panic when booting with a CD in the drive

[korli]

Booting anyboot on a USB disk, this is triggered when a CD (in this case an audio CD) is in the drive.

this is a dirty hrev53137 x86_64 build.

[korli]

panic cd_read

[korli]

This patch seems to help (can't reproduce after 5 reboots).

diff --git a/src/add-ons/kernel/drivers/disk/scsi/scsi_cd/scsi_cd.cpp b/src/add-ons/kernel/drivers/disk/scsi/scsi_cd/scsi_cd.cpp
index ccb707e78e..36270b8422 100644
--- a/src/add-ons/kernel/drivers/disk/scsi/scsi_cd/scsi_cd.cpp
+++ b/src/add-ons/kernel/drivers/disk/scsi/scsi_cd/scsi_cd.cpp
@@ -709,6 +709,8 @@ cd_uninit_device(void* _cookie)
 
        delete info->io_scheduler;
        delete info->dma_resource;
+       info->io_scheduler = NULL;
+       info->dma_resource = NULL;
 }
 
 
@@ -772,6 +774,9 @@ cd_read(void* cookie, off_t pos, void* buffer, size_t* _length)
        if (status != B_OK)
                return status;
 
+       if (handle->info->io_scheduler == NULL)
+               return B_DEV_NO_MEDIA;
+
        status = handle->info->io_scheduler->ScheduleRequest(&request);
        if (status != B_OK)
                return status;
@@ -800,6 +805,9 @@ cd_write(void* cookie, off_t pos, const void* buffer, size_t* _length)
        if (status != B_OK)
                return status;
 
+       if (handle->info->io_scheduler == NULL)
+               return B_DEV_NO_MEDIA;
+
        status = handle->info->io_scheduler->ScheduleRequest(&request);
        if (status != B_OK)
                return status;

[korli]

pushed as ​https://review.haiku-os.org/c/haiku/+/1486

[waddlesplash]

Merged in hrev53169.

[nielx]

Assign tickets with status=closed and resolution=fixed within the R1/beta2 development window to the R1/beta2 Milestone