OK, Found out what diff makes it crash ...
--- linux-2.6.24.orig/drivers/scsi/arcmsr/arcmsr_hba.c
+++ linux-2.6.24/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -1381,12 +1381,13 @@
case ARCMSR_MESSAGE_READ_RQBUFFER: {
unsigned long *ver_addr;
- dma_addr_t buf_handle;
uint8_t *pQbuffer, *ptmpQbuffer;
int32_t allxfer_len = 0;
+ void *tmp;
- ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle);
- if (!ver_addr) {
+ tmp = kmalloc(1032, GFP_KERNEL|GFP_DMA);
+ ver_addr = (unsigned long *)tmp;
+ if (!tmp) {
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
@@ -1422,18 +1423,19 @@
memcpy(pcmdmessagefld->messagedatabuffer, (uint8_t *)ver_addr,
allxfer_len);
pcmdmessagefld->cmdmessage.Length = allxfer_len;
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
- pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle);
+ kfree(tmp);
}
break;
case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
unsigned long *ver_addr;
- dma_addr_t buf_handle;
int32_t my_empty_len, user_len, wqbuf_firstindex,
wqbuf_lastindex;
uint8_t *pQbuffer, *ptmpuserbuffer;
+ void *tmp;
- ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle);
- if (!ver_addr) {
+ tmp = kmalloc(1032, GFP_KERNEL|GFP_DMA);
+ ver_addr = (unsigned long *)tmp;
+ if (!tmp) {
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
@@ -1483,7 +1485,7 @@
retvalue = ARCMSR_MESSAGE_FAIL;
}
}
- pci_free_consistent(acb->pdev, 1032, ver_addr,
buf_handle);
+ kfree(tmp);
}
break;
--
BUG: scheduling while atomic: archhttp64/7146/0x1000000001
https://bugs.launchpad.net/bugs/235889
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