> lockup
>
That's a GPU lockup and it's very hard to debug unfortunately. We have
several reports like this, without any idea whether they are actually
similar in the beginning. So if you have a reproducible way to make the
lockup occur, that would help.
Brice
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