Teresa Noviello wrote: > ... > (at this time i do "rtnet stop") > > [353109.925669] Unable to handle kernel paging request at virtual address > 6b6b6b6b > [353109.926145] printing eip: > [353109.926336] e0855c31 > [353109.926338] *pde = 00000000 > [353109.926531] Oops: 0000 [#1] > [353109.926846] PREEMPT > [353109.927138] Modules linked in: tdma rtmac rtcfg rtcap rt_loopback > rt_eepro100 rtpacket rtipv4 rtnet rtai_rtdm rtai_sem rtai_lxrt rtai_up > rtai_hal ide_scsi > [353109.929170] CPU: 0 > [353109.929171] EIP: 0060:[<e0855c31>] Not tainted VLI > [353109.929198] EFLAGS: 00010246 (2.6.15-rtai) > [353109.929807] EIP is at tdma_detach+0x91/0x200 [tdma] > [353109.930029] eax: 6b6b6b6b ebx: 6b6b6b6b ecx: d445e910 edx: > c040e180
Ok, crash confirmed here (when I switch on CONFIG_DEBUG_SLAB in the kernel), but with slightly different location. Looks like some race during cleanup, a buffer is used after release. Digging deeper, patch should follow soon. Jan
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